Using spatial capture–recapture to elucidate population processes and space-use in herpetological studies
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Abstract
The cryptic behavior and ecology of herpetofauna make estimating the impacts of environmental change on demography difficult; yet, the ability to measure demographic relationships is essential for elucidating mechanisms leading to the population declines reported for herpetofauna worldwide. Recently developed spatial capture–recapture (SCR) methods are well suited to standard herpetofauna monitoring approaches. Individually identifying animals and their locations allows accurate estimates of population densities and survival. Spatial capture–recapture methods also allow estimation of parameters describing space-use and movement, which generally are expensive or difficult to obtain using other methods. In this paper, we discuss the basic components of SCR models, the available software for conducting analyses, and the experimental designs based on common herpetological survey methods. We then apply SCR models to Red-backed Salamander (Plethodon cinereus), to determine differences in density, survival, dispersal, and space-use between adult male and female salamanders. By highlighting the capabilities of SCR, and its advantages compared to traditional methods, we hope to give herpetologists the resource they need to apply SCR in their own systems.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Using spatial capture–recapture to elucidate population processes and space-use in herpetological studies |
| Series title | Journal of Herpetology |
| DOI | 10.1670/15-166 |
| Volume | 50 |
| Issue | 4 |
| Year Published | 2016 |
| Language | English |
| Publisher | Society for the Study of Amphibians and Reptiles |
| Publisher location | Riverside, CA |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 12 p. |
| First page | 570 |
| Last page | 581 |
| Google Analytic Metrics | Metrics page |