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学科主题: Physical Geography; Geology
题名: Longitudinal patterns of macroinvertebrate functional feeding groups in a Chinese river system: A test for river continuum concept (RCC)
作者: Jiang, Xiaoming1, 2; Xiong, Jing1, 2, 3; Xie, Zhicai1; Chen, Yifeng1
通讯作者: Xie, ZC (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; zhcxie@ihb.ac.cn
关键词: ENVIRONMENTAL VARIABLES ; STREAM INVERTEBRATES ; NEOTROPICAL STREAMS ; COMMUNITY STRUCTURE ; LEAF-LITTER ; GRADIENT ; ECOSYSTEMS ; SHREDDERS ; RESPONSES ; DYNAMICS
刊名: QUATERNARY INTERNATIONAL
发表日期: 2011-11-15
DOI: 10.1016/j.quaint.2010.08.015
卷: 244, 期:2, 页:289-295
收录类别: SCI
文章类型: Article
部门归属: [Jiang, Xiaoming; Xiong, Jing; Xie, Zhicai; Chen, Yifeng] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Jiang, Xiaoming; Xiong, Jing] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Xiong, Jing] Hubei Environm Monitoring Ctr, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Physical Sciences
资助者: Chinese Academy of Sciences[KSCX2-YW-Z-0933]; Development Plan of the state Key Fundamental Research of China[2007CB109205]; CTGPC[IHB/CN/2007075]
类目[WOS]: Geography, Physical ; Geosciences, Multidisciplinary
研究领域[WOS]: Physical Geography ; Geology
摘要: During April of 2007, macroinvertebrate assemblages were sampled across 43 sites in the Chishui River system, located in southwestern China. The aims are two-fold: (i) to examine the degree to which macroinvertebrate functional feeding groups (FFGs) correspond to prediction of the river continuum concept (RCC), and (ii) to determine the relationships between environmental variables and FFG structure. A synthetic environmental factor (the first axis of a Principal Component Analysis of altitude, distance from source, channel width, and stream order) was used as a measure of stream longitudinal gradient to examine RCC prediction. The RCC prediction held for richness, shredders, and scrapers by decreasing and increasing. Collector-filters and predators did not present any significant trend along the longitudinal gradient. Collector-gatherers significantly increased along the Chishui river continuum, which seems not exactly fall into with the prediction of the RCC, but is accordant with the central RCC theme: longitudinal distributions of FFGs follow longitudinal patterns in basal resources. After redundancy analysis (RDA), four variables (altitude, channel width, silt and clay, and cobble) were significant predictors of community variance. The RCC generally applies to running waters on this subtropical Asian river system. Additional theoretical and field studies across a broad array of Asian streams could be done to refine RCC and FFG classification in the future. (C) 2010 Elsevier Ltd and INQUA. All rights reserved.
英文摘要: During April of 2007, macroinvertebrate assemblages were sampled across 43 sites in the Chishui River system, located in southwestern China. The aims are two-fold: (i) to examine the degree to which macroinvertebrate functional feeding groups (FFGs) correspond to prediction of the river continuum concept (RCC), and (ii) to determine the relationships between environmental variables and FFG structure. A synthetic environmental factor (the first axis of a Principal Component Analysis of altitude, distance from source, channel width, and stream order) was used as a measure of stream longitudinal gradient to examine RCC prediction. The RCC prediction held for richness, shredders, and scrapers by decreasing and increasing. Collector-filters and predators did not present any significant trend along the longitudinal gradient. Collector-gatherers significantly increased along the Chishui river continuum, which seems not exactly fall into with the prediction of the RCC, but is accordant with the central RCC theme: longitudinal distributions of FFGs follow longitudinal patterns in basal resources. After redundancy analysis (RDA), four variables (altitude, channel width, silt and clay, and cobble) were significant predictors of community variance. The RCC generally applies to running waters on this subtropical Asian river system. Additional theoretical and field studies across a broad array of Asian streams could be done to refine RCC and FFG classification in the future. (C) 2010 Elsevier Ltd and INQUA. All rights reserved.
关键词[WOS]: ENVIRONMENTAL VARIABLES ; STREAM INVERTEBRATES ; NEOTROPICAL STREAMS ; COMMUNITY STRUCTURE ; LEAF-LITTER ; GRADIENT ; ECOSYSTEMS ; SHREDDERS ; RESPONSES ; DYNAMICS
语种: 英语
WOS记录号: WOS:000296414300020
ISSN号: 1040-6182
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16391
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Hubei Environm Monitoring Ctr, Wuhan 430072, Peoples R China

Recommended Citation:
Jiang, Xiaoming; Xiong, Jing; Xie, Zhicai; Chen, Yifeng.Longitudinal patterns of macroinvertebrate functional feeding groups in a Chinese river system: A test for river continuum concept (RCC),QUATERNARY INTERNATIONAL,2011,244(2):289-295
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