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学科主题: Marine & Freshwater Biology
题名: Patterns of polychaete communities in relation to environmental perturbations in a subtropical wetland of Hong Kong
作者: Shen, PP ; Zhou, H ; Gu, JD
通讯作者: jdgu@hkucc.hku.hk
关键词: polychaete ; indicator ; environmental stress ; intertidal mudflat ; subtropical
刊名: JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM
发表日期: 2010
卷: 90, 期:5, 页:923-932
收录类别: sci
部门归属: [Shen, Ping-Ping; Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Lab Environm Toxicol, Hong Kong, Hong Kong, Peoples R China; [Shen, Ping-Ping] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou, Guangdong, Peoples R China; [Zhou, Hong] Ocean Univ China, Coll Marine Sci, Qingdao 266003, Shandong, Peoples R China; [Gu, Ji-Dong] Univ Hong Kong, Swire Inst Marine Sci, Shek O Cape Daguilar, Hong Kong, Peoples R China
项目归属: LMB
摘要: Benthic polychaetes in the largest intertidal mudflat of Hong Kong were analysed for potentially stressed environmental conditions from pollution. Over a two-year period, a total of 14 species were recorded with the species diversity (H'(log(2))) ranged from 0.54 to 2.4. The community was dominated by two large polychaetes (Neanthes glandicincta and Potamilla acuminata) and a number of small pollution tolerant species (Tharyx, Capitella capitata and Prionospio cirrifera). It was also characterized by both temporal and spatial variations in terms of abundance and species composition with the lowest species number observed at onshore Station B in August and the highest at offshore Station D in February. Two distinct polychaete communities were formed along the intertidal towards subtidal mudflat, particularly the assemblage at onshore Station B showing a significant difference from those at the other three stations (P < 0.05, N = 32). Results of the abundance-biomass comparison (ABC) indicated a typical impacted community at the whole study area, especially at Station B which was close to the Shenzhen River mouth and mangrove forest. The total organic carbon had a significant positive effect on the abundance of Capitella capitata (P = 0.037, N = 8) while sedimentary compositions were statistically related to the abundance of Potamilla acuminata, Tharyx and total abundance of polychaetes (P < 0.05, N = 8). In conclusion, both the polluted Shenzhen River and nearby mangrove may be responsible for the decline in species richness and diversity as well as changes in community structure. Polychaetes can be used as the appropriate indicators in habitat ecological condition assessment instead of the whole benthic community.
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WOS记录号: WOS:000280568300008
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/3788
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Shen, PP; Zhou, H; Gu, JD.Patterns of polychaete communities in relation to environmental perturbations in a subtropical wetland of Hong Kong,JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM,2010,90(5):923-932
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