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Canadian National Tree Aboveground Biomass Equations by M-C Lambert; C-H Ung; F Raulier is a Environmental Science article available to read on EtoBox.

What is Canadian National Tree Aboveground Biomass Equations about?

The estimation of aboveground biomass density (organic dry mass per unit area) is required for balancing Canadian national forest carbon budgets. Tree biomass equations are the basic tool for converting inventory plot data into biomass density. New sets of national tree biomass equations have therefore been produced from archival biomass data collected at the beginning of the 1980s through the ENergy from the FORest research program (ENFOR) of the Canadian Forest Service. Since the sampling plan was not standardized among provinces and territories, data had to be harmonized before any biomass equation could be considered at the national level. Two features characterize the new equations: estimated biomass of the compartments (foliage, branch, wood, and bark) are constrained to equal the total biomass, and dependence among error terms for the considered compartments of the same tree is taken into account in the estimates of both the model parameters and the variance prediction. The estimation method known to economists as seemingly unrelated regression allowed the inclusion of dependencies among the error terms of the considered biomass compartments. Sets of equations based on dia

Who reads Canadian National Tree Aboveground Biomass Equations?

Author

M-C Lambert; C-H Ung; F Raulier

Publisher

Canadian Science Publishing

Published

2005

Language

EN

Field

Environmental Science (Physical Sciences)