Methods for joint inference from panel survey and demographic data |
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Authors: | Besbeas Panagiotis Freeman Stephen N |
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Institution: | Institute of Mathematics and Statistics, University of Kent, Canterbury, UK. P.T.Besbeas@kent.ac.uk |
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Abstract: | A number of methods for joint inference from animal abundance and demographic data have been proposed in recent years, each with its own advantages. A new approach to analyzing panel survey and demographic data simultaneously is described. The approach fits population-dynamics models to the survey data, rather than to a single index of abundance derived from them and thus avoids disadvantages inherent in analyzing such an index. The methodology is developed and illustrated with British Lapwing data, and the results are compared with those obtained from existing approaches. The estimates of demographic parameters and population indices are similar for all methods. The results of a simulation study show that the new method performs well in terms of mean squared error. |
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