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Methodology for estimating the abundance of rare animals: seabird nesting on North East Hearld Cay

Welsh, Alan; Cunningham, Ross; Chambers, Robert


We discuss the problem of estimating the number of nests of different species of seabirds on North East Herald Cay based on the data from a 1996 survey of quadrats along transects and data from similar past surveys. We consider three approaches based on different plausible models, namely a conditional negative binomial model that allows for additional zeros in the data, a weighting approach (based on a heteroscedastic regression model), and a transform-both-sides regression approach. We find...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Biometrics


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