Characteristics of macrofauna and their response to aquiculture in Yueqing Bay, China |
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Authors: | Yang Junyi Gao Aigen Ning Xiuren Zhang Dongsheng |
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Affiliation: | 1. Key Lab of Submarine Geosciences and Prospecting Techniques, MOE and College of Marine Geosciences, Ocean University of China, Qingdao 266100, PR China;2. First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, PR China |
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Abstract: | Four seasons of investigations on macrofauna in Yueqing Bay, China were carried out from August 2002 to May 2003. One hundred and twenty four species of macrofauna were identified, including 41 species of polychaeta, 37 species of mollusc, 22 species of crustacea, 10 species of echinoderm and 14 others. The average biomass was 41.95 g·m−2 and the average density was 85 ind·m−2. The echinoderm contributed the highest proportion (about 60%) to the total biomass, and the mollusc contributed the maximum proportion (about 35%) to the total density. Biomass and density in spring were higher than those in other seasons. This article analyzes the macrofauna distribution, compares the study results with the history data of Yueqing Bay and adjacent bays, and discusses the response of macrofauna community to the aquiculture in Yueqing Bay. |
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Keywords: | macrofauna ecology aquiculture Yueqing Bay |
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