Author： Gower Stith T. Chapman Jonathan W. Volin John C. Hagen Adrian E.
Publisher： Society of American Foresters
ISSN： 0742-6348
Source： Northern Journal of Applied Forestry, Vol.8, Iss.1, 1991-03, pp. : 26-28
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Abstract
Red and white pine, European larch and Norway spruce were destructively harvested from 27-year-old plantations in southwestern Wisconsin and regression equations were developed to estimate stem biomass accumulation rates for the four species. Total stem biomass accumulation differed significantly (P < 0.05) among the four species and ranged from 51.8 tons/ac for Norway spruce to 75.1 tons/ac for European larch. Annual stem biomass increment also differed among the four species and was significantly greater (P < 0.001) in 1987 than 1988 for all four conifers. The large decrease in tree growth was attributed to the severe drought of 1988. North J. Appl. For. 8(1):26-28
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