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Application of the relative weight index to juvenile walleyes

机译:相对体重指数在幼年角膜白斑中的应用

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Weight-length data for juvenile walleyes Stizostedion vitreum from 39 populations (N = 2,006) in seven states were used to develop a standard weight (W_s) equation. We used the regression-line-percentile technique, which provides a 75th-percentile standard, to develop the equation. The proposed W_s equation is log_(10)W_s(g) = -4.804 + 2.869 log_10 total length (TL, mm). The equivalent in English units is log_(10)W_s(1b) = -3.431 + 2.869 log_(10)TL(in). The walleye W_s equation is valid for juvenile fish between 30 and 149 mm. This proposed W_s equation should serve as a basis for further evaluation of W_r as an index and the continued development of W_s equations for juvenile fishes.
机译:来自七个州的39个种群(N = 2,006)的幼年壁眼玻璃体Stizostedion vitreum的重量长度数据用于建立标准重量(W_s)方程。我们使用回归线百分比技术(提供第75个百分点的标准)来开发方程。提出的W_s方程为log_(10)W_s(g)= -4.804 + 2.869 log_10总长度(TL,mm)。等效的英语单位为log_(10)W_s(1b)= -3.431 + 2.869 log_(10)TL(in)。壁角W_s方程对30至149毫米之间的幼鱼有效。提出的W_s方程应作为进一步评估W_r的指标和幼鱼W_s方程的基础。

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