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NTIS 바로가기한국수산과학회지 = Korean journal of fisheries and aquatic sciences, v.46 no.6, 2013년, pp.892 - 900
김두남 (국립수산과학원 고래연구소) , 손호선 (국립수산과학원 고래연구소) , 안용락 (국립수산과학원 고래연구소) , 박겸준 (국립수산과학원 고래연구소) , 김현우 (국립수산과학원 고래연구소) , 안소언 (국립수산과학원 고래연구소) , 안두해 (국립수산과학원 고래연구소)
In 2011, the system for conserving and managing cetacean resources in Korea changed. The status of the cetacean bycatch was analyzed using a distribution certificate that was issued by the coast guard. During 2011.2012, 12 species were bycatch in Korean waters: three species of baleen whale and nine...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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고래류 혼획율의 월별 변동 양상은 무엇에 영향을 받은 결과인가? | 6%로 약간 증가하는 경향을 보였다. 이 출현 양상은 혼획율이 전체 고래류의 78.1%로 높았던 상괭이의 혼획율에 의해 나타난 경향이다. 상괭이는 5-6월 33.2-38.9%의 높은 비율로 혼획되다가 7-10월에는 0.3-2.2%로 대폭 감소된 값을 보였다(Fig. 3b). | |
많이 혼획된 고래 종 순서대로 설명하시오. | 가장 많이 혼획된 종은 2년 간 각각 665마리와 2,189마리가 혼획되어 전체 혼획율의 63.5%와 82.7%를 차지한 상괭이(finless porpoise, Neophocaena asiaeorientalis)였으며, 다음으로 24.5%와 12.8%를 차지한 참돌고래(common dolphin, Delphinus sp.)였다. 그 다음으로 많이 혼획된 종은 밍크고래, 낫돌고래(Pacific white-sided dolphin, Lagenorhynchus obliquidens) 및 쇠돌고래(harbor porpoise, Phocoena phocoena)로 나타나 밍크고래를 제외한 상괭이, 참돌고래, 낫돌고래, 쇠돌고래는 An et al. (2004)의 결과와 같이 우리나라 연안에서 가장 흔히 혼획되는 소형고래류로 나타났다. 2000-2010년간에 걸친 고래류 목시조사를 통해 확인된 고래류는 모두 11종으로(Sohn et al. | |
혼획되는 고래뿐만 아니라 좌초 및 표류되어 폐기되는 개체까지 모두 체계적으로 관리하기 시작한 계기는 무엇인가? | , 2000)한 이후 매년 목시조사를 통해 연근해에 분포하는 고래류의 조사를 통한 자원량 추정 연구를 하고 있다. 또한, 혼획, 좌초 및 표류되는 고래류 현황을 파악하기 위해 고래연구소 자체적으로 전국 연안의 자료를 수집하였으며, 2011년 1월 『고래자원의 보존과 관리에 관한 고시』가 제정된 이후에는 혼획되는 개체뿐만 아니라 좌초 및 표류되어 폐기되는 개체까지 모두 체계적으로 관리하기 시작하였다. 고시 제정 초기에는 연안에서 혼획, 좌초되는 상괭이를 포함한 소형 고래류의 신고가 다소 누락되기도 하였으나, 해를 거듭하며 안정적인 고시 이행으로 연안에서 누락되던 자료까지 체계적으로 수집되고 있다. |
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