A simple method to estimate the significance level of the catch probability in the catch removal method in riverf ish populations
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SourceFisheries Research 44 (1999) 179-182
This work presents a method for estimating the signi®cance level of the capture probability when the capture removal method is used in riverine ®sh populations. The method is based on adjustment of the linear relationship between capture probability and an index of capture ef®cacy. With this method the population size, the statistic 2 and the signi®cance level of the capture probability can be estimated. This is a simple technique which can be applied in the ®eld at the time of sampling. It does not require the use of computers and can determine in situ whether the catch is valid to calculate the population density.
SubjectsCatch removal method; Fish population; Maximum likelihood; Probability
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