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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
국립중앙과학관 Journal of Korean nature Journal of Korean nature 제2권 제1호
발행연도
2009.1
수록면
13 - 18 (6page)

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In a joint research of the Korean Biodiversity Information Facility (KBIF), the study analyzed species composition and fluctuations in abundance of fishes caught by the set net fishery installed in the offing of Impo, Dolsando in Yeosu-si, Jeollanamdo in June and September 2008. During the study period, there were 11,180 individuals of 54 species of 39 families in 8 orders that appeared in the set net fishery in the offing of the Dadohae Marine National Park. The numbers of individuals that appeared in June and September were shown in Table 2. Among the fishes caught, the Perciformes was the dominant species with 29 species of 22 families followed by the Tetraodontiformes with 6 species of 2 families and the Pleuronectiforme with 5 species of 4 families. There appeared 3 species of 3 families of the Anguilliformes and the Beloniformes, respectively. There were 4 species of 2 families of the Clupeiformes and 3 species of 2 families of the Scorpaeniformes. There was 1 species of 1 family of the Aulopiformes. During the study period, Scomber japonicus was the dominant species with 9005 individuals followed by Trichiurus lepturus with 1500 individuals and Panpus argenteus with 184 individuals. In June, Trichiurus lepturus was dominant with 1200 individuals followed by Panpus argenteus with 150 individuals and Scomberomorus koreanus with 58 individuals. In October, Scomber japonicus was the dominant species with 9000 individuals followed by Trichiurus lepturus with 300 individuals and Scomberomorus koreanus with 45 individuals. It indicates that the dominance of a species has close relationship with water temperature because fishes migrate to feed in this season. Given the frequency of appearance, Scomber japonicus and Trichiurus lepturus most frequently appeared because they were in the middle of growing into adult fishes while the frequent appearance of Scomberomorus koreanus and Panpus argenteus, which were major species of the fishing industry, contributed to the income of fishermen. There appeared rarely seen species in the offing of Yeosu like Pelamis platurus, Rachycentron canadum (Linnaeus), Lobotes surinamensis, Kyphosus vaigiensis, Abudefduf vaigiensis and Siganus fuscescens (Houttuyn). They are subtropical fishes and seem to move here due to the warmer water affected by the global warming. Additional studies on species composition and fluctuations in abundance of fishes that appear in the set net fishery in the Dadohae Marine National Park will be continuously conducted. So, they will contribute to the increase of fishermen's income by transferring the new fish species to fishermen when newly developed rare fish species are fostered in the lab and evaluated for adaptability and growth potential. The research result will be used as basic data to secure national biological resources, and create/manage biodiversity data by building a biodiversity database network.
#Dadohae Marine National Park #fauna #Scomber japonicus

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