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题名: Nitrogen fixation of epiphytic plants enwrapping trees in Ailao Mountain cloud forests, Yunnan, China
作者: Han, Bin1, 2; Zou, Xiaoming2; Kong, Jijun3; Sha, Liqing2; Gong, Hede1, 2; Yu, Zhen4; Cao, Tong5
刊名: PROTOPLASMA
关键词: Epiphytic plants ; Subtropical forest ; Nitrogen fixation ; Ailao Mountain ; China
英文摘要: Epiphytic plants play an important role in the nutrient cycle of forest ecosystems. There had been fewer studies in subtropical regions than in other climate zones. Prior research showed that the canopy epiphyte could fix nitrogen combined with microorganism in tropical forest. The epiphytic plants enwrapping trees in canopy layer are very abundant in the subtropical mountainous cloud forest of Ailao Mountain (central and southern Yunnan Province, SW China). This forest lacks widespread nitrogen-fixing plants, and the nitrogen origin is elusive. Maybe there also exist such nitrogen-fixing systems in epiphyte community. Nitrogen-fixing potentials of canopy epiphytes increased greatly from dry season to wet season. There occurred an obvious difference on the epiphytic nitrogen fixation abilities between upper canopy layer and sub-canopy layer in alternant period between wet season and dry season. Epiphytic nitrogen-fixing potentials for the subtropical moist forest in Ailao Mountains ranged between 0.027 and 2.24 kg ha(-1) year(-1). Our results indicate that the canopy epiphytes in the subtropical moist forest of Ailao Mountains can fix a significant amount of atmospheric nitrogen. This finding suggests a new nitrogen source for the subtropical forest ecosystem, thus can have profound impact on the studies of nitrogen cycling.
出版日期: 2010-11-01
卷号: 247, 期号:1-2, 页码:103-110
DOI标识: 10.1007/s00709-010-0150-8
语种: 英语
收录类别: SCI
学科分类: Plant Sciences; Cell Biology
ISSN号: 0033-183X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/15374
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
2.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan Province, Peoples R China
3.Yunnan Acad Forestry, Kunming 650204, Yunnan, Peoples R China
4.Chinese Acad Sci, Kunming Bot Inst, Kunming 650204, Yunnan, Peoples R China
5.Shanghai Normal Univ, Shanghai 201418, Peoples R China

Recommended Citation:
Han, Bin; Zou, Xiaoming; Kong, Jijun; Sha, Liqing; Gong, Hede; Yu, Zhen; Cao, Tong.Nitrogen fixation of epiphytic plants enwrapping trees in Ailao Mountain cloud forests, Yunnan, China,PROTOPLASMA,2010,247(1-2):103-110
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