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FORESTER'S YIELD CURVE DESIGNER v1.0 USER'S GUIDE

1. Field Type Length Columns 1 site type integer 3 1 3 2 description character 10 4 13 Example lines from sitetype des 1 Good 2 Medium 3 Poor 1 4 7 Management Unit description file mgmtunit des This format is column specific Field Type Length Columns 1 management unit integer 3 1 3 2 description character 44 4 47 Example lines from mgmtunit des 1 Management Unit A 40 2 Management Unit B 3 Management Unit C Appendix 1 5 Woodstock Files The Woodstock Forest Modeling System Remsoft Inc 1996 was designed to model many aspects of forest dynamics and management Woodstock is very flexible and description of its structure and input files is beyond the scope of this report In brief there can be up to 15 sections of input data that contain information needed to run the program One input file must be designated as primary The forest yield information of interest for FYCD is stored in the YIELDS section The LANDSCAPE section can also be used by FYCD and contains a description of themes that can be used to define various forest characteristics such as forest type site quality or ecoregion These may be in the primary file or in separate data files that are referenced in the primary file FYCD will read information from the YIELDS and LANDSCAPE sections whether they exist in the primary file or in separate files 1 5 1 YIELDS section The beginning of the YIELDS section is denoted by the YIELDS keywor
2. 34 Section 5 FYCD Reference 98 Aggregation Type Selects the method for building a curve A mean aggregation creates an average curve from the selected curves by calculating the average y value at each age point A sum aggregation builds a composite curve by summing the y values for all selected curves at each age point This is especially useful when building a mixed species curve from several pure species component curves A linear regression fits a straight line through the data from the smallest age to the largest age A guaaratic regression fits a curve of y a bx CX through the selected data A cubic regression fits a curve of y 2 a bx ox dx through the selected data A logarithmic regression fits a curve of y a b log ox through the selected data 99 Age Points to Aggregate Select either an age interval or specific ages for the x values of your aggregate curve 100 Interval ages Choosing interval allows you to specify a uniform age interval at which the volume calculation is performed FYCD allows selection of a 1 year 5 year 10 year or a custom age interval To select an interval click on the button next to it If you choose to create a custom interval also enter an interval value in the text box For example if you enter 3 in this text box y values will be calculated at ages 3 6 9 12 etc 101 Specific ages Choosing this option allows input of specific ages at which the volume
3. File Viewer From the file box choose the curveset file to which the two curves built in Exercise 4 1 were saved The scroll bars on the file viewer can be used to examine the comments that were saved for these two curves Click on each of these curves to select them The selected curves are preceded by 22 A curve can be unselected by clicking on it again Once the two curves are selected press Continue Now these two curves can be compared to the curve built from the PSP data Now let s examine the comments saved for the protected and unprotected curves Select the data set name for these curves in the Data Sets legend Click on the Indiv Curve Info button to enter individual curve info mode This mode provides more Section 4 Tutorial information about the curves within a data set by color coding them and graying out the curves in all other data sets The curveset number curveset name and volume component are displayed for each curve in the Curve Set Info box Each curve is now individually colored The check marks to the right of each curve name indicate that comments exist for those curves Select one of the curves in the Curve Set Info box and click the comment button to view the comment Click the Indiv Curve Info button again to exit this mode Exercise 4 3 Import yield curve information formatted for the FORMAN 1 forest simulation model and sample plot data FORMAN 1 Wang et al 1986 Vanguard Forest Manageme
4. 45 Appendix 3 Glossary the aggregate curve is the sum of all y values of all selected curve segments at that age treatment unit TU a classification of site productivity used in N B based on soil type and vegetation volume tree volume per tree m volume tree volume per hectare m ha volume category the four main FORMAN 1 volume categories are Primary volume the aggregate merchantable yield upon which harvesting is controlled when using volume based management strategies Primary product volume a subset of the primary volume that will be available in a specific product form Secondary volume the non primary aggregate merchantable yield in the stand that could be harvested in the course of harvesting primary volume It does not contribute to the achievement of volume based harvest targets Secondary product volume a subset of the secondary volume that will be available in a specific product form volume component a term used with the FORMAN 1 model to identify a species product combination to which an_ individual curve applies Woodstock a forest modeling program Remsoft Inc 1996
5. s Yield Curve Designer 5 1 Description of functions and terms Note Numbers provide cross reference to the items in Figures see Table 1 for an alphabetical reference listing talicized words are defined in Appendix 3 the glossary 1 Menu bar Includes the menus which contain the FYCD commands File menu Open Open a file of one of the following types and display its contents as curve segments or data points Model Output files PSP files FDS files FORMAN 1 curveset files and Woodstock files The source file is closed immediately after the curves are displayed Therefore modifications made to the curves in FYCD have no effect on the disk file where the data is stored Save Save a selected curve to a file in either FORMAN 1 format Woodstock format or a generic format Performs the same function as the Save buttons 3 4 and 5 on the button bar Print Print the current graph to the default windows printer All curves on the display are printed Performs the same function as the Print button 6 on the button bar Exit Exits the FYCD program Edit menu Build Curve Builds an aggregate curve when one or more curves or data points are selected Selected data can be aggregated by one of six different methods mean aggregation sum aggregation linear regression quadratic regression cubic regression and logarithmic regression See Figure 15 In all cases the calculated points are connected with straight lin
6. Curve Info legend Click on the Comment button in the Curve Info box and the equation is displayed if the curve is saved to a FORMAN 1 file the equation will be saved as a comment in the file The r value is the coefficient of determination which describes how closely the curve fits the data The r represents the proportion of variability in the data explained by the regression equation the closer the value is to 1 the better the fit 4 5 4 Experiment with building curves using the linear quadratic and logarithmic Aggregation Types Exercise 4 6 Procedures for accessing displaying editing and saving curve information used in the Woodstock model Woodstock Remsoft Inc 1996 is another forest planning model used extensively in eastern Canada This exercise will demonstrate how to open several curves from a Woodstock file and save one of these curves to either a Woodstock or a FORMAN 1 curveset file Forester s Yield Curve Designer 4 6 1 Select File Open Woodstock from the menu select the model pri file and click OK 4 6 2 In the Development Type Selection box select the development type set1 and press Continue 4 6 3 In the Yield Components Selection box select the first five yield components BFFIB BFLOG SPFIB SPLOG and WBFIB by holding down the Ctrl key while clicking on each name and then press Continue A set of curves one for each selected component appears that represents balsam fir spruce an
7. all FYCD screens pp 15 28 Table 2 presents a list of all user interface windows and menus to assist in locating the desired screenshot This is intended to be an easily accessible hardcopy source of information Scan through the indexes or screenshots for items that you are interested in Using the description numbers labeling the screen components look up the description in Section 5 1 the Description of functions and terms All screenshots were taken from a computer running Windows 95 If you are running Windows 3 x your screens will differ only in the look of the bar at the top of each window The content and operation of FYCD is exactly the same in Windows 3 x and Windows 95 Forester s Yield Curve Designer Section 5 FYCD Reference Table 1 Alphabetical listing of functions and terms Items are numerically cross referenced to both Section 5 1 the Description of functions and terms and to the screenshot Figures Description Figure Function or term Number Page Number Page age interval 100 34 15 25 breakup age 89 34 13 24 breakup curve ID 87 33 13 24 build curve 9 26 29 30 2 3 15 16 cancel changes button 12 30 2 15 change colors 15 30 30 31 2 3 15 16 check mark 50 31 5 18 clear all data 16 26 30 2 3 15 16 clear curve button 47 31 5 18 clear data set 17 30 2 15 colors 15 30 30 31 2 3 15 16 comment 92 34 13 24 comment button 48 31 5 18 configuration 30 31 3 16 cubic regression 98 34 15 25 curve selectio
8. build curve dialog box 15 25 Options set scale and grid dialog box 16 25 Options set configuration 17 26 Options change colors 18 26 Options set configuration species composition 19 27 Options set configuration site region 20 27 Options set configuration treatment unit 21 28 14 Forester s Yield Curve Designer O GX4XsXeX TK 8X9 INNI Forester s Yield Curve Designer vo Section 5 FYCD Reference Figure 2 Main window of FYCD 15 Forester s Yield Curve Designer Section 5 FYCD Reference Model Output FORMAN 1 Figure 3 All menus and the Open Save dialog box 16 ap SD Forester s Yield Curve Designer fale Eit Data Sets HM STABLE2 FIR BIB STABLE3 FIR 3 freehand Options Clr All ki b S S E Clear Indiv Curve Info Rename 2 Forester s Yield Curve Designer Help Section 5 FYCD Reference a AS BAS HM Ea E 250 200 150 100 Point Control gt X Value Y Value Plot Point 50 Draw Mode Click with left mouse button on graph area to draw freehand curve a Ei Wy Figure 4 Main window displaying draw mode 17 Forester s Yield Curve Designer Section 5 FYCD Reference 1BFSPAA IH PLP 1BFSPAA SPRPLP EN 1BFSPAA SPRSTD 50 1BFSPAA SPRLOG 1BFSPAA SPROSZ 1BFSPAA FIRPLP 1BFSPAA FIRSTD 1BFSP
9. each value must be in the proper columns in the file while others must have delimited fields A field with for length means that the value can be any length Appendix 1 1 Input data from stand growth models 1 1 1 Stable model Fields can be delimited by spaces tabs or commas Field Type Length 1 species character 6 2 age integer d 3 vol ha or vol tree real uj 4 License integer 5 stand integer Example lines in a STABLE output file fir 22 17 1 108 fir 30 14 1 108 fir 25 25 1 113 fir 33 28 1 113 1 1 2 STAMAN model Fields can be delimited by spaces tabs or commas Appendix I Data Formats Field Type Length 1 age integer ii 2 vol ha or stems ha real Example lines from a STAMAN output file 33 26 38 45 43 57 48 79 1 1 3 GROW model Fields can be delimited by spaces tabs or commas Field Type Length 1 age integer i 2 vol ha or vol tree real Example lines from a GROW output file 11 9 12 13 14 4 NNk 7 1 1 4 Generic format The generic format can be used for any other data you have simply format it as described for input to FYCD This format is column specific Field Type Length Columns 1 age integer 3 1 3 2 volume integer 3 5 7 3 identifier character 15 9 23 Example of the above STABLE sample file in generic format 22 Wd Eir 1 108 30 14 fir 1 108 x0 25 EIE T T13 33 28 fir 1 113 In the above example all of fir 1 108 is the curve iden
10. even then the new record is added to an existing file Forester s Yield Curve Designer leaving the original data unchanged Saving to a filename that does not exist creates a new file ARLES IMA 1748 19 20 Drop down menu bar Data Sets legend Save curve Save as FORMAN 1 curve Print graph Zoom in or out Draw freehand Build a curve Edit curves Keep changes 0006060060600608 Cancel changes o600000000 Section 2 Overview of FYCD Select all curves De select all curves Change colors Clear all data sets Clear the selected data set View individual curve information Rename data set Y axis label Message bar Sample curve segments Figure 1 FYCD window with identification of user interface components Forester s Yield Curve Designer 3 Obtaining and Installing the Software If you have Internet access the FYCD software can be obtained from the World Wide Web WWW or by FTP On the World Wide Web direct your browser to the Canadian Forest Service Atlantic Forestry Centre home page at http www fcmr forestry ca and follow the link to the FYCD software For FTP you can either direct your browser to ftp mfrc5 fcmr forestry ca FYCD or you can use anonymous FTP to retrieve the software With your ftp client connect to mfrc5 fcmr forestry ca and enter anonymous as your log in name Enter your email address when asked for a password change to the d
11. from the menu or press the save as Woodstock button E3 In the 11 Section 5 FYCD Reference Save as box type in the name of a file to save the curve to e g sample pri then press Continue On the Save to Woodstock File form enter a development type seti a yield component SPLOG and make sure the period length is 5 Press Continue to save the curve 4 6 8 If you want to save the SPLOG curve to a FORMAN 1 curveset file the procedure is as in step 4 1 7 The above tutorial describes the major functionality of FYCD and was designed to get users started using the tool From here hopefully you will experiment with FYCD and try out other capabilities of the software Some of the other capabilities to look for are zooming changing data set colors opening FORMAN 1 files by query and customizing PSP and FORMAN 1 options Also in addition to volume per hectare data FYCD supports volume per tree and stems per hectare as data types These can be selected through the Options Data Type menu item Some sample data files for these other data types have been included with FYCD See Appendix 2 for a description of all sample data files included with FYCD 5 FYCD Reference This section contains detailed reference information for FYCD Table 1 presents an index of terms and functions cross referenced to both a description of functions Section 5 1 p 29 and to Figures with screenshots of the visual components on
12. in the development of volume ha versus age yield curves used in forest management planning and timber supply analysis and 2 to allow field foresters to access use and help validate the complex yield curve data sets used in management plans FYCD therefore is aimed at two very different types of users management planners who are constructing the yield curve databases and field foresters who want to use the management plan or plot information in making decisions Developing volume ha yield curves to be used in management planning is a complex time consuming task FYCD helps with this activity by facilitating the import and display of results from stand growth model runs and the comparison of potential volume ha curves with permanent sample plot PSP data for validation It also allows the user to build aggregate curves e g to build multi species curves from single species data and to create new curves by drawing adjusting and combining curves Underpinning virtually every decision in forest management is a forecast of the development of stands under alternative management options These forecasts are currently embodied in management plans as complex timber supply model data sets known as class files and yield curve sets that describe all the different types of forest and their expected development under management alternatives Every forest stand on Crown or large freehold land in New Brunswick is currently
13. which the trees are remeasured periodically in order to determine stand structure productivity and other variables at specific points in time These plots may be used to construct or validate invalidate stand growth projections made with stand models quadratic regression a quadratic regression fits a curve of the equation y a bx cx through a set of points then calculates values for that equation at each specified age The r value and equation of the regression are stored as a label in FYCD and can be viewed by selecting the regression curve in the Data Sets legend and then pressing the Indiv Curve Info button selection color the color used by FYCD to highlight curve segments that are selected site region a classification of geographic area in N B used in deriving site productivity site type used in FORMAN 1 forest class files to associate a forest class with the site on which it resides Defines site productivity species composition a classification based on the most abundant tree species occurring in a forest stand species grouping component of the volume category that has three possible values primary secondary or other This term is not standard FORMAN 1 terminology but is introduced in FYCD to clarify the explanation of the FORMAN 1 volume category stems ha number of trees per hectare sum aggregate a type of curve that is built with the build curve function Each resulting point in
14. 7 2HWSFLIV137 2HUSFLIV137 2HWSFLIV137 2HWSFLIV137 2HWSFLIS 3HUSFLMV137 3HUSFLMV137 3HWSFLMV137 3HWSFLMV137 3HWSFLMV137 3HWSFLMV137 3HUSFLMV137 50140EC PLP100 50140EC LOG100 50140IH PLP100 501405PRPLP100 50140SPRSTD100 501405PRL0G100 501405PRO052100 50140FIRPLP100 50140FIRSTD100 50140FIRLOG100 50140FIROSZ100 M3 TR 100 40130TH PLP100 40130IH PLP100 401305PRPLP100 40130SPRSTD100 401305PRL0G100 40130SPROSZ100 40130FIRPLP100 40130FIRSTD100 40130FIRLOG100 M3 TR 100 45130EC PLP100 45130EC LOG100 45130WP PLP100 45130WP LOG100 45130TH PLP100 45130IH PLP100 451305PRPLP100 Number of curves selected 0 000000DOKLK0OODOODOOOODOKO000000000e OD ooOoOoOoOotrOoOoOoOoOoOo OO Or OoOOo OO OO OO On o co a m S aomH ooooooo cOoooc coooooo 30 30 30 30 30 30 30 30 30 30 30 30 wow oo H T oH n bob ob ob ob ub ub ub 000600060606 H now boob ob ob ob ob ob ob ub ob ob ob ub OOOOOOOOOOO OO Gaata DA AJ GPA WO OO OO ta WW EECHER 000006 m L OO OO OW O DOG to ta kan NH a T oO OO ann Ota Section 5 FYCD Reference N Figure 8 File Open FORMAN 1 file viewer 20 Forester s Yield Curve Designer Section 5 FYCD Reference Balsam hardwood all crown closure all dev stages Balsam hardwood clear cut Balsam hardwood patchy Balsam spruce all crown closure all BFSPCC Balsam spruce clear cut BFSPPC Balsam fir and spruce patchy HWSFCC Hardwood and spruc
15. 9 30 2 15 save 3 4 5 29 2 3 15 16 save as FORMAN 1 4 27 29 30 2 3 15 16 scale and grid 30 104 31 34 3 16 select all 13 26 30 2 3 15 16 selection color 125 35 18 26 site region 117 35 20 27 site type 63 32 9 21 species composition 116 35 19 27 species grouping 67 32 9 21 stems ha 31 31 3 16 sum aggregation 98 34 15 25 themes 72 33 10 22 total no of curves 46 31 5 18 treatment unit 118 35 21 28 volume 31 31 3 16 volume category 67 32 9 21 volume component 68 33 9 21 volume tree 31 31 3 16 Woodstock 1 5 29 10 22 X axis tick interval 107 35 16 25 X value 43 31 4 17 Y axis tick interval 108 35 16 25 Y value 43 31 4 17 Y axis label 109 35 16 25 Y factor 91 34 13 24 yield component 74 95 33 34 10 22 zoom 7 29 2 15 13 Forester s Yield Curve Designer Section 5 FYCD Reference Table 2 FYCD user interface screenshots included in this report User interface item Figure no Page no Main window of FYCD 2 15 All menus and the Open Save dialog box 3 16 Main window displaying draw mode 4 17 Main window displaying individual curve information 5 18 File Open PSP options dialog box 6 19 File Open FORMAN 1 Query dialog box 7 19 File Open FORMAN 1 file viewer 8 20 Opening FORMAN 1 files by class definition 9 21 File Open Woodstock files dialog boxes 10 22 Woodstock landscape section form 11 23 File Print graph dialog box 12 23 File Save FORMAN 1 dialog box 13 24 File Save Woodstock dialog box 14 24 Edit
16. AA FIRLOG 1BFSPAA FIROSZ 2HWSFLI IH PLP ZS Forester s Yield Curve Designer File Edit Options Help B C Options Hel E Data Sets EHHE BIZISI C 1x ss 25 2 5 Pi VUA i v imal FORSAMPL CRY 50 6 rz Total no of curves 13 E Clear Comment 40 Yield m3 ha Clear Clr All Indiv Curve Info 30 Rename AN E 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Age Figure 5 Main window displaying individual curve information 18 Forester s Yield Curve Designer Open PSP Options Section 5 FYCD Reference Restigouche Click on items in the Options boxes to select them and click on items in the Selected boxes to de select them Click on ALL to select all items ee 55 Figure 6 File Open PSP options dialog box Open FORMAN 1 by Query 105BFHWAA 137BFHWCC 35BFHWAA 70BFHWAA 154BFHWCC 3 Click items in Options boxes to select click items in the Selected boxes to de select kim ger 85 Figure 7 File Open FORMAN 1 Query dialog box 19 Forester s Yield Curve Designer nr K 90 x SN IPS CRY 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAV137 1BFSPAAS 2HWSFLIV137 2HWSFLIV137 2HWSFLIV137 ZHUSFLIV137 2HWSFLIV13
17. CD to open FORMAN 1 files by the Class Definition method FORMAN 41 standard files crv the curveset file cls forest class file 41 Appendix 1 Data Formats cmp Curve composition file Additional files required by FYCD forestcl des forest class description file volcomp des volume component description file sitetype des Site type description file mgmtunit des management unit description file The FORMAN 1 standard files must be valid In other words they must be usable as input to a FORMAN 1 run The various FORMAN 1 data files contain interrelated data Therefore the crv cls and cmp files must be used together as a set FYCD also requires additional description files listed above All files must exist in the locations specified in the FYCD Options Configuration menu Forester s Yield Curve Designer Appendix 2 Sample Data Files The following data files are included with FYCD See Appendix 1 for a description of the file formats used by these sample files growl Each file contains output from the GROW model consisting of volume ha by age predictions one yield curve for a single species The species is identified by the filename extension shown here as an asterisk growltr Each file contains output from the GROW model consisting of volume tree by age predictions one curve for a single species The species is identified by the filename extension shown here as an asterisk stab
18. EXGD Befererce e A EE 11 5 1 Description of functions and termS sesenta 29 6 Literature Cited sia asi end UR e p per RU ae ed Mae dirt Einb ce doe EE 36 Appendix T Data Forrmiats e te pp He eter anie em elu e DR E 38 Appendix 1 1 Input data from stand growth models en 38 1418 STABLE model ET p acd EHE MEE RT Hecate 38 14122 STAMAN ue E EE 38 113 GROW model 2t tities Aes Ai ate ie e E ed tt ed e Edi des 38 ES Ee OPM at ME 38 Appendix 1 2 PSP dat sii eite yb o e tee f ei roter diede 39 Appendix 1 3 Forest Development Survey inventory data esssseeeeeenes 39 Appendix 1 4 FORMAN 1 les 39 1 4 1 FORMAN 1 Curveset le 39 1 4 2 FORMAN 1 Forest Class file enne nennen 39 1 4 8 FORMAN 1 Curve Composition le 39 1 4 4 Forest Class description file forestcl des sssssssssseeeeenes 39 1 4 5 Volume Component description file volcomp des 40 1 4 6 Site Type description file eiteivpe des 40 1 4 7 Management Unit description file mgmtunn des 40 Appendix 1 5 Woodstock files AA 40 AS AVI DS Sections mare Re ET 40 Appendix 1 6 Using customized input les 41 Appendix 1 7 Using FORMAN 1 les 41 Appendix 2 Sample Data Flasi intente rne Ee RR ei dea iia 42 Appendix 3 GlOSSaly e coo eti tq ee EE 44 Forester s Yield Curve Designer 1 Introduction The Forester s Yield Curve Designer FYCD software was designed to address two separate uses 1 to assist
19. FORESTER S YIELD CURVE DESIGNER v1 0 USER S GUIDE David A MacLean Kevin B Porter and Jeff Kerr Information Report M X XXXX This project was supported by funding from the Canadian Forest Service Fundy Model Forest and the Canada Green Plan Partners in Sustainable Development program with cost sharing by the Integrated Forest Pest Management and Decision Support Systems initiatives Material in this publication has been reviewed by the Canadian Forest Service Atlantic Forestry Centre and approved for distribution Approval does not necessarily signify that the contents reflect the views and policies of the Canadian Forest Service Canadian Forest Service Atlantic Forestry Centre P O Box 4000 Fredericton N B E3B 5P7 1997 Forester s Yield Curve Designer Abstract The Forester s Yield Curve Designer FYCD software is aimed at helping forest management planners and field foresters in the development and validation of wood volume yield curves It uses a mouse driven graphical user interface GUI that facilitates the import and display of results from stand growth models the comparison of potential curves with permanent sample plot data and the creation of new curves by drawing adjusting and combining curves In addition to generic input and output formats it contains specific support for yield data used by the FORMAN 1 and Woodstock forest simulation models several growth models and the province of
20. File menu then click Open then Model Output then STAMAN From the file box choose stamrep 1bf Repeat this process for stamrep 2bf stamrep 3bf stamrepl 1bf stamrepl 2bf and stamrepl 3bf You should see six curve segments Note the reduced volumes in the unprotected simulation stamrep of each pair 4 1 2 Select the three protected curves stamrep1 by placing the tip of the cursor arrow on each curve and then clicking the left mouse button Each curve will turn red when selected 4 1 3 Press the build curve button on the button bar In the Build Curve dialog box select Aggregation Type Mean and Age Points to Aggregate 5 Year Press Continue This will build an average protected curve from all selected curves and display it on the graph This aggregate curve was calculated by taking the average volume for each selected curve at 5 year intervals 4 1 4 Click on the de select all button on the button bar Repeat steps 4 1 2 and 4 1 3 to build an aggregate curve for the three Section 4 Tutorial defoliated curves stamrep 4 1 5 In the Data Sets legend successively select each original data file e g stamrep 1bf and press the Clear button until only the two aggregate protected and unprotected curves remain 4 1 6 In the Data Sets legend click on the name of the protected aggregate curve aggregate and press the Rename button Rename it to protected Repeat the process for the unprotected curve na
21. New Brunswick permanent sample plot and forest development survey FDS data FYCD is designed to improve forest management decision making by providing a means to directly use the knowledge and experience of field foresters in improving yield forecasts FYCD also increases the usability of valuable data from permanent and temporary sample plots by creating tools to access it This software addresses the problem of closing the loop in the forest management planning process that is of getting the management plan volume yield curve information out to field foresters for validation against available data and experience and facilitating feedback from the forester to the planner This report provides an overview of the primary functionality of FYCD describes data formats used and includes visual and indexed reference guides to all functions An easy to follow tutorial guides the user through much of the software functionality using six exercises that reflect typical user scenarios Sample data files are included with the software Forester s Yield Curve Designer Table of Contents 1 Iritroduction EN 4 2 Overview of FYC RRE 5 2 1 How FYCD works with data 5 3 Obtaining and Installing the Software eens eeeeaeeeeeeeseeeecaeeeeaaeseeaaeseeeeesaeeeseaeseeaaeeaaeseeeseeneess 7 Sele MMS Ee EE 7 4 Tutorial EE 7 Cer EE 8 Eeer 42 d eege d er E T Delen abe eege dE dee DEn 8 Ie E 9 SE EE 10 EREE a E d Ed 10 Exercise EE 10 5 R
22. bar select Run then type in the path to the FYCD setup exe file in the box provided e g c temp setup ex 4 The setup program first prompts for the directory of the FYCD source files By default it is the A drive Change this to the directory in which the setup files exist 5 Follow the rest of the instructions displayed by the setup program You can then delete ycd v1l exe if desired To extract the document file follow steps 1 and 2 above using fycd doc exe The file is a Microsoft Word document This will install all program and sample data files for FYCD into a directory called CAFYCD You may install FYCD to a directory other than C FYCD but if so you will have to change the paths to the FORMAN 1 files by means of the Options Configuration menu item All user definable configuration information is stored in a file called FYCD CFG If this file is lost there is a backup copy on the installation diskette that you can copy to the FYCD directory We welcome and encourage your comments on our software and are especially interested in ideas for making FYCD a more useful tool for foresters and management planners Please contact Kevin Porter address same as on title page email kporter fcmr forestry ca 4 Tutorial This tutorial is divided into six exercises that demonstrate different functionality of FYCD Use the FYCD Reference Section 5 and on line help as needed for explanation of the options you
23. calculation is performed These age values can be non uniform For example if 25 42 and 60 are entered in the input text box 102 and y values will be calculated only at those ages 102 Input text box Ages are added to the selected list 103 by typing an age in this text box and pressing the enter key 103 Selected list This list box contains the selected interval ages 100 To remove an age from the selected list click on it 104 Scale and Grid Control form Use this form to change the scale of and add a grid to a graph 105 Maximum X Value Specify the maximum value for the x axis either by typing the desired value in the box or by adjusting the value by clicking on the up and down arrows to the right of the box The default value is 120 Forester s Yield Curve Designer 106 Maximum Y Value Specify the maximum value for the y axis either by typing the desired value in the box or by adjusting the value by clicking on the up and down arrows to the right of the box The default value is 250 107 X Axis Tick Interval Specify the interval at which each tick mark is placed on the x axis either by typing the desired value in the box or by adjusting the value by clicking on the up and down arrows to the right of the box The default value is 10 108 Y Axis Tick Interval Specify the interval at which each tick mark is placed on the y axis either by typing the desired value in the box or by adjusting the value by cl
24. cription list box 137 137 Treatment Unit Description list box This box contains all treatment unit descriptions that have been previously entered To remove a treatment unit click on either its description in this list box or its TU code in the TU Code list box 136 6 Literature Cited MacLean D A and Erdle T A 1986 Development of relationships between spruce budworm defoliation and forest stand increment in New Brunswick n D S Solomon and T B Brann Eds Environmental Influences on Tree and Stand Increment Proc Conf September 23 27 1985 Durham N H Maine Agric Exp Sta Univ ME Misc Publ 691 pp 106 115 Remsoft Inc 1996 Woodstock Forest Modeling System Version 1 1 user s guide Remsoft Inc Fredericton NB 125p Steinman J R and MacLean D A 1994 Predicting effects of defoliation on spruce fir stand development a management oriented growth and yield model Forest Ecol Manage 69 283 298 Steinman J R Gauvin J Hunt T and Tardif R 1993 Documentation on the Growth Phase Model Edmundston Applied Forest Technology Group Universit de Moncton Edmundston NB Vanguard Forest Management Services Ltd 1991 FORMAN 1 forest development simulation model for even aged management User Manual Version 1 0 Vanguard Forest Management Services Ltd Fredericton NB Vanguard Forest Management Services Ltd 1993 STAMAN stand growth model and Calibration of STAMAN model for de
25. ctive see Figure 5 19 Rename button Allows you to rename a data set in the Data Sets legend This helps to distinguish between data sets with the same name i e from the same file in the legend It has no effect on the file names on disk 20 Y axis label Identifies the type and units of information being displayed volume ha volume tree or stems ha This label can be changed 109 21 Message Bar Displays helpful messages when in draw mode edit mode or zoom mode 22 Curve segments that form a data set In this Figure 4 the data were read in from a file called STABLE3 FIR therefore the data set is named STABLES FIR in the legend 23 File menu Menu used to open files save curves print the graph or exit the program 24 File Open menu FYCD can open Model output files PSP data FORMAN 1 curveset files FDS data and Woodstock data 25 File Open Model Output menu FYCD can open four different kinds of Model output data generic data GROW data STABLE data and STAMAN data 26 Edit menu From this menu you can build curves select or de select all curves on the screen or clear all data from FYCD 27 File Open FORMAN 1 menu This menu item allows selection of the method for opening a FORMAN 1 curveset file Opening a FORMAN 1 curveset file by the Query method allows selection of specific curveset number curveset name combinations and volume components Opening by the file viewer method allow
26. curveset which should describe the stand condition to which it relates All curves within a set must have the same curveset name See the FORMAN 1 User Manual for more information 86 Curve Type character 1 The type of curve being defined Valid type codes are V volume the default S volume per tree C cost U user specified curve 87 Breakup Curve ID integer 3 The number of the curveset along which classes on the existing curveset are expected to develop if they break up and regenerate naturally See the FORMAN 1 User Manual for more information 88 Entry Age integer 3 The age at which classes will enter their new curveset upon natural breakup Due to advanced regeneration and development in the understory of a deteriorating stand entry ages greater than zero for the new stand condition may be appropriate in some Forester s Yield Curve Designer cases The default value is zero See the FORMAN 1 User Manual for more information 89 Breakup Age integer 3 The age after which classes will shift from their present curve to the breakup curveset as a result of natural stand breakup The default is 200 years See the FORMAN 1 User Manual for more information 90 Volume Component character 6 The name of the species product combination to which the curve data apply See the FORMAN 1 User Manual for more information 91 Y Factor integer 3 The factor used to scale the Y values for that curve eithe
27. d unless the YIELDS section is in an external file in which case there may be no section header Woodstock supports three different types of yield data age dependent time dependent and complex combinations of the other two types FYCD only supports age dependent yield sets Other yield sets will be ignored if present in the data file Also FYCD will ignore scale factors if found in the yield set information In the following format description mask represents a curveset name e g all curves in a forest class yield component defines species product groups period specifies the time in periods e g a period of 4 with a period length of 5 years would start the curve at 20 years when the curve starts and volume specifies volume ha in each successive period Y maskl optional comment yield componentl period volumel volumen yield component2 period volumel volumen yield componentn period volumel volumen Y mask optional comment yield componentl period volumel volumen yield componentn period volumel volumen Y maskn Example lines from a Woodstock YIELDS section Y setl Forester s Yield Curve Designer BFFIB 4 6 7 8 9 10 10 11 11 11 11 10 99 87 BFLOG 4 6 8 10 11 13 14 14 14 14 14 13 12 10 Y set2 this set resembles set4 BFFIB 82334455678 9101010999 BFLOG 8234566778 7776654 XBEIB 4 1 Xz Zz23 42325 5 66 6 6 6 2 Appendix 1 6 Using customized input files You can use your own customized inpu
28. d white birch fiber and logs 4 6 4 Now five curves from the Woodstock file are displayed Only one curve can be saved at a time so let s clear all except one curve from the data set From the Data Sets legend select model pri then press the Indiv Curve Info button The Curve Set Info box displays the development type and yield component of each curve on the graph Select all except the SPLOG curve in the Curve Set Info box by holding down the Ctrl key while clicking on each curve name and press the Clear button Only the SPLOG curve remains Press the Indiv Curve Info button in the Data Sets legend to close the Curve Set Info box 4 6 5 Now display some validation plot data showing merchantable spruce log volumes select File Open FDS from the menu select the splogs fds file and click OK A scatter graph of plot data appears 4 6 6 Now adjust the SPLOG curve based on the plot data using edit mode as in step 4 2 3 4 6 7 To save the curve to a Woodstock file we must first ensure that the age of each vertex is an increment of the period length For example if the period length is 5 years the data might begin at age 20 and continue for ages 25 30 35 and 40 To ensure that this is the case build a 5 year interval mean curve through the curve to be saved as in step 4 1 3 above Now well save this aggregate curve Select the aggregate curve in the Data Sets Legend then select File Save Woodstock
29. data volume ha by age from all plots with FUNA BFSP allspbf psp N B Co operative PSP data volume ha by age from all plots with FUNA SPBP forsampl crv sample FORMAN 1 curveset file forsampl cls sample FORMAN 1 forest class file forsampl cmp sample FORMAN 1 curve composition file forestcl des forest class description file for forsampl files Forester s Yield Curve Designer sitetype des site type description file for forsampl files mgmtunit des management unit description file for forsamp1 files volcomp des volume component description file for forsamp1 manual files manual files files manual crv FORMAN 1 curveset file from the FORMAN 1 demo disk manual cls FORMAN 1 forest class file from the FORMAN 1 demo disk manual emp FORMAN 1 curve composition file from the FORMAN 1 demo disk manfcl des forest class description file for mansite des site type description file for manmgmt des management unit description file f Or manual files manvolc des volume component description file for manual files model pri sample Woodstock primary file 43 Appendix 2 Sample Data Files Forester s Yield Curve Designer Appendix 3 Glossary comment textual notes associated with a curve The intended use of this comment capability is to facilitate and record communication between foresters and
30. described in this way by planners yet this complex information involving dozens of classes and thousands of curveset values is not accessible to foresters Up until now it was difficult for foresters to conduct field validation of management plan yields and provide feedback to planners to improve forecasts Secondary objectives of this project were to improve forest management decision making by providing a means to directly use the knowledge and experience of field foresters in improving yield forecasts and to improve the usability of valuable data from permanent and temporary sample plots by creating tools to access it FYCD addresses the problem of closing the loop in the forest Section 1 Introduction management planning process that is of getting the management plan volume yield curve information out to field foresters for validation against available data and experience and facilitating feedback from the forester to the planner FYCD uses a mouse driven graphical user interface GUI and was developed using the Visual Basic programming language It runs on a PC and requires Microsoft Windows 3 x or Windows 95 a mouse at least 2 megabytes of free disk space and 2 megabytes of memory FYCD contains functionality designed with both forest planners and foresters in mind It allows the user to 1 import data from stand growth and yield models forest simulation models FORMAN 1 and Woodstock and from permanent or tempo
31. e 1 4 4 1 4 7 are custom files needed by FYCD for descriptive purposes 1 4 1 FORMAN 1 Curveset file This format is column specific This file normally has a crv extension Field Type Length Columns 1 curveset number integer 3 1 3 2 curvesetname character 6 4 9 3 curve type character 1 10 4 breakup curve ID integer 3 11 13 5 entry age integer 3 14 16 6 breakup age integer 3 17 19 7 volume component character 6 20 25 8 Y factor integer 3 26 28 39 Appendix I Data Formats 9 number of vertices integer 3 29 31 10 curve vertices pairs of age and volume values for each vertex max 42 vertices age integer 3 32 volume integer 3 Example lines from a FORMAN 1 curveset file 1BFSPAAV137 50140EC PLP100 20 10 30 12 1BFSPAAV137 50140EC LOG100 20 10 30 15 1BFSPAAV137 501401H PLP100 20 10 30 17 lines shown above are truncated 1 4 2 FORMAN 1 Forest Class file This format is column specific This file normally has a cls extension Field Type Length Columns 1 forest class id integer 4 1 4 2 forest class name character 6 5 10 3 age integer 3 11 13 4 area integer 8 14 21 5 present curve integer 3 22 24 6 site integer 1 25 7 management unit integer 3 26 28 8 percent reserve integer 3 29 31 Example lines from a FORMAN 1 forest class file 1BFHWAA 30 3 702 4 2BFHWAA 40 3 351 A 3BFHWAA 55 2 351 Uu 1 4 3 FORMAN 1 Curve Composition file This format is column specific This file normal
32. e fir clear cut HWSFHI Hardwood and spruce fir high crown closure immature HW SF HM Hardwood and spruce fir high crown closure mature HWSFLI Hardwood and spruce fir low crown closure immature HWSFLM Hardwood and spruce fir low crown closure mature HWSFPC Hardwood and spruce fir patchy IHSFCC Intolerant hardwood and spruce fir clear cut IHSFHI Intolerant hardwood and spruce fir high crown closure immature Intolerant hardwood and spruce fir high crown closure mature Select forest class site type and management unit Press Ctrl or Shift while clicking to make multiple selections Curve Selection plume Category Vv primary volume S volume per tree IV primary product D CU HT secondary volume J secondary product other U user specified User specified volume categories can be used to separate species eg primary softwood secondary hardwood and product eg primary sawlogs secondary pulpwood groups Eastern cedar logs Eastern cedar pulpwood Fir studwood Spruce logs Spruce Spruce pulpwood Volume component names represent user specified species product combinations Figure 9 Opening FORMAN files by class definition 21 Forester s Yield Curve Designer Section 5 FYCD Reference TU 72 Development Type Selection Period length in years 5b Click to select Development Types Press Ctrl or Shift while clicking to make multiple selections Yield Components Se
33. e segments Performs the same function as the Build button 9 on the button bar Select All Selects and displays in the selection color 118 all curve segments currently on the graph Performs the same function as the Select All button 13 on the button bar De select All De selects all selected curve segments and displays them in their original colors Performs the same function as the De select All button 14 on the button bar Clear All Data Clears all data sets curves from the display Options menu Data Type Use to choose the type of data to be used in FYCD volume volume tree or 29 Section 5 FYCD Reference stems ha Scale And Grid Use to modify graph attributes such as scale axes labeling and background grid Configuration Set Configuration of FYCD including the location of FORMAN 1 data files codes used for species composition site region and treatment unit and automatic aggregation of FORMAN 1 curve components turn on and off Change Colors Allows you to interchange colors used for displaying data Performs the same function as the Colors button aa 15 on the button bar Help Opens the on line Help system containing detailed information about the concepts and operation of FYCD 2 Data Sets legend Contains the color and filename for each data set displayed on the graph 3 Save button Save a selected curve to a generic output file Performs the same function as the Save Gene
34. eld components of interest Select more than one yield component by holding the Shift or Ctrl keys while clicking with the mouse 75 Landscape Section form This form displays the LANDSCAPE section of the Woodstock file for use as a reference when picking development types This form can be left open or minimized while selecting development types Remove it from the screen using the Close button 76 76 Close button This button closes the LANDSCAPE Section form 75 33 Section 5 FYCD Reference 77 Print Graph form This form allows entry of titles and labels to be printed on the graph 78 Title A user defined title to be printed on the graph 79 Subtitle A user defined subtitle to be printed on the graph 80 X Axis Label A user defined label to appear on the x axis The default is Age Years 81 Y Axis Label A user defined label to appear on the y axis The default is Volume m ha 82 Print button Prints the graph with the user defined titles and labels to the default Windows printer 83 Save as FORMAN 1 file form This form allows you to specify the FORMAN 1 field values to be saved to the curveset file for the selected curve 84 Curveset Number integer 3 Each FORMAN 1 curveset in a curveset file must have a unique ID number All curves within a set must have the same ID See the FORMAN 1 User Manual for more information 85 Curveset Name character 6 The name assigned to each
35. es Composition button This button brings up the species composition configuration form to allow entry of the species composition codes These codes are used as selection criteria when opening PSP data 117 Site Region button This button displays the site region configuration form to allow entry of site region codes These codes are used as selection criteria when opening PSP data 118 Treatment Unit button This button brings up the treatment unit configuration form to allow entry of treatment unit codes These codes are used as selection criteria when opening PSP data 119 Build sum curve automatically when curveset is opened When this check box is checked a sum aggregate curve will be built automatically for any set of curves that are brought in to FYCD via the Open FORMAN 1 menu commands This option is off by default 120 FORMAN 1 path and filenames These text boxes contain the pathnames to several important FORMAN 1 files used by FYCD To change them use the open buttons to the right of the names 121 All of these files must exist for the Open FORMAN 1 Class Definition menu command to work properly 121 Open buttons When one of these buttons is pressed the path and filename of the FORMAN 1 file can be specified using a standard Windows open file dialog box 122 Default Y axis label Change the default y axis label Yield m ha by entering text 123 Customize Colors form Use this form to choose the c
36. eset file that match your forest class 62 site type 63 management unit 64 curve type 66 and volume category 67 selections They are selected by either clicking on the desired value by holding the mouse button down and dragging a selection box over them or by multiple selection with the Shift or Ctrl keys 69 Development Type Selection form This form allows selection from the different development type masks that exist in the YIELDS section of a Woodstock input file The period length 71 must also be specified 70 Development Types list box This list box displays all development types or masks that appear in the YIELDS section of the specified Wooastock file Click on the desired development types to select them More than one can be selected by holding the Shift or Ctrl keys while clicking with the mouse 71 Period Length box To use Woodstock data the period length five years by default must be specified You must ensure that this value matches the period length used in the Woodstock data you are using since there is no way for FYCD to verify this 72 Themes button When this button is clicked a form that displays the LANDSCAPE section of the Woodstock file will appear 75 if one is found 73 Yield Components Selection form Allows selection from the list of Yield Components that match the previously selected development types 74 Yield Component list box Allows selection of the yi
37. foliation impacts n Forest protection planning to sustain long term wood supplies Contract Report to Can For Serv Maritimes Region Fredericton Forester s Yield Curve Designer NB pp B1 B39 C1 C18 Wang E C Erdle T and Roussell T 1987 FORMAN wood supply model user s manual Report of the New Brunswick Executive Forest Research Committee Inc Fredericton NB 37 Section 6 Literature Cited Forester s Yield Curve Designer Appendix 1 Data Formats FYCD uses five general types of data as input output files from stand growth models PSP data FDS inventory data FORMAN 1 timber supply model files and Woodstock timber supply model files Output from four different stand growth models are supported the STABLE model Steinman and MacLean 1994 the STAMAN model Vanguard Forest Management Service Ltd 1993 the GROW model Steinman et al 1993 and a generic format PSP and FDS data files consist of repeated and single measurements respectively of volume ha stand age and other variables Both FORMAN 1 Vanguard Forest Management Services Ltd 1991 and Woodstock Remsoft Inc 1996 timber supply models require several files as described below This appendix describes formats of each of the file types which can be used by FYCD With this information any data can be customized to conform to one of these file formats for use with FYCD Some file formats are column specific meaning that
38. h specified age The r value and equation of the regression are stored as a label in FYCD and can be viewed by selecting the regression curve in the Data Sets legend and then pressing the Indiv Curve Info button logarithmic regression a logarithmic regression fits a curve of the equation y a b logiox through a set of points then calculates values for that equation at each specified age The r value and equation of the regression are stored as a label in FYCD and can be viewed by selecting the regression curve in the Data Sets legend and then pressing the Indiv Curve Info button management unit used in a FORMAN 1 forest class file to divide forest classes according to some delineation related to management intentions mean aggregate a type of curve that is built with the build curve function Each resulting point in the aggregate curve is the average y value of all selected curve segments at that age Forester s Yield Curve Designer model output results output files from growth and yield or stand development models FYCD supports formats derived from the STABLE STAMAN and GROW models as well as a generic format product grouping a component of the volume category that has two possible values volume or product This term is not standard FORMAN 1 terminology but is introduced in FYCD to clarify the explanation of the FORMAN 1 volume category PSP permanent sample plot A location in the forest at
39. he main portion of the FYCD screen Figure 1 consists of a yield versus age graph upon which selected data sets are displayed as full curves curve segments representing repeated plot measurements or single plot measurement points Built in functions and use of a mouse allow the selection and manipulation of any displayed data FYCD facilitates validation of yield curves by comparison with sample plot data The user can also create new curves by drawing adjusting or combining curves Age based curves of volume per hectare volume per tree or stems per hectare can be used with the program FYCD provides a curve display area with labeled x and y axes and a legend Figure 1 shows the Section 2 Overview of FYCD user interface and identifies several of its components Data are displayed as colored curves curve segments or points on the graph The Data Sets legend identifies different data source files using different colors A menu bar a button bar and dialog boxes provide access to FYCD s capabilities including importing data interactively drawing and editing curves combining curves by summing averaging and curve fitting methods and saving curves in various formats Specific import routines are included to support PSPs temporary sample plots the STAMAN Vanguard Forest Management Services Ltd 1993 stand growth model and the FORMAN 1 Wang et al 1987 Vanguard Forest Management Services Ltd 1991 and Woodstock Rems
40. icking on the up and down arrows to the right of the box The default value is 50 109 Y Axis Label Use this box to specify a label for the Y axis of the graph 110 Grid On Grid Off buttons Turn the background grid on and off by clicking on the appropriate button The grid is off by default 111 X Interval If the Grid On option 110 is selected specify the interval for x axis grid lines e g every 10 years either by typing the desired value in the box or by adjusting the value by clicking on the up and down arrows to the right of the box The default value is 10 112 Y Interval If the Grid On option 110 is selected specify the interval for y axis grid lines e g every 50 m ha either by typing the desired value in the box or by adjusting the value by clicking on the up and down arrows to the right of the box The default value is 50 113 Line Type Specify one of four grid line styles if the Grid On option 110 is selected 114 Reset button This button resets all Scale and Grid control values to the defaults 115 FYCD Configuration form Use this form to customize some of the settings in FYCD such as the species composition site region and treatment unit codes used to query PSP data There is also an option that builds a sum curve automatically whenever FORMAN 1 curves are brought in 119 Also the paths and filenames for the FORMAN 1 files can be changed 35 Section 5 FYCD Reference 116 Speci
41. irectory named FYCD ensure your file transfer type is set to binary and get the self extracting zip files named ycd v1 exe FYCD software and sample data and fycd doc exe this document If you do not have Internet access a diskette with the software can be obtained by sending a high density 3 5 floppy diskette and a self addressed stamped floppy disk mailer to the authors 3 1 Installation If you are installing from a diskette insert it into the 3 5 drive we ll assume it s the A drive then Windows 3 x users From the Program Manager select File Run from the menu then type a Nsetup in the box provided Windows 95 users From the Start button on the taskbar select Run then type a setup in the box provided If you retrieved FYCD via FTP or WWW 1 Make sure that the ycd v1 exe file is in an empty directory 2 Extract the downloaded file Windows 3 x users From the Program Manager select File Run from the menu then select the ycd v1 exe file from the dialog box provided Windows 95 users From the Start button on the taskbar select Run then select the fycd v1 exe file from the dialog box provided 3 Windows 3 x users From the Program Manager select File Run from the menu then FYCD software from the Section 3 Obtaining and Installing the Software type in the path to the FYCD setup exe file in the box provided e g c temp setup ex Windows 95 users From the Start button on the task
42. is form you can view curve segments contained in a permanent sample plot PSP data file Select the species compositions site regions and treatment units that you are interested in to view the curve segments that match these criteria 52 Options list boxes Each of these list boxes contain all selection options for the specified data item To select an option click on its name in the list box Its name will then appear in the selected list box 54 The contents of a list box are dependent on the option being selected namely Species Composition Site Region Treatment Unit Curveset Number and Name or Volume Component 53 Select All button This button selects all items in the Options list box 52 and moves them to the selected list box 54 54 Selected list box This list box contains all the options selected from the options list box 52 To de select an option click on its name in this list box 55 Cancel Button Cancels any changes made in the window and closes the window 56 Continue Button Continues using the values specified on the form 57 Open FORMAN 1 by Query form Using this form you can open curves from a FORMAN 1 curveset file by the factors that identify a unique curve curveset number curveset name and volume component 58 Open FORMAN 1 by File Viewer form Using this form you can select curves from a FORMAN 1 curveset file by viewing the file directly and clicking on the desired c
43. le Each file contains output from the STABLE model consisting of volume ha by age predictions for a single species Several 8 year curve segments one per plot are included in each file The species is identified by the filename extension shown here as an asterisk stab tr Each file contains output from the STABLE model consisting of volume tree by age predictions for a single species Several 8 year curve segments one per plot are included in each file The species is identified by the filename extension shown here as an asterisk staman Each file contains output from the STAMAN model consisting of volume ha by age predictions one yield curve for a single species The species is identified by the filename extension shown here as an asterisk The files listed below are also of this type stamrep 1bf fir stand type 30 60 yrs of age nprotected against spruce budworm tamrep 2bf fir stand type 55 85 yrs of age nprotected against spruce budworm tamrep 3bf fir stand type 65 95 yrs of age nprotected against spruce budworm tamrepl 1bf fir stand type 30 60 yrs of ge protected against spruce budworm tamrepl 2bf fir stand type 55 85 yrs of ge protected against spruce budworm tamrepl 3bf fir stand type 65 95 yrs of protected against spruce budworm tamrep 1sp spruce stand type 45 75 yrs of unprotected against spruce budworm tamrep 2sp spruce stand type 65 95 yrs of unprotected against spruce budworm tam
44. lection Click to select Yield Components Press Ctrl or Shift while clicking to make multiple selections 5 56 Figure 10 File Open Woodstock files dialog boxes 22 Forester s Yield Curve Designer Section 5 FYCD Reference 7 Print Graph Title Subtitle X Axis Label Gi Y Axis Label 2 TT 55 Figure 12 File Print graph dialog box 23 Forester s Yield Curve Designer Section 5 FYCD Reference BR Save as FORMAN 1 File Curveset Number Curveset Name Curve Type Breakup Curve ID Entry Age Breakup Age Volume Component Y Factor i AE pom LEN 060000000 Comment Optional Figure 13 File Save FORMAN 1 dialog box Save to Woodstock file Development Type Period Length SS 53 Figure 14 File Save Woodstock dialog box 24 Forester s Yield Curve Designer Section 5 FYCD Reference Build Curve 9 amp 9 G 55 Figure 15 Edit build curve dialog box Scale and Grid Control x Ge 28 o fo NN s Line Type OG Figure 16 Options set scale and grid dialog box 25 Forester s Yield Curve Designer Section 5 FYCD Reference Build een pene suit oe when Cuponpp re opened E EE Gd DE Ee EE Sie Typa Deseta EES Mamun pasenes Eeer Je vot camp gengen EES Dalmak v Asia Lahat abd Fiha 86 Figure 17 Options set configuration Cu
45. ll the software Section 4 presents six tutorial exercises to help get you started Section 5 is the FYCD reference that provides an explanation of all functions This includes an alphabetical index of all functions and terms plus Figures that illustrate all buttons menu items and data entry forms These are both numerically cross referenced to a detailed description of functions so that you can locate an item in either the index of functions and terms pp 12 13 or the Figures pp 14 28 and then look it up in the reference pp 29 36 Appendices 1 and 2 explain data formats used by FYCD and the sample data files that are included with the software Appendix 3 provides a glossary of terms The best way to learn FYCD is to try it out The tutorial can be used as a guide to get you started It presents several possible uses of FYCD The online Help system provides the most detailed documentation so we encourage you to use it extensively A number of sample input data files from growth and yield models as well as a sample of estimated volumes per hectare based on the New Brunswick Co operative Permanent Sample Plots PSP data courtesy of John Upshall New Brunswick Department of Natural Resources and Energy are included with the FYCD software FYCD will also read FORMAN 1 curveset files and Woodstock data as input All data files on the FYCD disk should be treated as sample data which may not be realistic 2 Overview of FYCD T
46. ly has a cmp extension Field Type Length Columns 1 volume component character 6 1 6 2 product code character 1 8 Example lines from a FORMAN 1 curve composition file IH PLP 2 SPRPLP 1 SPRSTD P SPRLOG P 1 4 4 Forest Class description file forestcl des This format is column specific Field 1 class group Length Columns 1 4 Type character 4 Appendix I Data Formats Forester s Yield Curve Designer 2 forest class name 3 description 6 11 13 80 character 6 character 68 Note class group is only used to visually group forest classes in the selection list when opening FORMAN 1 files by Class Definition forestcl des fir and hardwood all fir and hardwood clear cut fir and hardwood patchy fir and spruce all crown BFSPCC Balsam fir and spruce clear cut BFSPPC Balsam fir and spruce patchy lines shown above are truncated Example lines from BFHW BFHWAA Balsam BFHWCC Balsam BFHWPC Balsam BFSP BFSPAA Balsam 1 4 5 Volume Component description file volcomp des This format is column specific Field Type Length Columns 1 volume component character 6 1 6 2 description character 25 8 32 Example lines from volcomp des EC PLP Eastern cedar pulpwood EC LOG Eastern cedar logs IH PLP Intolerant hardwood pulpwood SPRPLP Spruce pulpwood SPRSTD Spruce studwood SPRLOG Spruce logs 1 4 6 Site Type description file sitetype des This format is column specific
47. ming it unprotected 4 1 7 Select the protected curve from the Data Sets legend and select File Save FORMAN 1 from the menu or press the save as FORMAN 1 button in the file box type in the name of a file with a crv extension e g bf crv to save the curve to or select an existing curveset file to add the curve to Next fill in the FORMAN 1 fields using appropriate values e g curveset number 1 curveset name bf breakup curve ID 20 volume component pulp and defaults for other values see Appendix 1 4 and the glossary in Appendix 3 for further explanation and enter a comment in the comment box An example comment This curve is an average protected curve built with the yield curve designer from three STAMAN projections Use the Tab key to move from field to field in the form Repeat this process to save the unprotected curve to the same file Exercise 4 2 Display PSP data compare it to yield curves and interactively edit curves This exercise will demonstrate how to open a PSP data file build an average curve based on plot data and compare the plot based curve to the model output based curves built in Exercise 4 1 4 2 1 From the menu select File Open PSP From the file box select dmaclean psp and click OK The Open PSP Options dialog box will appear select BFSP from the species composition window and select all site regions and treatment units by clicking their respective All button
48. n form 65 32 9 21 curve set info legend 18 30 5 18 curve type 66 32 9 21 curveset name 85 33 13 24 curveset number 84 33 13 24 curveset selection form 61 32 9 21 data sets legend 2 29 2 15 data type 31 31 3 16 de select all 14 26 30 2 3 15 16 development type 69 70 33 10 22 draw 8 29 2 15 edit 10 30 2 15 edit menu 26 30 3 16 entry age 88 33 13 24 exit 1 29 2 15 FDS 1 29 2 15 file open menu 1 29 2 15 file menu 1 29 2 15 file name box 33 31 3 16 file viewer 27 58 30 32 3 16 forest class 27 62 30 32 9 21 FORMAN 1 curveset 27 30 3 16 grid on grid off 110 35 16 25 help 28 30 2 15 individual curve info 18 30 5 18 keep button 11 30 2 15 LANDSCAPE section 75 33 11 23 line type 113 35 16 25 linear regression 98 34 15 25 logarithmic regression 98 34 15 25 management unit 64 32 9 21 maximum X value 105 34 16 25 12 Forester s Yield Curve Designer Section 5 FYCD Reference Table 1 Continued Description Figure Function or term Number Page Number Page maximum Y value 106 35 16 25 mean aggregation 98 34 15 25 message bar 21 30 2 15 model output 25 30 3 16 open files 1 29 2 15 open FORMAN 1 query 27 30 3 16 open PSP options 51 32 6 19 open save dialog box 32 31 3 16 options menu 30 31 3 16 page buttons 49 31 5 18 period length 71 96 33 34 10 22 plot point button 42 31 4 17 point control box 41 31 4 17 print 1 6 29 2 3 15 16 product grouping 67 32 9 21 PSP 24 30 3 16 quadratic regression 98 34 15 25 rename data set 1
49. nt Services Ltd 1991 is a simulation model commonly used in eastern Canada This exercise opens FORMAN 1 data by the Class Definition method using the factors that stratify the assigned forest classes These data will then be compared with inventory Forest Development Survey FDS and PSP data See Appendix 1 7 for details on how to set up FYCD to use your own data 4 3 1 4 3 2 4 3 3 FYCD has an option that can be toggled on or off to automatically build a sum aggregate curve whenever a FORMAN 1 curveset file is opened From the menu select Options Configuration Click on the box next to the message that says Build sum curve automatically when curveset is opened if it is not already checked Press Continue From the menu select File Open FORMAN 1 Class Definition Select forsampl crv from the file box and click OK Select forest class BFSPAA site type Good and management unit 0 from the selection boxes and press Continue Then the Curve Selection window appears FORMAN 1 curveset formats are explained in more detail in the glossary Appendix 3 On the Curve Selection form select V volume from the curve type box and primary volume from the volume category box then select both FIRPLP and SPRPLP from the volume component box by holding the Ctrl key while clicking to select more than one volume component Press Continue Forester s Yield Curve Designer 4 3 4 FYCD can be used t
50. o examine data from different sources to validate curves To illustrate this we will now display FDS data for comparison From the menu select File Open FDS From the file box select bfsp fds and click OK a scatter graph of the plot data appears The fir and spruce pulpwood curves from step 4 3 3 can now be compared to the plot data 4 3 5 Now you can do the same with some PSP data Open al BFSP data from dmaclean psp as in step 4 2 1 curve segments appear The point here is that the curve data could now be edited if they poorly represented the plot data Exercise 4 4 Freehand drawing and display configuration options This exercise demonstrates how to draw a curve with FYCD perhaps based on empirical data and save it to a curveset file that could be used as input to a timber supply model 4 4 1 Display some FDS data once again From the menu select File Open FDS select spih fds and click OK 4 42 Now draw a single curve that is representative of this survey data Click on the draw button Lal This switches FYCD to draw mode Click a point on the graph indicating where you want to begin the curve Points are placed at each spot on the graph where you click and are connected to other points to form a line curve Points can also be entered for a curve using the point control box Enter pairs of x and y coordinates and then press the Plot Point button When finished drawing the curve click on the draw but
51. of a vertex You can also manually enter values into the text boxes 44 In Individual Curve Info mode all curves in the selected data set see Data Sets legend 2 become colored individually and a new legend named Curve Set Info is displayed in a separate window Curves from the non selected data sets are displayed with dotted gray lines when in this mode 45 Curve Set Info legend When individual curve info mode is active this window is displayed containing the color and curve identifier for each curve in the selected data set 46 Total No of curves This counter shows how many individual curves are in the selected data set 47 Clear button This button removes the curve selected in the Curve Set Info legend 45 from the data set 48 Comment button Pressing this button will display the comment if one exists for the curve selected in the legend window comment exists if there is a check mark 50 to the right of the curve identifier in the legend 49 Page buttons PgUp and PgDn allow you to page up and page down through the list of curves if there are more than 10 curves in the chosen data set Only 10 curves are colored at a time 50 A Check Mark next to a curve s identifier means that a comment exists for that curve It can be viewed by selecting it in the Curve Set Info legend 45 and clicking the Comment button 48 Forester s Yield Curve Designer 51 Open PSP Options form Using th
52. oft Inc 1996 forest models The user can also create notes or comments and link them to individual curves send output to a printer and access on line help information 2 1 How FYCD works with data To avoid confusion it is important to understand how FYCD works with data FYCD views data using one of two abstractions depending on the operation either as a data set or as an individual curve The first data abstraction is based on the idea of the data set Whenever a data file is opened or a curve is built FYCD is using a data set the name of which is displayed in the Data Sets legend Figure 1 This data set name is a filename or other descriptive label that explains the data Operations in FYCD that work on a data set include clearing a data set opening a data file saving data and editing data The second data abstraction used by FYCD is a single data curve Certain operations deal with individual volume per age or stems ha per age curves directly rather than with the whole data set Operations that work on single curves include selecting curves by clicking on them on the graph or by using the select all button building a curve and clearing a curve in the Curve Set Info legend It is important to realize that no changes that you make on the screen will affect the original data in your data files The only way to save data to a file in FYCD is through the File Save menu or through the save buttons on the toolbar and
53. olor used to represent each data set on the graph You can also choose the highlight color and revert the colors back to the defaults 124 Data Set Colors These ten colors will be used to display curves on the graph To interchange colors click consecutively on two colors 125 Selection Color This is the color used for curve segments that are selected It may be interchanged with any of the other ten colors by clicking first on the current selection color then the color with which it is to be interchanged Forester s Yield Curve Designer 126 Defaults button This button will reset all colors to the default colors 127 Species Composition form This form allows addition to or deletion from the list of species compositions used by FYCD as selection criteria when opening PSP data files 128 Species Composition text To enter a new species composition type the code here and press enter The code will then appear in the selected types list box 129 129 Species Composition list box This box contains all species composition codes that have been previously entered To remove a species composition code click on it in this list box 130 Site Region form Use this form to add to or delete from the list of site regions used by FYCD as selection criteria when opening PSP data files 131 Site Region text box This box is used to enter new site regions codes and descriptions To enter a new code type it here then press en
54. r up or down The default is 100 See the FORMAN 1 User Manual for more information 92 Comment text no limit Allows optional entry of a text comment for this curve The intended use of this comment capability is to facilitate and record communication between foresters and the management planners regarding individual curves The comment will be written to each curveset record beyond the end of the actual curve data and will not affect the operation of the FORMAN 1 program 93 Save to Woodstock file form This form allows you to specify the development type yield component and period length to be saved to a Woodstock file for the selected curve 94 Development type A development type represents a parcel of forest land which is represented by a particular sequence of landscape theme attributes See the Woodstock User s Guide for more information 95 Yield Component The name of the species product combination to which the curve data apply See the Woodstock User s Guide for more information 96 Period Length A time interval composed of one or more years Periods are the basis for age classes as well as planning periods See the Woodstock User s Guide for more information 97 Build Curve form This form allows selection of the type of aggregation to be used in building a curve Six different aggregation types can be chosen and the age interval or specific ages at which to calculate curve values can be specified
55. rary sample plot measurements 2 use three different methods FORMAN 1 yield curvesets 3 select volume yield curves by any factors that might be used to define them in management plans such as stand species composition site type geographic location ecodistrict or silvicultural treatment 4 graphically display the yield curve or curve components individual species or volume components 5 view on screen legends for both data sets and individual curves 6 validate curves against available data including permanent sample plots and Forest Development Survey inventory plots 7 build new curves from stand model output existing curves or plot data 8 combine curves and or plot data using several aggregation methods including summation averaging and four types of regression 9 if desired use drawing and editing tools to alter the development pattern based on the forester s experience or data 10 save yield curves in either a generic format or formats used in forest simulation models FORMAN 1 or Woodstock curve sets 11 enter store and view notes or comments on curves eg comments on revised or questioned yield patterns from a forester to a planner and 12 view on line help to access This report is divided into five sections and three Appendices Section 2 provides a brief overview of Forester s Yield Curve Designer FYCD and its major functions Section 3 describes how to obtain and insta
56. re in the directory currently selected in the Folders list box 36 that match the mask in the file types box 35 File type box This box displays information about the files that you are interested in as well as a mask showing how those files are found For example crv will match only those files with the crv extension 36 Folders list box This box displays the directory structure on your computer You can select different directories by double clicking on their names 37 Drives box This box displays the current drive By clicking on the arrow button to the far right of this box you can select another drive such as the floppy drive A or another disk drive 38 OK button Pressing this button continues with the file name you ve chosen 39 Cancel button current operation This button cancels the 40 Network button Press this button if you would like to connect a drive from the network to 31 Section 5 FYCD Reference your computer 41 Point Control box This box becomes visible in freehand mode and allows a curve to be drawn based on the exact X Y coordinates of its vertices 42 Plot Point button While in freehand mode pressing this button will plot a point as specified in the X and Y Value text boxes 43 Each point plotted in this way will be connected to the previously plotted point with a line segment 43 X and Y Values Click on the arrows to increment or decrement the X and Y values
57. rep 3sp spruce stand type 85 115 yrs Dm Dm Dm Dm Dm Dm Em E oC 42 Appendix 2 Sample Data Files of age unprotected against spruce budworm stamrepl 1sp spruce stand type 45 75 yrs of age protected against spruce budworm stamrepl 2sp spruce stand type 65 95 yrs of age protected against spruce budworm stamrepl 3sp spruce stand type 85 115 yrs of age protected against spruce budworm stamanst Each file contains output from the STAMAN model consisting of number of stems ha by age predictions one curve for a single species The species is identified by the filename extension shown as an asterisk fds Each file contains a set of volume ha values stratified by FDS plot identifier and stand age Each plot in the file has one volume measurement The plots were grouped into files according to species composition forest unit FUNA code which is denoted by the filename shown here as an asterisk dmaclean psp Data from Dr D A MacLean s permanent sample plots A curve segment showing volume ha by age from 1983 1991 is included for each of several plots bf psp N B Co operative PSP data volume ha by age from a portion of the province for plots with balsam fir as the primary species specifically Forest Unit FUNA BFTH or BFSP spbf psp N B Co operative PSP data volume ha by age from a portion of the province for plots with FUNA SPBF allbfsp psp N B Co operative PSP
58. ric menu command 4 Save as FORMAN 1 button Save a selected curve to a file in FORMAN 1 curveset format Performs the same function as the Save FORMAN 1 menu command 5 Save as Woodstock button Save a selected curve to a Woodstock file Performs the same function as the Save Woodstock menu command 6 Print button Print the current graph to the default Windows printer All curves on the display are printed Performs the same function as the Print menu command 7 Zoom button Zoom in to a specific portion of the graph by dragging a box over the desired area while holding the left mouse button Zoom back out by clicking on the zoom button again 8 Draw button Enters freehand draw mode allowing the creation of a custom curve Each click will represent a new vertex of the curve A colored line connects these vertices The point control box see Figure 4 can also be used to plot points 9 Build button Build an aggregate curve Forester s Yield Curve Designer when one or more curves or data points are selected The selected data can be aggregated by one of six different methods mean aggregation sum aggregation linear regression quadratic regression cubic regression and logarithmic regression See Figure 15 In all cases the calculated points are connected with straight line segments Performs the same function as the Build Curve menu command 10 Edit button Allows you to modify curves A data set must fi
59. rst be selected from the Data Sets legend Then after clicking the edit button you can move the drag boxes which represent each point in the data set to the desired location using the mouse To keep the changes press the Keep button 11 The Cancel changes button 12 reverts to the original curve 11 Keep button Keeps changes made while in edit mode 12 Cancel changes button x Cancels the changes made while in edit mode 13 Select All button Selects all curves and displays them in the selection color red by default Performs the same function as the Select All menu command 14 De select All button De selects all curves and displays them in their original colors Performs the same function as the De select All menu command 15 Colors button H Allows you to interchange the colors used for displaying data sets Performs the same function as the Change Colors menu command 16 Clear All data sets button Removes all data sets in the Data Sets legend from the FYCD program 17 Clear data set button Removes the data set selected in the Data Sets legend from the FYCD program 18 Indiv Curve Info button Activates the individual curve info mode This mode gives more information on a data set by coloring individual curves using a separate legend It can be toggled on and off by pressing this button This button remains pressed when individual curve info 30 Section 5 FYCD Reference mode is a
60. s Click Continue The curve segments that appear represent volume development from 1983 1991 for Forester s Yield Curve Designer 4 2 2 4 2 3 4 2 4 4 2 5 permanent plots maintained by the Canadian Forest Service in New Brunswick MacLean and Erdle 1986 the volume declines were caused by spruce budworm defoliation and natural stand breakup Select all curve segments by pressing the select all button on the button bar Build a mean curve through these curve segments as in step 4 1 3 above Remove the PSP data by selecting dmaclean psp in the Data Sets legend and pressing Clear There are spikes in the aggregate curve that was just built so let s smooth it using editing tools Select the aggregate curve in the Data Sets legend and click on the edit button L on the button bar to enter edit mode A drag box should appear over each vertex of the curve Click on the second last box or any other one that you would like to move and hold down the mouse button Now move the drag box to the desired location and release the mouse Once several drag boxes have been moved to create a smoother curve click on the keep button to save your changes If after modifying the curve it is desired to change back to the original press the pu il button Click on the edit button again to exit edit mode Lets compare this curve to the curves previously saved in Exercise 4 1 From the menu select File Open FORMAN 1
61. s or by multiple selection using the mouse along with the Shift or Ctrl keys 64 Management Unit window This window displays the list of management unit values found in the forest class file Management units are selected by clicking on the desired management unit by holding the mouse button down and dragging a selection box over several values or by multiple selection using the mouse along with the Shift or Ctrl keys 65 Curve Selection form This form is the second step in opening a FORMAN T file by class definition On this form you can choose the curve types volume categories and volume components that you are interested in Only those curves from the curveset file that match selections from this form and the previous form 61 are opened 66 Curve Type FORMAN 1 curves can be any of these four types Click on one of them to select the curve type Choosing any type other than V volume disables the Volume Category section of the form since it is not applicable 67 Volume Category These check boxes allow selection of the volume category product grouping either volume or product and the species groupings for the desired curves either primary secondary or other The species groupings along with the product grouping narrows down the choice of curve volume components 68 to those that are applicable Forester s Yield Curve Designer 68 Volume Component This window displays all volume components in the chosen curv
62. s curves to be opened from the curveset file by simply clicking on the data representing those curves Lastly opening a FORMAN 1 file by class definition allows selection of specific forest classes site types and management units and then selection of curve types volume categories and volume components 28 Help menu Click on contents to get help for FYCD The About option displays the FYCD title screen Forester s Yield Curve Designer 29 File Save menu FYCD allows you to save curve data in one of three formats a Generic format as explained in the Input File Formats section FORMAN 1 format or Woodstock format 30 Options menu From this menu you can change the data type change the scale of the graph or add a grid to the graph change the configuration of FYCD or change the colors used for particular data sets 31 Options Data Type menu From this menu you can choose the type of data that you would like to work with in FYCD volume data volume per tree data or stems per hectare data 32 Open Save dialog box Whenever you are asked to specify a file for opening or saving FYCD displays a box like this one With it you can specify a filename and path on your computer 33 File name box This box displays the name of the file you are selecting You can either select a file from the files list box 34 or you can type the name directly into this box 34 Files list box This box displays all files that a
63. see on the screen You should clear all data from FYCD before beginning a new exercise using the clear all Cir Alf button in the Data Sets legend Boldface text is used in the tutorial to highlight FYCD menu items and other text that appears in the software and icons are used to identify buttons File names data set names and items to be typed are shown in Courier font Forester s Yield Curve Designer Exercise 4 1 Construct volume yield curves from stand growth model output and save curves to a file This exercise will demonstrate how to open FYCD input files and build aggregate curves The FYCD distribution disk provides several files that were generated using the STAMAN stand growth model Vanguard Forest Management Services Ltd 1993 Using these files we will build two aggregate curves that demonstrate the volume gained by protecting against spruce budworm Choristoneura fumiferana Clem defoliation The files stamrepl 1bf stamrepl 2bf and stamrepl 3bf represent volume projections for three balsam fir stands from ages 33 63 57 87 and 64 94 years respectively The files stamrep 1bf stamrep 2bf and stamrep 3bf represent projections for the same three stands and ages but under conditions of an uncontrolled spruce budworm outbreak In each pair of protected and unprotected simulations the budworm affected stand has lower volumes resulting from mortality and growth loss caused by defoliation 4 1 1 Click the
64. stomize Colors S Ww Color 1 Color 2 Color 3 Color 4 B Color 5 124 Color 6 Color 7 Color 8 Color 9 Color 10 25 Selection Color Click colors to interchange Figure 18 Options change colors 26 Forester s Yield Curve Designer Section 5 FYCD Reference Species Composition 127 Selected codes Enter species comp code 128 Enter each species composition code allowed for input in PSP files Press the Enter key to add each to the list To remove a code click on it s name in the listbox to the right Figure 19 Options set configuration species composition Site Region Site Region Description Enter Site Region code Cains Tracadie Enter each Site Region code allowed for input in PSP files For each code enter the code press enter then type a coresponding description and press enter To remove a Site Region code click on it s code or description in the appropriate list box Figure 20 Options set configuration site region 27 Forester s Yield Curve Designer Section 5 FYCD Reference Treatment Unit LS Description EN Enter each Treatment Unit code allowed for input in PSP files For each code enter the code press enter then type a coresponding description and press enter To remove a Treatment Unit code click on it s code or description in the appropriate list box 5 Figure 21 Options set configuration treatment unit 28 Forester
65. t files for FYCD from any stand growth model by re formatting them to conform to one of the formats described in Appendix 1 1 The generic format was provided specifically for this purpose though any of the other formats can be used To use the generic format follow these guidelines e if the data file consists of only one curve make sure that the identifier is the same for each line of data see generic format Appendix 1 1 4 e if the data file consists of more than one curve make sure that the identifier is the same for all points in the curve and unique to the curve e if the data file includes point data make sure that the identifier is unique for each line of point data e to open a file having this generic format choose the File Open Model Output Generic menu item Input files produced using STAMAN must follow the formats used by FYCD Appendix 1 1 2 To produce this format using STAMAN generate an ASCII report choose no titles and select one volume component or density component if creating stems ha data This format supports only one curve per file Appendix 1 7 Using FORMAN 1 files In order to use FORMAN 1 curveset files simply copy them to the FYCD directory giving them names with crv extensions Remember if you want to use the File Open FORMAN 1 Class Definition capability you need to also include the additional files required by FYCD The following is a list of data files needed by FY
66. ter Notice that the prompt then changes to Enter Description Next type in a description for that site region code and press enter The new site region and description will appear in the site region list box and description list box respectively 132 Site Region list box This box contains all site region codes that have been previously entered To remove a site region click on either its code in this list box or its description in the Site Region Description list box 133 133 Site Region Description list box This box contains all site region descriptions that have been previously entered To remove a site region click on either its description in this list box or its code in the Site Region list box 132 134 Treatment Unit form Use this form to add to or delete from the list of treatment units used by FYCD as selection criteria when opening PSP data files 135 Treatment Unit text box To enter a new treatment unit TU code type it here and press enter Notice that the prompt then changes to Enter Description Next type a description for that code and press enter The new TU code and description will appear in the TU code list box and description list box respectively 36 Section 6 Literature Cited 136 TU Code List box This box contains all TU codes that have been previously entered To remove a treatment unit click on either its TU code in this box or its description in the treatment unit des
67. the management planner regarding individual curves cubic regression a cubic regression fits a curve of the equation y a bx cx dx through a set of points and then calculates values for that equation at each specified age The r value and equation of the regression are stored as a label in FYCD and can be viewed by selecting the regression curve in the Data Sets legend and then pressing the Indiv Curve Info button curve type the type of curve being defined Valid curve type codes are V volume per hectare by age the default S volume per tree by age C cost by age U user specified curve curveset file see FORMAN 1 curveset curveset number the identification number assigned to each FORMAN 1 curveset See the FORMAN 1 User Manual for more details curveset name the name assigned to each curveset which can be used to describe the stand condition to which it relates See the FORMAN 1 User Manual for more details data set this is the term used by FYCD to describe a set of data that is displayed on the graph as a curve a point or a set of curves or points The data in a data set may have been read into FYCD or created within FYCD using one of its functions A data set is an entity only within the FYCD program and has no permanence Each data set is uniquely colored and named in the Data Sets legend freehand refers to the draw mode in FYCD where you can draw your own curves by placing c
68. tifier giving species region number and plot number Model output files can have multiple curves like the example generic file above or single curves like the GROW and STABLE models FYCD recognizes different curves in the generic file by their identifiers In the above example FYCD knows that the second curve starts when the identifier changes from fir 1 108 to fir 1 113 since this changes the 15 character identifier string To use the generic format for a single curve either leave the identifier blank or make sure it is the same for all points in the curve Forester s Yield Curve Designer Appendix 1 2 PSP Data Fields are delimited by spaces Species composition values must be in double quotes Field Type Length 1 plot number integer KR 2 age integer 3 volume ha real i 4 species composition character 4 5 site region integer j 6 treatment unit integer i Example lines from a PSP output file 1205 43 72 2 BFIR 1 8 1205 48 70 4 BFIH 1 8 1205 51 69 5 BRIE 1 8 701 59 68 2 BEIH 3 3 701 64 62 8 BFIH 3 3 Appendix 1 3 Forest Development Survey inventory data This format is column specific Field Type Length Columns 1 identifier character 12 2 13 2 age integer 3 15 18 3 volume real 3 19 21 Example lines from an FDS data file 1BFSPM62 63 110 252BFSPM64 59 116 299BFSPY62 37 30 491BFSPY64 34 14 Appendix 1 4 FORMAN 1 files File types 1 4 1 1 4 3 are standard FORMAN 1 files whil
69. ton again to exit draw mode 4 4 3 Next let s change the scale of the graph and add a grid From the Options menu select Scale and Grid Change the Max X value to 200 either by typing it into the box or by clicking on the arrowheads Click the Grid On button in the Grid Control section of the form Press Continue 4 4 4 Now save the curve to a FORMAN 1 file as in step 4 1 7 For example you could use curveset number 2 curveset name spih 10 Section 4 Tutorial breakup curve ID 21 volume component pulp and defaults for all other fields This curve will be appended to the curveset file Exercise 4 5 Curve fitting techniques This exercise will demonstrate some of the curve fitting capabilities of FYCD 4 5 1 Display some FDS data once again Select File Open FDS from the menu select the bfsp fds file and click OK and repeat for spbf fds scatter graph of plots from the two files appears 4 5 2 Let s fit an aggregate cubic equation through these data Select all points by clicking on the select all button ul Now press the Build curve button 5 From the Build Curve dialog box select Aggregation Type Cubic and press Continue A new aggregate curve appears 4 5 3 In the Data Sets legend select the aggregate curve Now click on the Indiv Curve Info button Notice that the equation and r value for the fitted curve are displayed in the message bar at the bottom of FYCD and that the r is listed in the
70. urve vertices on the graph using the mouse It is meant to replicate drawing yield curves by hand on graph paper FDS Forest Development Survey inventory data from the N B Department of Natural Resources and Energy It consists of volume ha by stand age data one record per FDS plot based on data collected at temporary sample Appendix 3 Glossary plots Records for similar plots would probably be placed in the same FDS data file for use in FYCD forest class a grouping of forest stands based on stand characteristics forest class file a FORMAN 1 data file characterizing all forest classes which comprise a particular forest area This file is used by FYCD to get forest class curveset number site type and management unit information FORMAN 1 a wood supply planning model that forecasts the development of a forest over time according to user defined development expectations and management strategies See the FORMAN 1 User Manual Vanguard Forest Management Services Ltd 1991 for more information FORMAN 1 curveset a curveset is a series of curves for a forest class with separate curves for each species component Four curve types are supported by FORMAN 1 Volume age curves are the primary curve type dealt with by FYCD See the FORMAN 1 User Manual for details linear regression a linear regression fits a straight line y a bx through a set of points then calculates values for that equation at eac
71. urves 59 File Viewer window The file viewer displays the contents of the FORMAN 17 file that has been opened and allows you to view curveset data and select individual curves for display Each line represents an individual curve which may be selected or de selected by clicking on it or by holding the mouse button down and dragging a selection box over the curves to select de select several at a time The Shift key can also be pressed when clicking to select multiple curves 60 No of Curves Selected This value represents the total number of curves that have 32 Section 5 FYCD Reference been selected 61 Curveset Selection form Opening a FORMAN 1 file by class definition allows you to select curves from a curveset file by the factors that stratify them On this form you choose the forest classes site types and management units of the desired curves 62 Forest Class window This window displays the list of forest classes in the forest class file Forest classes are selected by clicking on the desired forest class name by holding the mouse button down and dragging a selection box over several forest classes or by multiple selection using the mouse along with the Shift or Ctrl keys 63 Site Type window This window displays the list of site tyoe values found in the forest class file Site types are selected by clicking on the desired one by holding the mouse button down and dragging a selection box over the value

FORESTER'S YIELD CURVE DESIGNER v1.0 USER'S GUIDE

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