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亚热带常绿阔叶林不同林龄细根生物量及其养分

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

Issue:
2008年05期
Page:
81-84
Column:
研究论文
publishdate:
2008-09-30

Article Info:/Info

Title:
Fine-root biomass and related nutrients in different aged stands of subtropical evergreen broad-leaved forest
Article ID:
1000-2006(2008)05-0081-04
Author(s):
LIU Bo YU Yan-feng ZHANG Yun-qi XU Xiao-niu*
College of Forestry andLandscape Architecture Anhui Agrieuhural University, Hefei 230036, China
Keywords:
Subtropical evergreen hroadleaved forest Fine-root biomass Nutrient contents Nutrient storage
Classification number :
S718.5
DOI:
10.3969/j.jssn.1000-2006.2008.05.016
Document Code:
A
Abstract:
In order to understand the the of fine-root in forest ecosystems, fine-root biomass and related nutrients in a subtropical forest were sludied in Xiaokeng forested watershed of Southern Anhui. The results showed that the fine-root biomass was greater in the surface soil layer thau that in the low ones in all sampling stands. The contents of N, P and K in fine-root gradoally decreased from surface to low soil layer, and so were the storages of N, P and K in fine-root too. Along a successional gradient nf the secondary evergreen broad-leaved forest, the fine-root biomass increased with an inerease nf staud age. There existed significant difference in fine-root biomass between different aged stands. The content of P in flue-root was higher iu the young stand than that in the old stand. The contents of N, P and K in fine-root were signifieamly different between differcnt aged stands of subtropical evergreen broad-leaved tbrest.

References

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Last Update: 2013-05-20