广西科学2016，Vol.23Issue(4)：346-353,8.DOI:10.13656/j.cnki.gxkx.20160913.004
芝罘岛污水排放对大型底栖动物群落的影响
Effects of Sewage Discharge on the Macrobenthic Com-munity Offshore Area of Yantai,Shandong Province
摘要
Abstract
[Objective]Analyzing the impacts from the sewage discharge on the macrobenthic community provides scientific basis for sustain-able development of biodiversity conservation in coastal areas and marine environmental monito-ring.[Methods]A survey was carried out in Sep-tember 2012 on 10 sampling stations at the wa-ter areas near to Zhifu Island,offshore area of Yantai,Shandong province.Community charac-ters,three biodiversity indices,CLUSTER,non-metric multi-dimensional scaling (MDS)ordina-tion analysis,abundance and biomass curves (ABC)analysis were calculated and analyzed by software PRIMER 6.0.[Results]A total of 63 macrobenthic species were identified,including 35 species of Polychaetes,13 species of Mollus-can,1 1 species of Crustacean,3 species of the Echinoderm,one species of other groups,of which the dominant group was Polychaetes.The average biomass and abundance was 8.30 g/m2 and 618.67 ind./m2 ,respectively,of which Molluscan species contributed most to biomass and Pol-ychaetes contributed most to abundance.Three biodiversity indices,Shannon-Wiener index, Richness index and Evenness index,were 3.173±0.102,5.469±0.417 and 0.965±0.007,re-spectively.Pearson correlation analysis showed that Evenness index was significantly positive related to salinity.However,the Shannon-Wiener index and Richness index were not signifi-cantly related to the 1 2 environmental variables.CLUSTER and MDS analysis showed that macrobenthic assemblages could be divided into three sub-groups based on 60% similarity and significant difference was found between different sub-groups.The species composition of sta-tion Z2 nearest to the sewage discharge point was dominated by polychaetes and it showed a miniaturization trend.[Conclusion]The environmental variables such as water depth,dissolved oxygen,and TN influenced the spatial distribution of macrobenthos,and they were significantly related to the biomass and abundance.ABC curves showed that the macrobenthic community at some stations had been suffered moderate disturbance from anthropogenic activities.Comparing with the previous researches at same water areas,it is found that the macrobenthic community has went through a miniaturization tendency of individual body size and decreased number of species,and that the dominant group is changing to Polychaetes.关键词
烟台芝罘岛/大型底栖动物/群落结构/污水排放/环境因子Key words
Yantai Zhifu Island/macrobenthos/community structure/sewage discharge/environ-mental variables分类
生物科学引用本文复制引用
刘甜甜,李晓静,周政权,陈琳琳,李宝泉..芝罘岛污水排放对大型底栖动物群落的影响[J].广西科学,2016,23(4):346-353,8.基金项目
中国科学院院重点部署项目（KZZD-EW-14），中国科学院战略性先导科技专项（XDA11020403，XDA11020702）和中国科学院科技服务网络计划（STS计划）（KFJ-EW-STS-127）资助。 （）
