CONVERSION RATES OF COMPONENTS OF STANDS PHYTOMASS OF NATIONAL NATURE PARK "PRYPIAT-STOKHID"

O.М. Melnyk

Abstract


According to the results of field and laboratory researches that were processed on the computer using special application programs such as MS Excel table processor, STATISTICA-8 statistic program, we gathered and analyzed the database of main forest forming species of National Nature Park "Prypiat-Stohid", which was further used for informational providing and developing of multiple regression equations. The set of mathematical models of estimation of conversion rates of stands phytomass according to its separate components (trunk wood in bark, bark of trunk, branches of crown and leaves (needles)) was processed. We found the regression equations that connect phytomass of the stand in fractions with taxation indexes for such tree species as European black alder, common pine, drooping birch and common oak.

Keywords


National Nature Park "Prypiat-Stohid"; stand; age; relative density; forest capacity; biotic productiveness; modeling; conversion rates; regression rates

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