Data from: Identifying drivers of spatial variation in occupancy with limited replication camera trap data
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https://datadryad.org/dataset/doi:10.5061/dryad.34kb373
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资源简介:
Occupancy models are widely used in camera trap studies to analyze species
presence, abundance, and geographic distribution, among other important
ecological quantities. These models account for imperfect detection using
a latent variable to distinguish between true presence/absence and
observed detection of a species. Under certain experimental setups,
parameter estimation in a latent variable framework can be challenging.
Several studies have issued guidelines on the number of independent
replicated observations (surveys) needed for each unchanging occupancy
field (season) to ensure reliable estimation. In this paper we present a
spatio-temporal occupancy model, and show through a simulation study that
it can be fit to data obtained from a \textit{single} survey per season,
so long as the number of seasons is sufficiently large. We include an
application using camera-trap data on the Thomson's gazelle in the
Serengeti in Tanzania.
提供机构:
Dryad
创建时间:
2018-05-03



