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靖海湾和五垒岛湾放流增殖中国对虾的回游与分布

On Distribution and Migration of the Chinese Prawns Released for Enhancement in the Jinghai Bay and the Wuleidao Bay
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摘要 用烧结法标志中国对虾,在靖海湾和五垒岛湾进行增殖放流,研究其回游与分布规律。重捕资料表明,6月中旬幼对虾对湾内河口浅水区生活随体长增长,逐步向深水扩散;8月上,中旬主群陆续游向湾外,按地形走向向西南回游,部分向东或东南;10月份回游对湾外水域的对虾有向东,东北或东南回游的现象。 The paper described the distribution and migration of the Chinese Prawns,Penaeus chinesis,tagged stocking for enhancement in the Jinghai Bay and the Wuleidao Bay.In order to know the law of their distribution and migration,the stocking prawns were all tagged.Based on the recapture data,the tagged young prawns stayed in the shallow water area near the river mouth in the middle ten days of June,and then along with the body length increased,they gradually spreaded in the deep water area in the Bay,till the first ten days and the middle ten days of August,the major population of the tagged prawns began to migrate towards southwest to get out from the Bay and continued to migrate towards southwest,partially towards east or southeast.In October the tagged prawns in the water area outside the Bay migrated towards east,northeast or southeast.The average velocity for migration of the young prawns was 0.97 km/day,the adult prawns,6.88 km/day.The result,appraised by experts,is in the lead at home.
作者 刘永昌 高永福 Liu Yongchang et al (Marine Fishery Research Institute of Shandong Province,Yantai 264000)
出处 《齐鲁渔业》 1997年第3期3-5,共3页 Shandong Fisheries
基金 山东省科技发展计划重点项目
关键词 靖海湾 五垒岛湾 中国对虾 放流 回游 分布 tagged stocking of prawns migration distribution Penaeus chinesis
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