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学科主题: Ecology; Environmental Sciences; Toxicology
题名: Evaluation of sampling sizes on the intertidal macroinfauna assessment in a subtropical mudflat of Hong Kong
作者: Shen, PP ; Zhou, H ; Zhao, ZY ; Yu, XZ ; Gu, JD
通讯作者: jdgu@hkucc.hku.hk
关键词: Core sampler ; Sampling unit ; Macrofauna ; Assessment ; Intertidal mudflat
刊名: ECOTOXICOLOGY
发表日期: 2012
卷: 21, 期:6, 页:1706-1716
部门归属: [Shen, Ping-Ping; Zhao, Zhenye; Gu, Ji-Dong] Univ Hong Kong, Lab Environm Microbiol & Toxicol, Sch Biol Sci, Hong Kong, Hong Kong, Peoples R China; [Zhou, Hong] Ocean Univ China, Coll Marine Sci, Qingdao 266003, Shandong, Peoples R China; [Zhao, Zhenye] Res Environm Engn Tech Co Ltd, Shenzhen Hong Kong Inst Ind, Educ, Shenzhen, Guangdong, Peoples R China; [Yu, Xiao-Zhang] Guilin Univ Technol, Guangxi Key Lab Environm Engn Protect & Assessmen, Guilin 541004, Guangxi, Peoples R China; [Gu, Ji-Dong] Univ Hong Kong, Swire Inst Marine Sci, 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
项目归属: LMB
摘要: In this study, two types of sediment cores with different diameters were used to collect sediment samples from an intertidal mudflat in Hong Kong to investigate the influence of sampling unit on the quantitative assessment of benthic macroinfaunal communities. Both univariate and multivariate analyses were employed to detect differences in sampling efficiencies by the two samplers through total abundance and biomass, species richness and diversity, community structure, relative abundance of major taxa of the infaunal community. The species-area curves were further compared to find out the influence of the sampling units. Results showed that the two sampling devices provided similar information on the estimates of species diversity, density and species composition of the benthos in main part of the mudflat where the sediment was fine and homogenous; but at the station which contained coarse sand and gravels, the significant differences were detected between the quantitative assessments of macrobenthic infauna by the two samplers. Most importantly, the species-area curves indicated that more and smaller samples were better in capturing more species than less large ones when comparing an equal sampling area. Therefore, the efficiency of the sampler largely depended on the sediment properties, and sampling devices must be chosen based on the physical conditions and desired levels of precision on the organisms of the sampling program.
语种: 英语
WOS记录号: WOS:000306592100015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/9848
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; Zhao, ZY; Yu, XZ; Gu, JD.Evaluation of sampling sizes on the intertidal macroinfauna assessment in a subtropical mudflat of Hong Kong,ECOTOXICOLOGY,2012,21(6):1706-1716
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