Of bugs and birds: Markov Chain Monte Carlo for hierarchical modeling in wildlife research
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Abstract
Markov chain Monte Carlo (MCMC) is a statistical innovation that allows researchers to fit far more complex models to data than is feasible using conventional methods. Despite its widespread use in a variety of scientific fields, MCMC appears to be underutilized in wildlife applications. This may be due to a misconception that MCMC requires the adoption of a subjective Bayesian analysis, or perhaps simply to its lack of familiarity among wildlife researchers. We introduce the basic ideas of MCMC and software BUGS (Bayesian inference using Gibbs sampling), stressing that a simple and satisfactory intuition for MCMC does not require extraordinary mathematical sophistication. We illustrate the use of MCMC with an analysis of the association between latent factors governing individual heterogeneity in breeding and survival rates of kittiwakes (Rissa tridactyla). We conclude with a discussion of the importance of individual heterogeneity for understanding population dynamics and designing management plans.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Of bugs and birds: Markov Chain Monte Carlo for hierarchical modeling in wildlife research |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3803160 |
| Volume | 66 |
| Issue | 2 |
| Year Published | 2002 |
| Language | English |
| Publisher | The Wildlife Society |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 15 p. |
| First page | 277 |
| Last page | 291 |
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