| 天津海域口虾蛄群体结构及资源量分析 |
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| 引用本文： | 谷德贤,刘茂利. 天津海域口虾蛄群体结构及资源量分析[J]. 河北渔业, 2011, 0(8): 24-26. DOI: 10.3969/j.issn.1004-6755.2011.08.008 |
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| 作者姓名： | 谷德贤 刘茂利 |
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| 作者单位： | 天津市水产研究所,天津,300221 |
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| 摘 要： | 根据2009年5、8、10、12四个月的口虾蛄调查数据,对口虾蛄的群体结构,资源密度,捕捞产量进行分析研究.结果表明,全年口虾蛄的平均体长为101.72 mm,优势体长组为101-120 mm,平均体重为17.12g,优势组体重为1-10 g.口虾蛄的平均资源密度为837.43 kg/km2,夏季的资源密度最大,冬季最...
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| 关 键 词： | 天津海域 口虾蛄 群体结构 资源密度 |
Analysis on the Population structure and abundance of Oratosquilla oratoria in Tianjin Sea Area |
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| GU De-xian,LIU Mao-li. Analysis on the Population structure and abundance of Oratosquilla oratoria in Tianjin Sea Area[J]. Hebei Fisheries, 2011, 0(8): 24-26. DOI: 10.3969/j.issn.1004-6755.2011.08.008 |
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| Authors: | GU De-xian LIU Mao-li |
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| Affiliation: | (Tianjin Fisheries Research Institute 300221) |
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| Abstract: | Based on the survey data of May,August,October,December in 2009,This paper analysis the Population structure,stock density,fishing catch.The result showed that： All-year it＇s average size of the animals is 101.72 mm,the dominant group is 101～120 mm,average weight is 17.12 g,the dominant group is 1～10 g.The stock density of Oratosquilla oratoria is 837.43 kg/km2,Maximum appeared in su mmer,minimum appeared in winter.Oratosquilla oratoria fishing catch decreased year by year. |
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| Keywords: | Tianjin Sea Area Oratosquilla oratoria Population structure stock density |
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