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ga-bear-pva

Data and code for Central Georgia black bear population viability analysis (PVA). The PVA involved forecasting with a female-based population model fit to spatial capture-recapture data.

Hooker, M.J., R.B. Chandler, B.T. Bond, and M.J. Chamberlain. In press. Assessing population viability of black bears using spatial capture-recapture models. Journal of Wildlife Management.

File descriptions

Data files

  • Compressed R data file with the encounter histories, trap coordinates, and trap operational status information.
  • GeoTiff spatial layer defining the state space.

R scripts

  • Compute summary statistics and create maps of the detection locations, referenced by year, for each bear.
  • Fit the model with the lowest WAIC score. The other models were run on the UGA cluster. That code is not included here.

  • Warning It takes about a day to run this script.

  • Forecast with the fitted model. Depends on the forecast function in R/forecast_fn.R

  • Warning It takes about a day to run this script.

  • Function for forecasting population dynamics.
  • Assess sensitivity of results to specification of the state space.

JAGS model

  • The most supported model.

Figures

Supporting information

  • TeX file with supporting information accompanying the paper.

DOI

DOI