인천항 및 부산항의 여름철 대형저서동물군집의 구조
The Community Structures of Macrozoobenthos during Summer in the Incheon and Busan Harbors, Korea
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참고문헌
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Abstract
We investigated the macrozoobenthos at major two harbors of Korea in July and August 2007 in order to check the changes in the species composition due to the invasive species and to make a species inventory at each harbor system. At the Incheon Harbor, a total of 88 species was sampled with abundance of 3,212 ind.m-2 and biomass of 239 gm-2. The most dominant species was Tharyx sp. belong to polychaete taxa, followed by Chaetozone setosa in the harbor area. The dominant species of outer area were Musculus senhousia and Sternaspis scutata. The diversity index ranged between 0.9~2.4, and evenness index between 0.3~0.9, and richness index between 1.8~3.9. Benthic pollution index ranged between 16~74. The highest benthic pollution index was at station 4. On the other hand the lowest value was at station 6, where a large amount of M. senhousia belong to mollusca occurred. At the Busan Harbor, a total of 89 species was sampled with density of 1,845 ind.m-2 and biomass of 133.6 gm-2 in August 2007. The most dominant species was Tharyx sp., followed by M. japonica and Cirratulus cirrata within harbor area. M. japonica was dominant species in the outer area. The diversity index ranged between 0.7~2.2, evenness index between 0.3~1.0, and richness index between 1.1~4.1. Benthic pollution index ranged between 31~90. The lowest benthic pollution index was found at site 2 within harbor area.
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