A MODEL OF BETWEEN-HAUL VARIATION IN SELECTIVITY

被引：291

作者：

FRYER, RJ

机构：

[1] SOAFD Marine Laboratory, Aberdeen, AB9 8DB, P.O. Box 101, Victoria Road

来源：

ICES JOURNAL OF MARINE SCIENCE | 1991年 / 48卷 / 03期

关键词：

D O I：

10.1093/icesjms/48.3.281

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

The selectivity of the same fishing net can vary between hauls. Most selectivity models ignore this between-haul variation by pooling data over hauls. This approach is shown to result in misleadingly small parameter standard errors, which can lead to incorrect inferences about the differences between nets. A model is developed which incorporates between-haul variation and which provides realistic parameter standard errors. Methods of parameter estimation are described. The model is illustrated by a comparison of the selectivity of two nets. © 1991 Conseil International pour l'Exploration de la Mer.

引用

页码：281 / 290

页数：10

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