Evaluating revised biomass equations: are some forest types more equivalent than others?

Carbon Balance and Management
Coeli M Hoover, James E Smith

Abstract

In 2014, Chojnacky et al. published a revised set of biomass equations for trees of temperate US forests, expanding on an existing equation set (published in 2003 by Jenkins et al.), both of which were developed from published equations using a meta-analytical approach. Given the similarities in the approach to developing the equations, an examination of similarities or differences in carbon stock estimates generated with both sets of equations benefits investigators using the Jenkins et al. (For Sci 49:12-34, 2003) equations or the software tools into which they are incorporated. We provide a roadmap for applying the newer set to the tree species of the US, present results of equivalence testing for carbon stock estimates, and provide some general guidance on circumstances when equation choice is likely to have an effect on the carbon stock estimate. Total carbon stocks in live trees, as predicted by the two sets, differed by less than one percent at a national level. Greater differences, sometimes exceeding 10-15 %, were found for individual regions or forest type groups. Differences varied in magnitude and direction; one equation set did not consistently produce a higher or lower estimate than the other. Biomass estimates fo...Continue Reading

References

May 5, 2005·Tree Physiology·Andrew P RobinsonJohn D Marshall
Jun 23, 2006·Analytical and Bioanalytical Chemistry·Shixia FengRudolf Guilbaud
May 5, 2010·Ecological Applications : a Publication of the Ecological Society of America·S DoreA Finkral
Apr 12, 2011·Carbon Balance and Management·Susanna L MelsonJames B Domingo

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Citations

Jan 25, 2018·Ecological Applications : a Publication of the Ecological Society of America·Garrett W Meigs, William S Keeton
Mar 21, 2017·Annals of Global Health·Alexander Plum, Linda Kaljee

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Software Mentioned

NED
Forest Vegetation Simulator
TOST

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