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Title: | Litter Decomposition and Nutrient Release in a Tropical Seasonal Rain Forest of Xishuangbanna, Southwest China1 |
Authors: | Zheng, Zheng Shanmughavel, P. Min Cao, Liqing Sha Warren, Matthew |
Issue Date: | 2006 |
Publisher: | The Association for Tropical Biology and Conservation |
Series/Report no.: | BIOTROPICA;38(3): 342–347 |
Abstract: | We studied litter decomposition and nutrient release in a tropical seasonal rain forest of Xishuangbanna, Southwest China. The monthly decay rates (k) of leaf litter ranged from 0.02 to 0.21/mo, and correlated with rainfall and soil moisture. Annual k values for leaf litter (1.79/yr) averaged 4.2 times of those for coarse wood (2.5–3.5 cm in diameter). The turnover coefficients of forest floor mass (annual litterfall input/mean floor mass) were: 4.11/yr for flowers and fruits, 2.07/yr for leaves, and 1.17/yr for fine wood (≤2 cm in diameter), with resident time decreasing from fine woods (0.85 yr) to leaves (0.48 yr) and to flower and fruits (0.24 yr). Nutrient residence times in the forest floor mass were ranked as: Ca (1.0 yr) > P (0.92 yr) > Mg (0.64 yr) > N (0.36 yr) > K (0.31 yr). Our data suggest that rates of litter decomposition and nutrient release in the seasonal rain forest of Xishuangbanna are slower than those in typical lowland rain forests, but similar to those in tropical semideciduous forests. |
URI: | http://hdl.handle.net/123456789/765 |
ISSN: | 1744-7429.2006.00151.x |
Appears in Collections: | Carbon + Biomass Publications |
Files in This Item:
File | Description | Size | Format | |
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W020090810521219308179_Litter decomposition and nutrient release in a tropical seasonal rain forest.pdf | 124.42 kB | Adobe PDF | View/Open |
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