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NTIS 바로가기海洋環境安全學會誌 = Journal of the Korean society of marine environment & safety, v.24 no.6, 2018년, pp.750 - 763
김형철 (국립수산과학원 어장환경과) , 이재경 ((주)해양수산자원연구) , 김미향 ((주)해양수산자원연구) , 최병미 ((주)저서생물연구센터) , 서인수 ((주)저서생물연구센터) , 나종헌 ((주)저서생물연구센터)
This study conducted 10 sampling sites survey 4 times to determine the trophic structure and energy flow of marine ecosystems for Uljin marine ranching area, Korean East Sea from March to October 2013. Based on the ecological characteristics of biological species, one used the non-Metric Multidimens...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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어업자 원량 감소를 해결하기 위한 방안으로 내세운 방법은? | 최근 해양에서의 어업자 원량 감소가 지속적으로 이루어지고 있다. 이에 어업자 원량 감소를 해결하기 위한 방안으로 연안어업을 육성하고, 수산 식품의 단백질 공급을 증가시키는 노력과 경비가 투자되고 있다. 그러나 해양에서 비약적인 수산물 생산량의 증대는 해양 환경의 다양성과 안정성 등에 일부 바람직하지 못한 영향을 미치는 것이 사실이다. | |
생태계 기반 자원관리를 위한 접근법에서 널리 사용되는 Ecopath 모델의 장점은 무엇인가? | 생태계 기반 자원관리를 위한 접근법으로 가장 널리 사용하고 있는 모델은 Ecopath with Ecosim(EwE)이다. 특히 Ecopath 모델은 종과 종들 간의 먹이 관계를 통한 영양단계를 분석하고(Walters et al., 1997), 생태계 내 생물들의 복잡한 상호 관계를 단순화 및 정량화하여 생태계 구조와 기능에 대하여 묘사할 수 있다는 장점이 있다. | |
전통적인 수산자원관리 방법이 가지는 자원관리의 한계점은? | 그러나 해양에서 비약적인 수산물 생산량의 증대는 해양 환경의 다양성과 안정성 등에 일부 바람직하지 못한 영향을 미치는 것이 사실이다. 지금까지 단일 어종의 지속적 생산량을 목표로 하는 전통적인 수산자원관리 방법은 생태계를 구성하고 있는 생물들 간의 생태학적인 상호작용을 고려하고 있지 않기 때문에 합리적인 자원관리에는 한계를 가지고 있다(Zhang et al., 2003). |
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