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学科主题: Marine & Freshwater Biology
题名: Temperature-Dependent Growth and Life Cycle of Nemoura sichuanensis (Plecoptera: Nemouridae) in a Chinese Mountain Stream
作者: Li, Fengqing1, 2; Cai, Qinghua1; Liu, Jiankang1
通讯作者: Cai, QH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
关键词: Nemoura sichuanensis ; univoltine ; temperature-dependent ; growth Xiangxi River
刊名: INTERNATIONAL REVIEW OF HYDROBIOLOGY
发表日期: 2009
DOI: 10.1002/iroh.200911180
卷: 94, 期:5, 页:595-608
收录类别: SCI
文章类型: Article
部门归属: [Li, Fengqing; Cai, Qinghua; Liu, Jiankang] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China; [Li, Fengqing] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Chinese Academy of Sciences [KZCX2-YW-427]; National Natural Science Foundation of China [30330140]
类目[WOS]: Marine & Freshwater Biology
研究领域[WOS]: Marine & Freshwater Biology
摘要: Plecoptera constitute a numerically and ecologically significant component in mountain streams all over the world, but little is known of their life cycles in Asia. The life cycle of Nemoura sichuanensis and its relationship to water temperature was investigated during a 4-year study in a headwater stream (known as the Jiuchong torrent) of the Xiangxi River in Central China. Size structure histograms suggest that the life cycle was univoltine, and the relationships between the growth of Nemoura sichuanensis, physiological time, and effective accumulated water temperature were described using logistic regressions. The growth pattern was generally similar within year classes but growth rates did vary between year-classes. Our field data suggest a critical thermal threshold for emergence in Nemoura sichuanensis, that was close to 9 degrees C. The total number of physiological days required for completing larval development was 250 days. The effective accumulated water temperature was 2500 degree-days in the field. Development during the life cycle increased somewhat linearly with the physiological time and the effective accumulated water temperature, but some non-linear relationships were best developed by logistic equations.
英文摘要: Plecoptera constitute a numerically and ecologically significant component in mountain streams all over the world, but little is known of their life cycles in Asia. The life cycle of Nemoura sichuanensis and its relationship to water temperature was investigated during a 4-year study in a headwater stream (known as the Jiuchong torrent) of the Xiangxi River in Central China. Size structure histograms suggest that the life cycle was univoltine, and the relationships between the growth of Nemoura sichuanensis, physiological time, and effective accumulated water temperature were described using logistic regressions. The growth pattern was generally similar within year classes but growth rates did vary between year-classes. Our field data suggest a critical thermal threshold for emergence in Nemoura sichuanensis, that was close to 9 degrees C. The total number of physiological days required for completing larval development was 250 days. The effective accumulated water temperature was 2500 degree-days in the field. Development during the life cycle increased somewhat linearly with the physiological time and the effective accumulated water temperature, but some non-linear relationships were best developed by logistic equations.
关键词[WOS]: FRESH-WATER MACROINVERTEBRATES ; XIANGXI RIVER SYSTEM ; HISTORY PLASTICITY ; STONEFLIES PLECOPTERA ; ENVIRONMENTAL-FACTORS ; EGG DEVELOPMENT ; TROUT STREAM ; COMMUNITIES ; TRICHOPTERA ; EPHEMEROPTERA
语种: 英语
WOS记录号: WOS:000271120200006
ISSN号: 1434-2944
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7540
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Li, Fengqing; Cai, Qinghua; Liu, Jiankang.Temperature-Dependent Growth and Life Cycle of Nemoura sichuanensis (Plecoptera: Nemouridae) in a Chinese Mountain Stream,INTERNATIONAL REVIEW OF HYDROBIOLOGY,2009,94(5):595-608
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