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Primary consumers as bioindicator of nitrogen pollution in lake planktonic and benthic food webs
Xu, Jun2; Zhang, Min1; Zhang, M (reprint author), Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
2012-03-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume14Issue:1Pages:189-196
AbstractThe increased nitrogen loading from anthropogenic sources has affected aquatic ecosystems and has cascaded through food webs worldwide. Therefore, the evaluation of ecological impacts of anthropogenic nitrogen has become increasingly important. In this paper, we investigated the effect of nutrient enrichment in the planktonic and benthic food webs of a hypereutrophic urban lake using stable nitrogen isotope analysis. The stable isotope mixing model revealed that zooplanktons rely mainly on planktonic nitrogen, and that Chironomus and Oligochaete rely mainly on benthic nitrogen. The stable nitrogen isotope signatures of seston and the sediment organic matter can be a sensitive indicator, because they are correlated with the nitrogen content of water and sediment. Furthermore, the relationships between the stable nitrogen isotope values of primary production and primary consumers indicate that polluted nitrogen has transferred through the planktonic and benthic food webs, respectively. For primary consumers, the stable nitrogen isotope values of zooplanktons were correlated to nitrogen concentrations of water, and the stable nitrogen values of Chironomus and Oligochaete were correlated to the nitrogen content of sediment, respectively. This finding indicates that these primary consumers can be used as promising bioindicators of the anthropogenic nitrogen input in planktonic and benthic food webs, respectively. Our results suggest that stable nitrogen isotope of primary consumers can act as bioindicators to detect the dispersal patterns of anthropogenic contamination and understand the incorporation into and movement of waste nitrogen in pelagic and benthic food chains. (C) 2011 Elsevier Ltd. All rights reserved.; The increased nitrogen loading from anthropogenic sources has affected aquatic ecosystems and has cascaded through food webs worldwide. Therefore, the evaluation of ecological impacts of anthropogenic nitrogen has become increasingly important. In this paper, we investigated the effect of nutrient enrichment in the planktonic and benthic food webs of a hypereutrophic urban lake using stable nitrogen isotope analysis. The stable isotope mixing model revealed that zooplanktons rely mainly on planktonic nitrogen, and that Chironomus and Oligochaete rely mainly on benthic nitrogen. The stable nitrogen isotope signatures of seston and the sediment organic matter can be a sensitive indicator, because they are correlated with the nitrogen content of water and sediment. Furthermore, the relationships between the stable nitrogen isotope values of primary production and primary consumers indicate that polluted nitrogen has transferred through the planktonic and benthic food webs, respectively. For primary consumers, the stable nitrogen isotope values of zooplanktons were correlated to nitrogen concentrations of water, and the stable nitrogen values of Chironomus and Oligochaete were correlated to the nitrogen content of sediment, respectively. This finding indicates that these primary consumers can be used as promising bioindicators of the anthropogenic nitrogen input in planktonic and benthic food webs, respectively. Our results suggest that stable nitrogen isotope of primary consumers can act as bioindicators to detect the dispersal patterns of anthropogenic contamination and understand the incorporation into and movement of waste nitrogen in pelagic and benthic food chains. (C) 2011 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordStable Nitrogen Isotope Seston Sedimentary Organic Matter Zooplankton Chironomus Oligochaete Anthropogenic Nitrogen Bioindicator Biomonitoring Eutrophication Lake
Department[Zhang, Min] Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China; [Xu, Jun] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
DOI10.1016/j.ecolind.2011.02.012
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences ; National Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences ; National Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences ; National Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences
Indexed BySCI
Language英语
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS IDWOS:000297564600023
WOS KeywordSTABLE-ISOTOPE SIGNATURES ; FRESH-WATER SYSTEMS ; EUTROPHIC LAKE ; ORGANIC-MATTER ; TROPHIC STATE ; RATIOS ; INDICATORS ; DELTA-N-15 ; BAY ; VARIABILITY
Funding OrganizationNational Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences ; National Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences ; National Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences ; National Basic Research Program of China[2008CB418001-1, 2007CB109205]; National Natural Science Foundation of China[30870428]; Water Pollution Control and Management Project of China[2008ZX07101-001]; State Key Laboratory of Lake Science and Environment; K.C. Wong Education Foundation; Chinese Academy of Sciences
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16721
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorZhang, M (reprint author), Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
Affiliation1.Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Xu, Jun,Zhang, Min,Zhang, M . Primary consumers as bioindicator of nitrogen pollution in lake planktonic and benthic food webs[J]. ECOLOGICAL INDICATORS,2012,14(1):189-196.
APA Xu, Jun,Zhang, Min,&Zhang, M .(2012).Primary consumers as bioindicator of nitrogen pollution in lake planktonic and benthic food webs.ECOLOGICAL INDICATORS,14(1),189-196.
MLA Xu, Jun,et al."Primary consumers as bioindicator of nitrogen pollution in lake planktonic and benthic food webs".ECOLOGICAL INDICATORS 14.1(2012):189-196.
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