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Position: Home > Articles > Analysis on the Population structure and abundance of Oratosquilla oratoria in Tianjin Sea Area Hebei Fisheries 2011 (8) 28-30

天津海域口虾蛄群体结构及资源量分析

作  者:
谷德贤;刘茂利
单  位:
天津市水产研究所
关键词:
天津海域;口虾蛄;群体结构;资源密度
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,冬季最低。口虾蛄捕捞产量呈逐年降低趋势。
译  名:
Analysis on the Population structure and abundance of Oratosquilla oratoria in Tianjin Sea Area
作  者:
GU De-xian,LIU Mao-li(Tianjin Fisheries Research Institute 300221)
关键词:
Tianjin Sea Area;Oratosquilla oratoria;Population structure;stock density
摘  要:
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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