Consistent estimation of species abundance from a presence-absence map

Christine H. Müller, Richard Huggins and Wen-Han Hwang

Statistics & Probability Letters, 2011, vol. 81, issue 9, 1449-1457

Abstract: The estimation of the abundance of a species using the presence or absence of the species over a grid of cells simplifies data collection but the resulting statistical analysis is challenging. Several estimators have been proposed but their properties are unknown. Here we consider a generalized gamma-Poisson model which allows dependencies across the grid and develop a new estimator for this model. It is shown that this estimator is consistent, allowing us to conclude that it is indeed possible to estimate abundance from presence-absence maps.

Keywords: Presence; absence; map; Consistency; Gamma-Poisson; model (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (3)

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