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Development and validation of aboveground biomass estimations for four Salix clones in central New York by Carmela B.M. Arevalo; Timothy A. Volk; Eddie Bevilacqua; Lawrence Abrahamson is a Engineering article available to read on EtoBox.

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Commercial and research scale plantings of short-rotation woody crops require reliable and efficient estimations of biomass yield before time of harvest. Biomass equations currently exist but the accuracy and efficiency of estimation procedures at the level of specificity needs to be quantified for clones being used in North America. Diameter-based allometric equations for aboveground biomass for four clones of willow (Salix discolor, Salix alba, Salix dasyclados, and Salix sachalinensis), between two sites (Canastota and Tully, NY), and across four years (1998)(1999)(2000)(2001), were developed using ordinary least-squares regression (OLSR) on log-transformed variables, weighted least squares regression (WLSR) on log-transformed variables, and nonlinear regression (NLR) methods and validated using independent data sets. Biomass estimations derived from clone, age, and site (Specific) using OLSR equations had highest R 2 and lowest percent bias (o2.3%) allowing for accurate estimations of standing biomass. Values for specific equations using WLSR were similar, but bias was higher for NLR (0.7-12.5%). However, the amount of time and effort required to develop specific equations, is

Who reads Development and validation of aboveground biomass estimations for four Salix clones in central New York?

Author

Carmela B.M. Arevalo; Timothy A. Volk; Eddie Bevilacqua; Lawrence Abrahamson

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0961-9534)

Published

2007

Language

EN

Field

Engineering (Physical Sciences)