Journal of Food, Agriculture and Environment
Vol 11,
Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Biomass allocation pattern and allometric model of Populus davidiana and Pinus tabulaeformis Carr in warm temperate zone of China
Author(s):
Ning Wang 1,2,
Baitian Wang 1*, Ruijun Wang 1, Xiaoyang Cao 1, Wenjing Wang 1, Lu Chi 1Recieved Date: 2013-07-10, Accepted Date: 2013-10-16
Abstract:The whole plant harvest method has been adopted to analyze the allocation pattern for the biomass of each component, aboveground and belowground part of Populus davidiana and Pinus tabulaeformis Carr., which is important constructive species in warm temperate zone of China. The results have shown that: (1) The biomass allocation of the leaf, branch, stem and root of the Populus davidiana are 3.42%, 11.23%, 64.30% and 21.06%, respectively, while for the Pinus tabulaeformis Carr, they are 13.44%, 9.86%, 47.52% and 19.18%. The biomass of aboveground and belowground part between the Populus davidiana and Pinus tabulaeformis Carr are 3.32:1 and 3.99:1, respectively. (2) There is an obvious linear correlation between the aboveground and belowground biomass of Populus davidiana and Pinus tabulaeformis Carr (P<0.001). (3) The biomass models have been selected for the leaf, branch, stem, root, aboveground part and the whole plant. The best fitting models for the biomass of each component in Populus davidiana and Pinus tabulaeformis Carr are all CAR type, with an interpretation over 92%. The interpretations for single-variant model of each component all reach or even exceed 90% based on the DBH of Populus davidiana and Pinus tabulaeformis Carr, excluding the leaf (interpretation >83%), while the height of the tree is not applicable for measuring the biomass of each components.
Keywords:Biomass allocation,
allometric model, Populus davidiana, Pinus tabulaeformis Carr, warm temperate zone, Shanxi province, ChinaJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 1526-1530
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