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Effects of the proximal factors on the diel vertical migration of zooplankton in a plateau meso-eutrophic Lake Erhai, China
Hu, Cuilin1,2; Wang, Shengrui3; Guo, Longgen2; Xie, Ping1,2
2014
Source PublicationJOURNAL OF LIMNOLOGY
ISSN1129-5767
Volume73Issue:2Pages:375-386
AbstractTo study the proximal factors inducing diel vertical migration (DVM) in large and small zooplankton species in a plateau lake in China, we investigated the DVM of crustacean zooplankton in Lake Erhai bimonthly from November 2009 to September 2010. We hypothesized that the factors affecting DVM behaviour in different-sized zooplankton were different. A linear regression was used to assess the relationships between environmental variables and the vertical distribution of zooplankton. All crustacean zooplankton exhibited normal DVM patterns (down during the day, up at night) across sampling months. The weighted mean depth (WMD) of all zooplankton did not show a significant correlation with the WMD of the dominant phytoplankton and chlorophyll-a. However, a negative relationship was observed between the distribution of zooplankton and water temperature in January, March, and July 2010, but the relationship was relatively weak (R-2 between 0.1 and 0.4). The vertical distribution of zooplankton was primarily affected by water transparency (P0.05), whereas the factors inducing DVM behaviour differed between large and small zooplankton. Predation avoidance and phototactic behaviour may be the dominant factors influencing DVM of large species, whereas only phototaxis contributed to the migratory behaviour of small species.
SubtypeArticle
KeywordWeighted Mean Depth Zooplankton Lake Erhai Diel Vertical Migration Water Transparency
DOI10.4081/jlimnol.2014.684
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectLimnology
WOS IDWOS:000342807000016
WOS KeywordULTRAVIOLET-RADIATION ; CRUSTACEAN ZOOPLANKTON ; HABITAT SELECTION ; FOOD AVAILABILITY ; FISH PREDATION ; UV-RADIATION ; DAPHNIA ; TRANSPARENCY ; COPEPOD ; CONSEQUENCES
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20322
Collection淡水生态学研究中心_期刊论文
Affiliation1.Huazhong Agr Univ, Coll Fisheries, Wuhan 430072, 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
3.Chinese Res Inst Environm Sci, Res Ctr Lake Environm, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Hu, Cuilin,Wang, Shengrui,Guo, Longgen,et al. Effects of the proximal factors on the diel vertical migration of zooplankton in a plateau meso-eutrophic Lake Erhai, China[J]. JOURNAL OF LIMNOLOGY,2014,73(2):375-386.
APA Hu, Cuilin,Wang, Shengrui,Guo, Longgen,&Xie, Ping.(2014).Effects of the proximal factors on the diel vertical migration of zooplankton in a plateau meso-eutrophic Lake Erhai, China.JOURNAL OF LIMNOLOGY,73(2),375-386.
MLA Hu, Cuilin,et al."Effects of the proximal factors on the diel vertical migration of zooplankton in a plateau meso-eutrophic Lake Erhai, China".JOURNAL OF LIMNOLOGY 73.2(2014):375-386.
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