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- Title
Effects of understory removal and tree girdling on soil microbial community composition and litter decomposition in two Eucalyptus plantations in South China.
- Authors
Wu, Jianping; Liu, Zhanfeng; Wang, Xiaoling; Sun, Yuxin; Zhou, Lixia; Lin, Yongbiao; Fu, Shenglei
- Abstract
Summary 1. Soil micro-organisms play important roles in ecosystems and respond quickly to environmental changes. We examined how understory removal and tree girdling influence the composition of soil microbial community and the litter decomposition in two subtropical plantations. 2. Phospholipid fatty acids (PLFAs) analysis was used to characterize soil microbial community. Redundancy analysis and principal response curves (PRC) were used to investigate the relationships between soil microbial community and environmental factors. 3. Understory removal significantly reduced the amount of fungal PLFAs, the ratio of fungal to bacterial PLFAs, and the litter decomposition but did not affect bacterial PLFAs and total PLFAs. In contrast, tree girdling did not affect the soil microbial characteristics. The changes in soil microbial community caused by understory removal were mainly attributed to the indirect effects such as increased soil temperature and soil NO
- Subjects
CHINA; SOIL microbial ecology; TREE girdling; SOIL composition; BIODEGRADATION; EUCALYPTUS; SOIL temperature; PHOSPHOLIPIDS
- Publication
Functional Ecology, 2011, Vol 25, Issue 4, p921
- ISSN
0269-8463
- Publication type
Article
- DOI
10.1111/j.1365-2435.2011.01845.x