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题名: Trophic fingerprint of fish communities in subtropical floodplain lakes
作者: Zhang, Huan1, 2; Zhang, Huan3; Wu, Gongguo1, 2; Zhang, Peiyu1, 2; Xu, Jun1
通讯作者: Xu, J (reprint author), Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Peoples R China.
关键词: trophic position ; stable isotope ; dietary ; fish ; benthic ; omnivory ; habitat coupling ; feeding guild ; trophic relationship
刊名: ECOLOGY OF FRESHWATER FISH
发表日期: 2013-04-01
DOI: 10.1111/eff.12022
卷: 22, 期:2, 页:246-256
收录类别: SCI
文章类型: Article
部门归属: [Zhang, Huan ; Wu, Gongguo ; Zhang, Peiyu ; Xu, Jun] Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China ; [Zhang, Huan ; Wu, Gongguo ; Zhang, Peiyu] Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China ; [Zhang, Huan] Huazhong Agr Univ, Coll Fisheries, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [31170439, 30870428]; Water Pollution Control and Management Project of China [2012ZX07101-001-04]
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: Stable nitrogen isotope ratios (15N) and gut content analysis are commonly used to detect trophic relationships in aquatic systems. Nonetheless, the use of 15N in determining the suitability of quantitative and qualitative dietary data as representations of trophic relationships in lake ecosystems remains unverified. Quantitative and qualitative dietary data on 46 fish species were obtained from field surveys in the floodplain lakes of the Yangtze Plain to calculate trophic position and benthivory. Dietary measures using the stable isotope approach were validated. The dietary approach yields comparable results in detecting trophic relationships in lake ecosystems. Our estimation of the benthivory of the 46 fish species ranged from 1.5% to 100%, with an average of 60.3%. These figures support the assumption that benthic energy pathways account for more than half of total fish consumption. Our feeding guild data confirm that more than 50% (including 25 species) of the studied fish species in the floodplain lakes of the Yangtze Plain are omnivorous, suggesting that omnivory is prevalent among subtropical floodplain lakes.
英文摘要: Stable nitrogen isotope ratios (15N) and gut content analysis are commonly used to detect trophic relationships in aquatic systems. Nonetheless, the use of 15N in determining the suitability of quantitative and qualitative dietary data as representations of trophic relationships in lake ecosystems remains unverified. Quantitative and qualitative dietary data on 46 fish species were obtained from field surveys in the floodplain lakes of the Yangtze Plain to calculate trophic position and benthivory. Dietary measures using the stable isotope approach were validated. The dietary approach yields comparable results in detecting trophic relationships in lake ecosystems. Our estimation of the benthivory of the 46 fish species ranged from 1.5% to 100%, with an average of 60.3%. These figures support the assumption that benthic energy pathways account for more than half of total fish consumption. Our feeding guild data confirm that more than 50% (including 25 species) of the studied fish species in the floodplain lakes of the Yangtze Plain are omnivorous, suggesting that omnivory is prevalent among subtropical floodplain lakes.
关键词[WOS]: FOOD-CHAIN LENGTH ; STABLE-ISOTOPES ; NITROGEN ISOTOPE ; OMNIVOROUS FISH ; ECOSYSTEMS ; POSITION ; CARBON ; WEBS ; ASSEMBLAGES ; RESERVOIR
语种: 英语
WOS记录号: WOS:000316283000008
ISSN号: 0906-6691
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19288
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
3.Huazhong Agr Univ, Coll Fisheries, Wuhan 430072, Peoples R China

Recommended Citation:
Zhang, H; Zhang, H; Wu, GG; Zhang, PY; Xu, J.Trophic fingerprint of fish communities in subtropical floodplain lakes,ECOLOGY OF FRESHWATER FISH,2013,22(2):246-256
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