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Select CD : computer support system for making tree species and reproduction cutting decisions in the.. Klinka, Karel; Varga, Pal; Chourmouzis, Christine 1999-04-11

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Scientia Silvica Extension Series, Number  14, 1999SELECT CDComputer Support System for Making Tree Speciesand Reproduction Cutting Decisions in the Coastal Forest of BCWhat is SELECT CD?Selection of tree species and reproduction methods are critical stand level decisions which affect the utility,productivity, health and visual qualities of the forest.  The selections of appropriate tree species, regenerationcutting, and reproduction method are not independent, but rather interconnected decisions.For nearly every site condition there are several tree species/reproduction options available depending on thecharacteristics of existing stands and management goals.  However, the current guides are too general and do notexplicitly provide all ecologically viable options.SELECT CD is a site-specific, decision-support tool for selecting ecologically viable tree species, reproductioncuttings, and regeneration methods in the coastal forest (CDF, CWH, and MH zones).  SELECT CD integratesinformation from several existing guides with new information from literature and recent research into a single,user-friendly resource.  SELECT CD also includes a rich library of visuals and an illustrated glossary of technicalterms.What does SELECT CD look like?Since SELECT CD provides site-specific information, first the site has to be identified.  The basic site unit is site modifierindicating a major departure from the typical topographic and soil conditions within a site series.  The Site Identificationand Diagnostic Characteristics sections provide help in identifying the site series and modifier.  The Tree Species andReproduction Method Options section provides tree species, regeneration cutting, and reproduction method options.  TheGeneral Interpretations section summarizes site and species specific issues managers should be aware of.  Figure 1 showsthe general process of using SELECT CD, although each section can be accessed independently.Throughout the program there are hyperlinks to other relevant information or definition of terms.  All information withinSELECT CD, with the exception of visuals, is available in rich text files. These files can be opened in most word processingsoftware where they can be printed, copied, or edited.Figure 1. Structure of the CD-ROMSite IdentificationTree Species and Reproduction OptionsDiagnosticCharacteristics General InterpretationsGlossaryNotesFigure 2.  Screen shot of diagnostic characteristics.Figure 3.  Screen shot of tree species options screen.Scientia Silvica  is published by the Forest Sciences Department,The University of British Columbia, ISSN 1209-952XCD-ROM developed by: Karel Klinka (klinka@interchange.ubc.ca) and Pal Varga(pvarga@interchange.ubc.ca)Extention series editor: Karel KlinkaExtention series produced and designed by: Christine Chourmouzis (chourmou@interchange.ubc.ca)Financial support: Forest Renewal British ColumbiaCopies available from: www.forestry.ubc.ca/klinka, orK. Klinka, Forest Sciences Department, UBC,270-2357 Main Mall, Vancouver, BC, V6T 1Z4Site IdentificationSite identification starts with selecting the appropriate zone, subzone, and site series.  Site series is selected using an edatopicgrid as in the field guide.  Site modifier is identified by answering a series of questions.Diagnostic CharacteristicsDiagnostic characteristics provide a summary  of distribution, soil, SNR-SMR ranges, modifiers as well as visuals ofvegetation for each site series (Figure 2).Tree Species and Reproduction Method OptionsThe tree species and reproduction options section recommends for each site series or site modifier:  tree species composition;tree distribution pattern; expected stand structure;  reproduction method; and regeneration method.  The options are organizedaccording to the cutting method.  SELECT CD also recommends specific options based on the site modifier and the currentstand conditions (Figure 3).General InterpretationsThis section provides for each site series/modifier a summary of management issues.  The summary includes:  viable treespecies;  potential productivity (site index values where available);  major growth constraints;  sensitivity to slashburning andcompaction;  potential vegetation competition; potential hazards; and suitability for timber production.Glossary and NotesThe glossary provides explanations and visuals for the terms used, and can be accessed through links or through theGlossary button. The Notes section provides more extensive information on selected topics, like partial cutting in the MHzone, natural regeneration of amabilis fir, and hardwood nurse-tree species.How to obtain SELECT CDSELECT CD can be purchased for $50 (includes tax and shipping within Canada).  Please note that the price does notcontain any royalties: all proceeds are used to defray the costs of duplication and the development of updates or newversions.  Please make cheques or money orders payable to ?UBC, Dept. of Forest Sciences? and send to the addressbelow.  For more information contact K. Klinka or P. Varga.ReferenceKlinka, K. and P. Varga. 1999. SELECT CD  -  A computer support system for making tree species and reproductioncutting descisions in the coastal forest of British Columbia. Forest Sciences Department, UBC, Vancouver, BC.


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