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거문도 연안에서 저인망에 어획되는 어류의 종조성 및 양적 변동
이성훈(Sung-Hoon LEE),추은경(Eun-Kyeong CHU),이진(Jin-LEE),한경호(Kyeong-Ho HAN) 전남대학교 어업기술연구소 2019 어업기술연구소보고지 Vol.12 No.1
The fishes were caught by otter trawl from November, 2007 to October, 2008 in coastal waters off Geomundo. A total of 4,645 fishes were sampled and classified into 76 species, 40 families, and 12 orders. Of the 12 orders, Clupeiformes, Gadiformes, Perciformes accounted for approximately 83.7% of the fishes in this area. Of 76 species identified, Argyrosomus argentatus, Acanthogobius flavimanus, Nuchequula nuchalis, Coelorinchus japonicus, Engraulis japonicus accounted for 54.6% of the fishes collected. The highest number of individuals was found in summer, while the lowest in autumn. The richness index was highest in spring(RI=7.934) and lowest in winter(RI=6.701). The eveness index was highest in spring(E=0.740) and lowest in winter(E=0.690). The diversity index was highest in spring(H’=3.005) and lowest in winter(H’=2.671).
저질에 따른 꼬막(Tegillarca granosa)의 염분내성
한경호,진동수,추은경,이우범,이원교 國立 麗水大學校 環境問題硏究所 2000 環境硏究論文集 Vol.3 No.-
The present study was conducted to know the salinity tolerance of the bloody clam, Tegillarca granosa (Linnaeus) caught in Gang-jin Bay from May to June in 2000. In the experimental groups of sandy-mud, the survival and infiltration rate were not bad at 20~40ppt, but all the bloody clam, Tegillarca granosa died at more than 50ppt and less than 10ppt before the experiment finish. In the experimental groups of muddy, the survival and infiltration rate wrer not bad at 20~35ppt and then 40ppt, 45ppt. All the bloody clam, Tegillarca granosa died at more than 50ppt and less than 10ppt. The infiltration rate was high at 25~35ppt in the both of two experimental groups. In the sandy-mud, the bloody clam, Tegillarca granosa infiltrated less than half of their shells at 25ppt, 30ppt but in the muddy, they infiltrated more than half of their shells at 25ppt, 30ppt, 35ppt.