海洋科学2016，Vol.40Issue(10)：43-48,6.DOI:10.11759/hykx20140311004
辽东湾中部海域春季大型底栖生物的群落结构及影响因子
Macrobenthos community and environmental factors in the middle waters of Liaodong Bay in spring
摘要
Abstract
Macrobenthos was investigated in the middle waters of Liaodong Bay in May 2013. The species composition, abundance, biomass, community structure, and relationship with environmental factors of macrobenthos were analyzed. In total, 70 species were identified in the research region, including 24 species of Polychaeta, 18 species of Crustacea, 20 spe-cies of Mollusca, 7 species of Echinoderms and 1 species of Nemerteans. The indexes of relative importance were greater than 100 of 14 species. The top of three were Natatolana japonensis,Scapharca subcrenata, and Aspeudes nipponicus. The average abundance of macrobenthos was 244.2 ind./m2, and the average biomass was 52.52 g/m2. Echinoderms were im-portant contributors to biomass.The average biodiversity index of macrobenthos were 3.24. ABC (abundance/biomass com-parison), revealing that macrobenthos communities were undisturbed in the research region. The structural similarity of the macrobenthos community was at a low level. The macrobenthos communities could be divided into five groups with 20% similarity. Dissolved oxygen content in bottom waters was an important factor affecting the abundance of macrobenthos. Different sediment conditions were important factors affecting macrobenthos biomass and community structure.关键词
辽东湾/大型底栖生物/群落结构/多样性/环境因子Key words
Liaodong Bay/macrobenthos/community structure/biodiversity/environmental factors分类
生物科学引用本文复制引用
张晓举,丁龙,冯春晖..辽东湾中部海域春季大型底栖生物的群落结构及影响因子[J].海洋科学,2016,40(10):43-48,6.基金项目
国家863计划项目(No.2007AA092101) （No.2007AA092101）
北海分局海洋科技项目(2014B12) 863 shipborne marine environment Monitoring System, No. 2007AA092101 （2014B12）
Marine science and technology projects of North Sea Branch of the State Oceanic Administration, No. 2014B12 （）
