IHB OpenIR  > 淡水生态学研究中心  > 期刊论文
Community structure and spatiotemporal patterns of macrozoobenthos in Lake Chaohu (China)
Cai, Yongjiu1; Gong, Zhijun1; Xie, Ping2; Gong, ZJ (reprint author), Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, 73 E Beijing Rd, Nanjing 210008, Peoples R China.
2012
Source PublicationAQUATIC BIOLOGY
ISSN1864-7790
Volume17Issue:1Pages:35-46
AbstractLake Chaohu, the fifth largest freshwater lake in China, has been subjected to severe eutrophication and cyanobacterial blooms over the past few decades. However, little is known about the macrozoobenthic assemblages in this lake. To characterize the community structure and spatiotemporal patterns of macrozoobenthos in Lake Chaohu and to elucidate the environmental factors that regulate the benthic community, a bimonthly investigation was conducted at 9 stations from September 2002 to July 2003. Principal component analysis suggested that there was a decrease in trophic status from west to east in this lake. A total of 19 taxa were recorded, and the most abundant organisms were members of Oligochaeta and Chironomidae. Two-way ANOSIM indicated significant differences in community structure among stations (R = 0.417, p < 0.001) but not among months (R = 0.058, p = 0.128). Mantel tests showed that spatial changes in macrozoobenthic assemblages were similar across most sampling occasions. A BIO-ENV analysis showed that the concentrations of total nitrogen, total phosphorus, ammonium and dissolved oxygen in the benthic layer were strongly correlated to the community structure of macrozoobenthos in Lake Chaohu. Compared with a study conducted in 1980 to 1981, benthic assemblages shifted from dominance by Corbicula fluminea and gastropods to dominance by oligochaetes and chi-ronomids in the present study. Our results have implications for benthic biodiversity conservation in shallow lakes along the Yangtze River undergoing eutrophication.; Lake Chaohu, the fifth largest freshwater lake in China, has been subjected to severe eutrophication and cyanobacterial blooms over the past few decades. However, little is known about the macrozoobenthic assemblages in this lake. To characterize the community structure and spatiotemporal patterns of macrozoobenthos in Lake Chaohu and to elucidate the environmental factors that regulate the benthic community, a bimonthly investigation was conducted at 9 stations from September 2002 to July 2003. Principal component analysis suggested that there was a decrease in trophic status from west to east in this lake. A total of 19 taxa were recorded, and the most abundant organisms were members of Oligochaeta and Chironomidae. Two-way ANOSIM indicated significant differences in community structure among stations (R = 0.417, p < 0.001) but not among months (R = 0.058, p = 0.128). Mantel tests showed that spatial changes in macrozoobenthic assemblages were similar across most sampling occasions. A BIO-ENV analysis showed that the concentrations of total nitrogen, total phosphorus, ammonium and dissolved oxygen in the benthic layer were strongly correlated to the community structure of macrozoobenthos in Lake Chaohu. Compared with a study conducted in 1980 to 1981, benthic assemblages shifted from dominance by Corbicula fluminea and gastropods to dominance by oligochaetes and chi-ronomids in the present study. Our results have implications for benthic biodiversity conservation in shallow lakes along the Yangtze River undergoing eutrophication.
SubtypeArticle
KeywordLake Chaohu Shallow Freshwater Lakes Eutrophication Cyanobacterial Blooms Spatial Pattern
Department[Cai, Yongjiu; Gong, Zhijun] Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China; [Xie, Ping] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
DOI10.3354/ab00455
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002] ; National Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002] ; National Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002] ; National Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002]
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000310151500005
WOS KeywordHARMFUL ALGAL BLOOMS ; FRESH-WATER ; LONG-TERM ; DREISSENA-POLYMORPHA ; CORBICULA-FLUMINEA ; SUBTROPICAL CHINA ; EUTROPHIC LAKE ; BIODIVERSITY ; SHALLOW ; HYPOXIA
Funding OrganizationNational Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002] ; National Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002] ; National Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002] ; National Natural Sciences Foundation of China [31070418, 31270505]; Key Program of Nanjing Institute of Geography and Limnology, CAS [NIGLAS2012135002]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/17188
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorGong, ZJ (reprint author), Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, 73 E Beijing Rd, Nanjing 210008, Peoples R China.
Affiliation1.Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Cai, Yongjiu,Gong, Zhijun,Xie, Ping,et al. Community structure and spatiotemporal patterns of macrozoobenthos in Lake Chaohu (China)[J]. AQUATIC BIOLOGY,2012,17(1):35-46.
APA Cai, Yongjiu,Gong, Zhijun,Xie, Ping,&Gong, ZJ .(2012).Community structure and spatiotemporal patterns of macrozoobenthos in Lake Chaohu (China).AQUATIC BIOLOGY,17(1),35-46.
MLA Cai, Yongjiu,et al."Community structure and spatiotemporal patterns of macrozoobenthos in Lake Chaohu (China)".AQUATIC BIOLOGY 17.1(2012):35-46.
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