| 黄海北部放流虾的死亡特征和去向的研究 |
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| 引用本文： | 叶昌臣,孙德山.黄海北部放流虾的死亡特征和去向的研究[J].海洋水产研究,1994(15):31-39. |
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| 作者姓名： | 叶昌臣 孙德山 |
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| 作者单位： | 辽宁省海洋水产研究所，辽宁省渔业开发中心，丹东市渔指，王河市水产局，东沟县水产局，辽宁省渔业开发中心，辽宁省渔业开发中心 大连116023 |
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| 摘 要： | 描述了黄海北部中国对虾放流虾的死亡特征和去向,结果是机械死亡7.8%,突然死亡16.8%,纳潮死亡7.0%,自然死亡14.4%,8月15日前的非法捕捞死亡10.0%,合计56%。到开捕时放流虾存活的数量约为放流量的10.5%,总计为66.5%,有33.5%的放流虾去向不明。如果将20%的计量误差考虑在内,约有14%的放流虾去向不明。在渔汛期间,存活到开捕时的放流虾,约有82%被捕捞,自然死亡11%,余7%游出黄海北部。
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| 关 键 词： | 放流对虾 死亡特征 去向 黄海北部 |
THE DIRECTION OF RELEASED SHRIMP(PENAEUS ORIENTALIS)AND THEIR DEATH CHARACTERISTICS IN THE NORTHERN YELLOW SEA |
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| Ye Changchen Sun Deshan Zhen Baotai Leng lianpeng Du Qinglin Wang Xihong Song Dianguang.THE DIRECTION OF RELEASED SHRIMP(PENAEUS ORIENTALIS)AND THEIR DEATH CHARACTERISTICS IN THE NORTHERN YELLOW SEA[J].Marine Fisheries Research,1994(15):31-39. |
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| Authors: | Ye Changchen Sun Deshan Zhen Baotai Leng lianpeng Du Qinglin Wang Xihong Song Dianguang |
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| Institution: | Ye Changchen Sun Deshan Zhen Baotai Leng lianpeng Du Qinglin Wang Xihong Song Dianguang |
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| Abstract: | The direction in which the released young Chinese shrimp has gone and their death characteristics have been described.The results are:7.8% mortality caused by mech- anical injure,16.8% by abrupt event,7.0% by channel sea water to breed the shrimp, 14.4% natural mortality and 10.0% by unlawful fishing before August 15.The total mortality is 56%.Up to opening date(August 25)the survival rate estimated with cohort analysis is 10.5%.The total observed is 66.5%.About 33.5% of released young shrimp was therefore unknown where they have gone.If the 20% of method error had been thought over,about 14% released shrimp were unknown the direction. |
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| Keywords: | Death characteristics direction of releasing Penaeid shrimp migratory direction |
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