陈丕茂. 渔业资源增殖放流效果评估方法的研究[J]. 南方水产科学, 2006, 2(1): 1-4.
引用本文: 陈丕茂. 渔业资源增殖放流效果评估方法的研究[J]. 南方水产科学, 2006, 2(1): 1-4.
CHEN Pimao. Study on the method for assessment of enhancement effect of fishery stock[J]. South China Fisheries Science, 2006, 2(1): 1-4.
Citation: CHEN Pimao. Study on the method for assessment of enhancement effect of fishery stock[J]. South China Fisheries Science, 2006, 2(1): 1-4.

渔业资源增殖放流效果评估方法的研究

Study on the method for assessment of enhancement effect of fishery stock

  • 摘要: 依据渔业资源评估原理,结合渔业资源增殖放流的特点,提出一套计算群体生物统计量进而评估渔业资源增殖放流效果的方法。选用渔业资源评估模型,估算未建立生长方程的增殖放流种类的生长参数及其自然死亡系数,以及增殖放流种类的合理放流数量。提出确认渔获物中来自放流种苗数量的方法。推导了计算捕捞死亡系数和按时间序列计算放流群体残存量、回捕量、回捕率和回捕效益等的公式。

     

    Abstract: Based on the theory of fishery resources assessment and the characteristics of fishery stock enhancement and releasing, the method was put forward to assess the enhancement effect of fishery stock by calculating the biological statistics amount of population. The growth parameters and natural mortality coefficients of the enhancement species that hadn't been built the growth equations were estimated and the suitable enhancement amounts of all enhancement species were estimated by choosing the suitable model of fishery stock assessment. The method to confirm the recapture amount from the enhancement seedlings of the total catch was pointed out. The formulas to estimate the fishing mortality coefficient, and the surplus amount, the recapture amount, the recapture rate as well as the recapture benefit from the enhancement population by the time series were developed.

     

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