Zipkin Quantitative Ecology Lab's Projects
An environmental habitat gradient and within-habitat segregation enable co-existence of ecologically similar bird species
Bahlai, C. A., Zipkin, E. F. 2020. The Dynamic Shift Detector: An algorithm to identify changes in parameter values governing populations. PLoS Comput Biol 16(1): e1007542.
Brodie J.E., Helmy O., Mohd-Azlan J., Granados A., Bernard H., Giordano A., and Zipkin E.F. 2018. Models for assessing local-scale co-abundance of animal species while accounting for differential detectability and varied responses to the environment. Biotropica. 50: 5-15.
Cabodevilla, X., Wright, A. D., Villanua, D., Arroyo, B., and Zipkin, E. F. (2022). The implementation of irrigation leads to declines in farmland birds. Agriculture, Ecosystems, and Environment 323 (2022) 107701. https://doi.org/10.1016/j.agee.2021.107701
Example model code to run a basic version of the community hierarchical model with data augmentation
Example code to run a covariate version of the community hierarchical model with data augmentation
This repository contains all necessary materials for a 'Math & Monarchs Module' to be used for K-12 educational purposes. This work is a product of @lxwrght with major contributions from @farrmt & @saund123. The published version of the app can be found at: https://danaus.shinyapps.io/Danaus/.
Davis, K. L., Silverman, E. D., Sussman, A. L., Wilson, R. R., Zipkin, E. F. (2022). Errors in aerial survey count data: Identifying pitfalls and solutions. Ecology and Evolution 12:e8733.
Davis, K.L., S.P. Saunders, S. Beilke, E.R. Ford, J. Fuller, A. Landgraf, E.F. Zipkin. (2023). Breeding season management is unlikely to improve population viability of a data-deficient migratory species in decline. Biological Conservation 283:110104.
DiRenzo, G. V., E. Zipkin, E. C. Grant, J. A. Royle, A. V. Longo, K. Z. Zamudio, and K. R. Lips. 2018. Eco-evolutionary rescue promotes host-pathogen coexistence. Ecological Applications 28: 1948-1962.
DiRenzo G. V., Che‐Castaldo C., Saunders S. P., Campbell Grant E. H., Zipkin E. F. 2019. Disease‐structured N‐mixture models: A practical guide to model disease dynamics using count data. Ecology and Evolution 9: 899–909.
Doser, J. W., Finley, A. O., Kéry, M., & Zipkin, E. F. (2024). spAbundance: An R package for single-species and multi-species spatially-explicit abundance models. Methods in Ecology and Evolution.
Doser, J. W., A. S. Weed, E. F. Zipkin, K. M. Miller, and A. O. Finley. 2021. Trends in bird abundance differ among protected forests but not bird guilds. Ecological Applications 00(00):e02377. 10. 1002/eap.2377
Doser, J. W., Finley, A. O., Weed, A. S., & Zipkin, E. F. (2021). Integrating automated acoustic vocalization data and point count surveys for estimation of bird abundance. Methods in Ecology and Evolution, 12(6), 1040-1049.
Doser, J. W., Leuenberger, W., Sillett, T. S., Hallworth, M. T., & Zipkin, E. F. (2022). Integrated community occupancy models: A framework to assess occurrence and biodiversity dynamics using multiple data sources. Methods in Ecology and Evolution. https://doi.org/10.1111/2041-210X.13811
Doser, J. W., Finley, A. O., Kéry, M., & Zipkin, E. F. (2022). spOccupancy: An R package for single-species, multi-species, and integrated spatial occupancy models. Methods in Ecology and Evolution. DOI: https://doi.org/10.1111/2041-210X.13897
Farr, M.T., Green, D.S., Holekamp, K.E., Roloff, G.J., & Zipkin, E.F. 2019. Multi-species hierarchical modeling reveals variable responses of African carnivores to management alternatives. Ecological Applications 9(2): e01845.
Farr, M. T., D. S. Green, K. E. Holekamp, and E. F. Zipkin. 2021. Integrating distance sampling and presence-only data to estimate species abundance. Ecology 102(1):e03204. 10.1002/ecy.3204
M.T. Farr, T. O’Brien, C.B. Yackulic, and E.F. Zipkin. (2022). Quantifying the conservation status and abundance trends of wildlife communities with detection-nondetection data. Conservation Biology e13934.
Green, D.S., Farr, M.T., Holekamp, K.E., Strauss, E.D., & Zipkin, E.F. 2019. Can hyena behavior predict abundances of sympatric carnivores? Philosophical Transactions of the Royal Society 374(1781): 20180052.
Lab policies and operating procedures
Ribeiro, J.W., Siqueira, T., Brejão, G.L., & Zipkin E.F. 2018. Effects of agriculture and topography on tropical amphibian species and communities. Ecological Applications. 28: 1554-1564.
Rossman R., Yackulic C., Saunders S.P., Reid J., Davis R., and Zipkin E.F. 2016. Dynamic N-occupancy models: estimating demographic rates and local abundances from detection-nondetection data. Ecology. 97: 3300-3307.
Rossman S., Ostrom P.H., Gordon F., and Zipkin E.F. 2016. Beyond carbon and nitrogen: guidelines for estimating three‐dimensional isotopic niche space. Ecology and Evolution 6: 2405-2413.