期刊
FISHERIES SCIENCE
卷 67, 期 1, 页码 134-137出版社
JAPANESE SOC FISHERIES SCIENCE
DOI: 10.1046/j.1444-2906.2001.00209.x
关键词
Akaike information criterion; masu salmon; maximum likelihood method; Oncorhynchus masou; smelt size
类别
The relationship between mean weights of hatchery-reared masu salmon Oncorhynchus masou smelts at release and the subsequent recovery rates by coastal commercial fisheries in Hokkaido, northern Japan, was investigated using the maximum likelihood method. A strongly positive correlation was observed, showing smelts with a mean of 32.6 g obtained an approximately 20-fold recovery rate of those with a mean of 14.8g. The model with log-transformed independent variable (Y-i=-11.237+4.239 ln X-i) was selected as the most parsimonious model to represent the release size (X-i) and recovery rate (Y-i) relationship.
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