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PRELIMINARY ECOLOGICAL STUDY ON THE MACROBENTHOS IN THE WESTERN WATERS OF LIAODONG BAY IN SPRING

Ning Zhao

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Abstract

Macrobenthos was investigated at 12 stations in the western waters of Liaodong Bay in May 2009.A total of 78 macrobenthic species were identified in the survey area in which 37 species were Polychaeta,24 were Crustacea,13 were Mollusca,2 were Echinodermata,and the rest 2 species were other taxonomical groups.The average abundance and biomass were estimated to be 1675.8 ind./m2 and 21.366 g/m2 respectively.Four macrobenthic community groups could be identified at the 40% similarity levels according to CLUSTER.The macrobenthic community structures were slightly disturbed in two stations.

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What this paper is about

Macrobenthos was investigated at 12 stations in the western waters of Liaodong Bay in May 2009.A total of 78 macrobenthic species were identified in the survey area in which 37 species were Polychaeta,24 were Crustacea,13 were Mollusca,2 were Echinodermata,and the rest 2 species were other taxonomical groups.The average abundance and biomass were estimated to be 1675.8 ind./m2 and 21.366 g/m2 respectively.Four macrobenthic community groups could be identified at the 40% similarity levels according to CLUSTER.The macrobenthic community structures were slightly disturbed in two stations.

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Available abstract

Macrobenthos was investigated at 12 stations in the western waters of Liaodong Bay in May 2009.A total of 78 macrobenthic species were identified in the survey area in which 37 species were Polychaeta,24 were Crustacea,13 were Mollusca,2 were Echinodermata,and the rest 2 species were other taxonomical groups.The average abundance and biomass were estimated to be 1675.8 ind./m2 and 21.366 g/m2 respectively.Four macrobenthic community groups could be identified at the 40% similarity levels according to CLUSTER.The macrobenthic community structures were slightly disturbed in two stations.

Key concepts: Macrobenthos, Bay, Abundance (ecology), Crustacean, Spring (device), Community structure, Oceanography, Biomass (ecology)

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