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Species composition, diversity and density of small fishes in two different habitats in Niushan Lake
Ye, Shao-wen; Li, Zhong-jie (zhongjie@ihb.ac.en); Cao, Wen-xuan; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
2007
Source PublicationYingyong Shengtai Xuebao
ISSN1001-9332
Volume18Issue:7Pages:1589-1595
AbstractThis paper studied the spatial distribution of small fishes in a shallow macrophytic take, Niushan Lake in spring 2003, and its relations with habitat heterogeneity. Based on the macrophyte cover condition, distance from lake shore and water depth, two representative habitat types in the lake were selected. Habitat A was near the shore with dense submersed macrophyte, while habitat B was far from the shore with sparse submersed macrophyte. Small fishes were sampled quantitatively by block net (180 m(2)), and their densities within the net area were estimated by multiple mark-recapture or Zippin's removal method. The results showed that there were some differences in species composition, biodiversity measurement, and estimated density,of small. fishes between the two habitats: 1) the catches in habitat A consisted of 14 small fish species from 5 families, among which, benthopelagic species Rhodeus ocellatus, Parachellognathus imberbis and Pseudorasbora parva were considered as dominant species, while those in habitat B consisted of 9 small fish species from 3 families, among which, bottom species Rhinogoblus giurinus and Micropercops swinhonis were dominant; 2) the Bray-Curtis index between the two small fish communities was 0.22.2, reflecting their low structure similarity, and no significant difference was observed between their rank/abundance distributions, both of which belonged to log series distribution; 3) the total density of 9 major species in habitat A was 8.71 ind center dot m(-2) while that of 5 major species in habitat B was only (-2) 3.54 ind. m(-2). The fact that the spatial distribution of the small fishes differed with habitats might be related to their habitat needs for escaping predators, feeding, and. breeding, and thus, aquatic macrophyte habitat should be of significance in the rational exploitation of small fish resources as well as the conservation of fish resource diversity.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/18243
Collection期刊论文
Corresponding AuthorYe, Shao-wen; Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Ye, Shao-wen,Li, Zhong-jie ,Cao, Wen-xuan,et al. Species composition, diversity and density of small fishes in two different habitats in Niushan Lake[J]. Yingyong Shengtai Xuebao,2007,18(7):1589-1595.
APA Ye, Shao-wen,Li, Zhong-jie ,Cao, Wen-xuan,&Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol and Biotechnol, Wuhan 430072, Peoples R China.(2007).Species composition, diversity and density of small fishes in two different habitats in Niushan Lake.Yingyong Shengtai Xuebao,18(7),1589-1595.
MLA Ye, Shao-wen,et al."Species composition, diversity and density of small fishes in two different habitats in Niushan Lake".Yingyong Shengtai Xuebao 18.7(2007):1589-1595.
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