Multi-species frog occupancy code

Abstract/Summary

This code processes frog and toad survey data from the upper Midwest and fits a Bayesian multi-species occupancy model that includes imperfect detection, species associations, and species traits. The focus in on changes in occupancy of Blanchard's cricket frog (Acris blanchardi) from the 2000s to 2024, and effects of land cover covariates on occupancy.

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