中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Soil organic matter under different forest types in southern China

文献类型:期刊论文

作者Wang, QK ; Wang, SL
刊名GEODERMA
出版日期2007
卷号142期号:3-4页码:349-356
关键词hot-water extractable organic matter cold-water extractable organic matter microbial biomass broadleaved forest coniferous plantation
ISSN号0016-7061
通讯作者Wang, QK, Chinese Acad Sci, Inst Appl Ecol, Huitong Expt Stn Forest Ecol, Shenyang 110016, Peoples R China
中文摘要Conversion of native broadleaved forests to pure coniferous plantation is a common management practice driven by an increasing demand for timber production. A study was conducted to evaluate the impact of land-use change from native broadleaved forest to pure coniferous plantation on soil organic matter quantity and quality in San Menjiang Forest, in southern China. Additionally, the potential of hot-water extractable organic matter as an indicator of changes in SOM was also assessed. Significant differences in labile SOM fractions (hot-water extractable organic C and total N, cold-water extractable organic C and total N, and microbial biomass C and N) between pure Cunninghamia lanceolata Hook plantation and native broadleaved forest were tested using ANOVA. The contents of soil organic C, total N, and labile organic matter such as hot-water extractable organic C and total N, cold-water extractable organic C and total N, and microbial biomass was significantly lower in pure C. lanceolata plantation than in native broadleaved forest. The percentage ratios of hot-water extractable organic C and N, cold-water extractable organic C, and microbial biomass C and N to soil organic C or total N were also significantly reduced in C. lanceolata plantation. Hot-water extractable organic C and total N were significantly correlated with cold-water extractable organic C and total N and microbial biomass C and N in both native broadleaved forest and pure coniferous plantation (r > 0.608, P < 0.01). The correlation coefficients between hot-water extractable organic matter and soil organic C or total N (r > 0.694, P < 0.01) were higher than that between cold-water extractable organic matter, microbial biomass and soil organic C or total N (r > 0.525, P < 0.05). Therefore, land-use change from native broadleaved forest to coniferous plantation reduced soil organic matter quantity and quality, and hot-water extractable organic matter can be used as an indicator of changes in SOM quality in forest soils. (C) 2007 Published by Elsevier B.V.
学科主题Soil Science
收录类别SCI
语种英语
WOS记录号WOS:000251470900013
公开日期2011-09-23
源URL[http://210.72.129.5/handle/321005/54561]  
专题沈阳应用生态研究所_沈阳应用生态研究所_期刊论文
推荐引用方式
GB/T 7714
Wang, QK,Wang, SL. Soil organic matter under different forest types in southern China[J]. GEODERMA,2007,142(3-4):349-356.
APA Wang, QK,&Wang, SL.(2007).Soil organic matter under different forest types in southern China.GEODERMA,142(3-4),349-356.
MLA Wang, QK,et al."Soil organic matter under different forest types in southern China".GEODERMA 142.3-4(2007):349-356.

入库方式: OAI收割

来源:沈阳应用生态研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。