Title: Component biomass equations for black spruce in Maine
Author: Czapowskyj, M. M.; Robison, D. J.; Briggs, R. D.; White, E. H.; White, E. H.
Source: Res. Pap. NE-564. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station.7 p.
Publication Series: Research Paper (RP)
Description: Component biomass prediction equations are presented for young black spruce (Picea mariana B.S.P. (Mill,:)) in northern Maine. A weighted least squares model was used to construct the eq~iationsfo r small trees from 1 to 15 cm d.b.h., and an ordinary least squares model for trees less than 2 m in height. A linearized allometric model was also tested but was not used. Equations were developed for oven-dry needle, branch, bolewood, bolebark, aboveground, root, and complete tree biomass components. Aboveground components accounted for approximately 80 percent, and stump (less than 6 cm in height) plus roots accounted for 20 percent of the complete tree oven-dry biomass accumulation.
Keywords: black spruce, biomass distribution
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Czapowskyj, M. M.; Robison, D. J.; Briggs, R. D.; White, E. H. 1985. Component biomass equations for black spruce in Maine. Res. Pap. NE-564. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station.7 p.
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