| 墨西哥湾海洋环境对蓝蟹(Callinectes sapidus)幼体分布和扩散的影响 |
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| 引用本文： | 朱现晔,吴克俭,石永芳.墨西哥湾海洋环境对蓝蟹(Callinectes sapidus)幼体分布和扩散的影响[J].海洋科学,2019,43(11):42-48. |
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| 作者姓名： | 朱现晔 吴克俭 石永芳 |
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| 作者单位： | 中国海洋大学 物理海洋教育部重点实验室,山东 青岛,266100;自然资源部第一海洋研究所,山东青岛,266061 |
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| 基金项目： | 国家重点研发计划项目（2016YFC1402000） |
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| 摘 要： | 本文以蓝蟹为例,研究海洋环境对甲壳动物幼体迁移规律和机制的影响。利用不规则三角形网格和有限体积模型(finite-volume coastal ocean model, FVCOM)耦合kinesis模型的方法,分析研究了墨西哥湾物理环境对蓝蟹(Callinectessapidus)幼体的分布和扩散途径的影响。蓝蟹在每年的四、五月份海水落潮期间产卵,通过跟踪算法从产卵区域沿着墨西哥湾海域进行模拟,获得了80天内蓝蟹幼体的粒子移动轨迹,记录并分析了幼体经过海域的盐度值。研究结果证明了该方法可有效模拟蓝蟹幼体在特定海域的迁移规律和扩散机制,进一步研究可为了解海洋物理环境对蓝蟹和其他渔业资源的影响提供借鉴。
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| 关 键 词： | 蓝蟹(Callinectes sapidus) FVCOM(finite-volume coastal ocean model) kinesis模型 扩散 盐度 |
| 收稿时间： | 2019/6/21 0:00:00 |
| 修稿时间： | 2019/8/2 0:00:00 |
The effect of physical environment on the distribution and dispersal of blue crab (Callinectes sapidus) larvae in the Gulf of Mexico |
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| ZHU Xian-ye,WU Ke-jian and SHI Yong-fang.The effect of physical environment on the distribution and dispersal of blue crab (Callinectes sapidus) larvae in the Gulf of Mexico[J].Marine Sciences,2019,43(11):42-48. |
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| Authors: | ZHU Xian-ye WU Ke-jian and SHI Yong-fang |
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| Institution: | Key Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China,Key Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China and First Institute of Oceanography, MNR, Qingdao 266061, China |
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| Abstract: | In this study, blue crab (Callinectes sapidus) larvae were considered an example to study the effects ofthemarine environment on the migration and migration mechanism of crustacean larvae. The effects of the physical environment of the Gulf of Mexico on the distribution and diffusion pathways of the blue crab larvae were analyzed using the finite-volume coastal ocean model coupled with the Kinesis model. Blue crabs lay their eggs during the tides of the sea in April and May every year. In this study, a tracking algorithm was used to simulate the granules of the blue crab larvae from the spawning area along the Gulf of Mexico. The salinity values were also recorded and analyzed. The results demonstrate that the proposed method can effectively simulate the migration and diffusion mechanism of blue crab larvae in specific sea areas. Further research can provide a reference for understanding the impact of the marine physical environment on blue crabs and other fishery resources. |
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| Keywords: | blue crab (Callinectes sapidus) FVCOM (finite-volume coastal ocean model) Kinesis model dispersal salinity |
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