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The importance of terrestrial carbon in supporting molluscs in the wetlands of Poyang Lake
Zhang Huan1,4; Yu Xiubo1; Wang Yuyu2; Xu Jun3
2017-07-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
Volume35Issue:4Pages:825-832
AbstractAllochthonous organic matter plays an important role in nutrient cycling and energy mobilization in freshwater ecosystems. However, the subsidies of this carbon source in floodplain ecosystems have not yet well understood. We used a Bayesian mixing model and stable isotopes (delta C-13 and delta N-15) of primary food resources and dominant molluscs species, to estimate the relative importance of allochthonous carbon sources for consumers in a representative sub-lake of Poyang Lake during a prolonged dry season. Our study inferred that terrestrial-derived carbon from Carex spp. could be the primary contributor to snails and mussels in Dahuchi Lake. The mean percentage of allochthonous food resources accounted for 35%-50% of the C incorporated by these consumers. Seston was another important energy sources for benthic consumers. However, during the winter and low water-level period, benthic algae and submerged vegetation contributed less carbon to benthic consumers. Our data highlighted the importance of terrestrial organic carbon to benthic consumers in the wetlands of Poyang Lake during the prolonged dry period. Further, our results provided a perspective that linkages between terrestrial and aquatic ecosystems might be facilitated by wintering geese via their droppings.
SubtypeArticle
KeywordAllochthonous Carex Spp. Molluscs Floodplain Wetland Stable Isotope Analysis Poyang Lake
DOI10.1007/s00343-017-6014-8
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China(41471088 ; National Natural Science Foundation of China(41471088 ; 41301077) ; 41301077) ; National Natural Science Foundation of China(41471088 ; National Natural Science Foundation of China(41471088 ; 41301077) ; 41301077)
Language英语
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS KeywordAQUATIC FOOD WEBS ; NATIONAL NATURE-RESERVE ; STABLE-ISOTOPES ; ORGANIC-CARBON ; RIVER FLOODPLAIN ; SHALLOW LAKE ; CHINA ; SUBSIDIES ; MACROINVERTEBRATES ; LANDSCAPE
WOS IDWOS:000403701200013
Funding OrganizationNational Natural Science Foundation of China(41471088 ; National Natural Science Foundation of China(41471088 ; 41301077) ; 41301077) ; National Natural Science Foundation of China(41471088 ; National Natural Science Foundation of China(41471088 ; 41301077) ; 41301077)
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/32847
Collection淡水生态学研究中心
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Beijing Forestry Univ, Coll Nat Conservat, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang Huan,Yu Xiubo,Wang Yuyu,et al. The importance of terrestrial carbon in supporting molluscs in the wetlands of Poyang Lake[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(4):825-832.
APA Zhang Huan,Yu Xiubo,Wang Yuyu,&Xu Jun.(2017).The importance of terrestrial carbon in supporting molluscs in the wetlands of Poyang Lake.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(4),825-832.
MLA Zhang Huan,et al."The importance of terrestrial carbon in supporting molluscs in the wetlands of Poyang Lake".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.4(2017):825-832.
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