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雪灾对武夷山毛竹林凋落物分解和养分释放的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年06期
Page:
69-72
Column:
研究论文
publishdate:
2013-11-27

Article Info:/Info

Title:
Effect of the snow storm on the leaf litter decomposition and its nutrients releasing of Phyllostachys edulis ecosystem in the Wuyi Mountains
Article ID:
1000-2006(2013)06-0069-04
Author(s):
XU Hanmei RUAN Honghua*
Jiangsu Key Laboratory of Forestry and Ecological Engineering, Nanjing Forestry University, Nanjing 210037, China
Keywords:
snow storm Phyllostachys edulis forest leaf litter decomposition nutrient release
Classification number :
S718
DOI:
10.3969/j.issn.1000-2006.2013.06.014
Document Code:
A
Abstract:
In order to understand the effect of snow storm on cycle of matter and energy flow in Wuyi Mountains, the big litterbag method was used for studying the dynamics of leaf litter decomposition in different damaged level bamboo forests over two years. The results showed that the leaf litter decomposition rates increased significantly with the damaged level. The order of C, N, P and K release rates in different bamboo forests was heavy level>middle level>low level, C, N, K release rates in heavy level sites were significantly faster than that in middle and low level sites. However, there was no significant difference of P releasing rate among different damaged level sites. The K element released the fastest among the four elements. The results also indicated that snow storm might accelerate leaf litter decomposition rate and nutrients release in the bamboo forest.

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Last Update: 2013-11-30