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문대연 ( Dae Yeon Moon ),이장욱 ( Jang Uk Lee ),김종빈 ( Jong Bin Kim ) 한국수산학회 1996 한국수산과학회지 Vol.29 No.2
한국 다랭이 선망어선의 유목군 조업 비율은 최근까지 점차 감소 추세에 있으며 1990~1995년간의 유목군 어획 비율은 전체 어획량의 34.6%로 선망어업 초기와 비교해 볼 때 상당히 낮았다. 어획 어종의 조성에서는 유목군 및 부상군 조업에서 다같이 가다랭이가 가장 많이 어획되었고 그 다음 황다랭이 그리고 소량의 눈다랭이가 어획되었다. 황다랭이의 어획 비율은 부상군 조업이 유목군 조업보다 높았다. 승선 조사 시의 유목군 조업의 어획 어종의 조성은 가다랭이 60%, 황다랭이 38%, 눈다랭이 2%로 조업 실적 자료보다 가다랭이는 낮았고 황다랭이는 높았다. 유목군 조업에서 혼획된 종은 모두 11종이었으며 그 중 상어류가 전 투망 시에 어획되었고 yellowtail kingfish가 마리수로는 가장 많이 어획되었다. 황다랭이의 체장 조성을 비교하였을 때 소형 황다랭이는 주로 유목 주변에 분포하는 것으로 나타났다. The proportion of log-associated school catches by Korean tuna purse seiners in the western Pacific has shown a declining trend until recent years. During the period 1990~1995, log-associated school catches contributed 34.6% to the total Korean tuna purse seine catch, representing quite a low level compared to the early phase of the purse seine fishery. Species compositions of both log-associated and free-school catches showed that skipjack, Katswonus pelamis, was dominant species and yellowfin, Thunnus albacares, followed, with the small amount of bigeye tunas, T. obesus. Yellowfin proportion was higher in free-school catches than in log-associated school catches. Log-associated school catches monitored during the scientific observation period were made of 60% skipjack, 38% yellowfin, and 2% bigeye tunas, indicating the low skipjack and high yellowfin proportion compared with historical fisheries data based on logbooks. A total of 11 by-catch species were identified, of which sharks occurred together with tunas in all sets and yellowtail kingfish was the most abundant by-catch species. From the length distribution it was found that small yellowfin less than 70cm mainly distributed around floating objects.
2010-2012년 어류표본사업에서 채집된 한국 남해 어류 종 목록
문대연 ( Dae Yeon Moon ),정현경 ( Hyeon Kyeong Jeong ),명정구 ( Jung Goo Myoung ),최정화 ( Jung Hwa Choi ),권혁준 ( Hyuck Joon Kwun ),백진욱 ( Jin Wook Back ),홍성열 ( Sung Youl Hong ),김성용 ( Seong Yong Kim ) 한국수산과학회 2015 한국수산과학회지 Vol.48 No.4
The Fish Collection Project collected 356 fish species from the Southern Sea of Korea during 2010-2012, 55 more than previously collected. The fishes belonged to 3 classes, 29 orders and 128 families. The 5 dominant orders, Perciformes, Scorpaeniformes, Pleuronectiformes, Tetraodontiformes, and Clupeiformes, accounted for ~80% of the identified species. Additionally, 126 species were collected from the Southern Sea for the first time, while 85 species that had been found in previous collections were not seen. The species variety of fish in the Southern Sea may be influenced by its unique oceanographic conditions such as increased water temperatures in coastal areas, so regular surveys would assist our understanding of the fish community. We suggest that various collection methods, including diving, be used to collect fish species inhabiting rocky shore or deep-sea areas, where commercial fishing gear is difficult to deploy.
한국연안의 푸른바다거북(Chelonia mydas ) 인공위성표지방류
문대연 ( Dae Yeon Moon ),안용락 ( Yong Rock An ),정민민 ( Min Min Jung ),김삼연 ( Sam Yeon Kim ),최석관 ( Seok Kwon Choi ),이해영 ( Hae Young Lee ),유준택 ( Jun Taek Yoo ),김문진 ( Moon Jin Kim ) 한국수산과학회(구 한국수산학회) 2011 한국수산과학회지 Vol.44 No.6
To investigate the distribution and migrations of sea turtles occurring in Korean waters, an adult female green sea turtle Chelonia mydas was tagged with a satellite transmitter and released at Busan in October 2009. The confirmation was made for the first time that the released green sea turtle migrated back to Korea after visiting Jeju Island and Japan for approximately 9 months. The green sea turtle spent the winter in Jeju and Japan because of low water temperatures in the East Sea and South Sea during winter months, which were not suitable for turtle survival. Compared with an immature green sea turtle that was released at Jeju Island, the adult green showed a markedly different migration pattern, suggesting that juvenile and adult greens move differently because of their peculiar life cycle and their stage of maturity, in addition to responses to temperature changes. Additional satellite tracking with increased representation of species, sexes and sizes of turtles, and regions is required to gather information on the distribution and movements of sea turtles in Korean waters.