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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 312 - 320 (9page)
이용수
초록· 키워드
오류제보하기
The 1/5 scale–down model of the Bycatch Reduction Device (BRD) from an Argentinean demersal trawl was tested in a circulating water channel. The BRD is designed to help small Hake (merluza, merluccius hubbsi) to escape from a trawl. It is settled in front of a trawl codend, and is equipped with selection grids that help small fish to escape from the gear and guiding panels that help fish to meet with the grids. Bars of the grids are wires covered by the PVC and other parts of the BRD are made of net. When the velocity was less than 0.65 m/sec (2.81 Kont when translated to real towing speed) which is slow speed compared with real towing speed, position between an upper guiding panel and an upper selection grid were good to help small fish to escape. When the velocity was more than 0.8 m/sec (3.41 Knot when translated to real towing speed) which is similar to and faster than real towing speed, it was considered that small fish may have difficulties in escaping because the gap was not enough between an upper guiding panel and an upper selection grid. The lower selection grid was sat on the bottom of the tank without an angle due to the weight that it carries. Improvements were proposed to position the panels and the grids better.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Angel S / 2001 / New type of size selective system made of plastic and rubber: The flexigrid / Technical regulations and by?catch criteria in the Barents Sea fisheries : 108
Coreil PD / 1985 / Trawling efficiency device acceptance and use by Louisiana commercial shrimpers / Int Symp on kemp s Ridley Sea Turtle Biology, Conservation and Management
Eayrs S / 2007 / A guide to bycatch reduction in Tropical shrimp?trawl fisheries : 124 ~
Isaksen B / 1992 / Reduction of fish by?catch in shrimp trawl using a rigid separator grid in the aft belly / Fish Res 13 : 335 ~ 352
Kendall D / 1990 / Shrimp retention characteristics of the Morrison Soft TED: a selective webbing exclusion panel inserted in a shrimp trawl net / Fish Res 9 : 13 ~ 21
Coreil PD / 1985 / Trawling efficiency device acceptance and use by Louisiana commercial shrimpers / Int Symp on kemp s Ridley Sea Turtle Biology, Conservation and Management
Eayrs S / 2007 / A guide to bycatch reduction in Tropical shrimp?trawl fisheries : 124 ~
Isaksen B / 1992 / Reduction of fish by?catch in shrimp trawl using a rigid separator grid in the aft belly / Fish Res 13 : 335 ~ 352
Kendall D / 1990 / Shrimp retention characteristics of the Morrison Soft TED: a selective webbing exclusion panel inserted in a shrimp trawl net / Fish Res 9 : 13 ~ 21
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