Spatial heterogeneity of food web structure in a large shallow eutrophic lake (Lake Taihu, China): implications for eutrophication process and management | |
Xu, Delin1; Wang, Yan1; Liu, Dong1; Wu, Dan1; Zou, Changxin1; Chen, Yushun2; Cai, Ying3; Leng, Xin4; An, Shuqing4 | |
刊名 | JOURNAL OF FRESHWATER ECOLOGY |
2019 | |
卷号 | 34期号:1页码:231-247 |
关键词 | Food web stable isotope mixing model large shallow lake Lake Taihu |
ISSN号 | 0270-5060 |
DOI | 10.1080/02705060.2019.1581101 |
英文摘要 | The knowledge of food web spatial heterogeneity is important for ecologists and lake managers to understand ecosystem complexity and lake management. Lake Taihu, a large shallow eutrophic lake in China, has two distinct zones: algae- and macrophyte-dominated. In this study, we assessed the spatial heterogeneity of food webs in the two lake zones using stable isotope analysis and isotope mixing model. The basal sources and consumers showed significant differences in delta C-13 and delta N-15 ratios between the two lake zones, except for the filter-feeding fishes. Overall, more delta C-13-depleted and delta N-15-enriched ratios were found in the algae- than the macrophyte-dominated zones for basal sources and consumers. Although the consumers in the algae-dominant zone had higher average delta N-15 values, the food web of the macrophyte-dominated zone had longer food chain length and more diverse trophic linkages. These spatial differences may have resulted from resource availability and environmental stress of Lake Taihu ecosystem. Factors associated with spatial trophic heterogeneity should be considered for the management and restoration of this shallow eutrophic lake. |
资助项目 | National Key R&D Program of China[2017YFC0506606] ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China[GYZX180201] ; Municipal Natural Science Foundation of Jiangsu Province[BK20170112] |
WOS关键词 | ALTERNATIVE STABLE STATES ; ECOLOGICAL RISK-ASSESSMENT ; ISOTOPE ANALYSIS ; REGIME SHIFTS ; TEMPORAL TRENDS ; LONG-TERM ; ENVIRONMENTAL-FACTORS ; TROPHIC STRUCTURE ; ORGANIC-MATTER ; COMMUNITY |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
语种 | 英语 |
出版者 | TAYLOR & FRANCIS INC |
WOS记录号 | WOS:000487948400001 |
资助机构 | National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Basic Research Funding for the Central Level Scientific Research Institutes, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environmental, China ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; Municipal Natural Science Foundation of Jiangsu Province ; National Key R&D Program of China ; 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内容类型 | 期刊论文 |
源URL | [http://ir.ihb.ac.cn/handle/342005/33517] |
专题 | 水生生物研究所_淡水生态学研究中心_期刊论文 |
通讯作者 | An, Shuqing |
作者单位 | 1.MEE, Nanjing Inst Environm Sci, Res Ctr Ecol Protect & Climate Change Response, Nanjing, Jiangsu, Peoples R China 2.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei, Peoples R China 3.Jiangsu Prov Acad Environm Sci, Inst Environm Engn Technol, Nanjing, Jiangsu, Peoples R China 4.Nanjing Univ, Sch Life Sci, Xianlin Ave 163, Nanjing 210023, Jiangsu, Peoples R China |
推荐引用方式 GB/T 7714 | Xu, Delin,Wang, Yan,Liu, Dong,et al. Spatial heterogeneity of food web structure in a large shallow eutrophic lake (Lake Taihu, China): implications for eutrophication process and management[J]. JOURNAL OF FRESHWATER ECOLOGY,2019,34(1):231-247. |
APA | Xu, Delin.,Wang, Yan.,Liu, Dong.,Wu, Dan.,Zou, Changxin.,...&An, Shuqing.(2019).Spatial heterogeneity of food web structure in a large shallow eutrophic lake (Lake Taihu, China): implications for eutrophication process and management.JOURNAL OF FRESHWATER ECOLOGY,34(1),231-247. |
MLA | Xu, Delin,et al."Spatial heterogeneity of food web structure in a large shallow eutrophic lake (Lake Taihu, China): implications for eutrophication process and management".JOURNAL OF FRESHWATER ECOLOGY 34.1(2019):231-247. |
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