RShiny App for Trophic Discrimination Factors and Diet Analysis
This RShiny app provides guidance in using trophic discrimination factors (TDFs) for isotope analysis of wildlife diets based upon Stephens et al. 2023:
https://remingtonmoll.shinyapps.io/tdf_working
Citation
Stephens, R. B., O. N. Shipley, & R. J. Moll. 2023. Meta‐analysis and critical review of trophic discrimination factors (Δ13C and Δ15N): Importance of tissue, trophic level and diet source. Functional Ecology, 37: 2535-2548. https://doi.org/10.1111/1365-2435.14403
National Map of Coyote Abundance Across the USA
The image below depicts coyote abundance predicted by a model fit to data from 4587 research sites deployed across the USA from 2019-2021. The map is available as a geotiff at this Figshare link.
Citation
Moll, R. J., A. M. Green, M. L. Allen, & R. Kays. 2025. People or predators? Comparing habitat‐dependent effects of hunting and large carnivores on the abundance of North America’s top mesocarnivore. Ecography, 2025: e07390. https://doi.org/10.1111/ecog.07390
