Publications

Google Scholar Site

Peer Reviewed

†Graduate student author, *undergraduate student author 

Kulig, E.N.†, J. Van Gunst, M.J. Hernandez†, Y. Luong*, M. Villaseñor*, R.S. Crowhurst, C.W. Epps, J.A. Castillo Vardaro. 2025. Climate drives genetic diversity loss in American Pika (Ochotona princeps) populations in the Great Basin, Journal of Mammalogy. https://doi.org/10.1093/jmammal/gyaf021

Sowa, S.L.*, Y. Luong*, G.S. Quezada*, B.K. Scott*, and J.A. Castillo Vardaro. 2023. First Record of a Siberian Rubythroat (Calliope calliope) in the Conterminous United States. Western Birds, 54:309–312; DOI 10.21199/WB54.4.3

A. L. Whipple, C. Ray, J. Varner, J. N. Kitchens, A.A. Hove, J. A. Castillo Vardaro & J. L. Wilkening. 2022. Stress-associated metabolites vary with both season and habitat across populations of a climate sentinel species, Arctic, Antarctic, and Alpine Research, 54:1, 603-623, DOI: 10.1080/15230430.2022.2146633

Tran, T.T*., Carter, B.E. & J.A. Castillo Vardaro. 2022. Predicted threats to a native squirrel from two invading species based on citizen science data. Biol Invasions. 24: 3539–3553. https://doi.org/10.1007/s10530-022-02859-7

Castillo Vardaro, J.A., J.A. Bonachela, C.C.M. Baker, M.L. Pinsky, D. Doak, R.M. Pringle, C. Tarnita. 2021. Resource availability and heterogeneity shape the self-organization of regular spatial patterning. Ecology Letters. DOI: 10.1111/ele.13822

Baker, C.C.M, J.A. Castillo Vardaro, D. Doak, J. Pansu, J. Puissant, R.M. Pringle, C. Tarnita. 2020 Spatial patterning of soil microbial communities created by fungus-farming termites. Molecular Ecology. 29: 4487– 4501. https://doi.org/10.1111/mec.15585

Smith, A.B., E.A. Beever, A.E. Kessler, A.N. Johnston, C. Ray, C.W. Epps, H.C. Lanier, R.C. Klinger, T.J. Rodhouse, J. Varner, J.D. Perrine, A. Seglund, L.E. Hall, K. Galbreath, C. MacGlover, P. Billman, G. Blatz, J. Brewer, J.A. Castillo Vardaro, A.D. Chalfoun, G. Collins, A. Craighead, C. Curlis, C. Daly, D.F. Doak, M. East, M. Edwards, L. Erb, K.A. Ernest, B. Fauver, K.R. Foresman, K. Goehring, J. Hagar, C.L. Hayes, P. Henry, K. Hersey, S.L. Hilty, J. Jacobson, M.R. Jeffress, T. Manning, A. Masching, B. Maxell, R. McCollough, C. McFarland, E. Miskow, T.L. Morelli, L. Moyer-Horner, M. Mueller, M. Nugent, B. Pratt, M. Rasmussen-Flores, T.H. Rickman, H. Robison, A. Rodriguez, K. Rowe, K. Rowe, M.A. Russello, V. Saab, A. Schmidt, J.A. E. Stewart, J.N. Stuart, L.K. Svancara, W. Thompson, J. Timmins, G. Treinish, M.D. Waterhouse, M.L. Westover, J. Wilkening, L. Yandow. 2019. Alternatives to genetic affinity as a context for within-species response to climate. Nature Climate Change 9(10): 787-794. https://doi.org/10.1038/s41558-019-0584-8

Castillo Vardaro, J.A., C.W. Epps, B.W. Frable, and C. Ray. 2018. Identification of a contact zone and hybridization for two subspecies of the American pika (Ochotona princeps) within a single protected area. PLOS ONE 13(7): e0199032. https://doi.org/10.1371/journal.pone.0199032

Rodhouse, T.J., M.R. Jeffress, K.R. Sherrill, S.R. Mohren, N.J. Nordensten, M.L. Magnuson, D. Schwalm, J.A. Castillo, M. Shinderman, and C.W. Epps. 2018. Geographical variation in the influence of habitat and climate on site occupancy turnover in American pika (Ochotona princeps). Diversity and Distributions. DOI: 10.1111/ddi.12791

Zero, V.H., A. Barocas, D.M. Jochimsen, A. Pelletier, X. Giroux-Bougard, D.R. Trumbo, J.A. Castillo, D. Evans Mack, M.A. Linnell, R.M. Pigg, J. Hoisington-Lopez, S.F. Spear, M.A. Murphy, L.P. Waits. 2017. Complementary network-based approaches reveal conservation priorities for two vulnerable ground squirrel species. Frontiers in Genetics. DOI:10.3389/fgene.2017.00081.

Castillo, J.A., C.W. Epps, M.R. Jeffress, C. Ray, T.J. Rodhouse, and D. Schwalm. 2016. Replicated landscape genetic and network analyses reveal wide variation in functional connectivity for American pikas. Ecological Applications 26:1660-1676.

Schwalm, D., C.W. Epps, T.J. Rodhouse, W.B. Monahan, J.A. Castillo, and C. Ray. 2016. Habitat availability and gene flow influence diverging local population trajectories under scenarios of climate change: a place-based approach. Global Change Biology 22:1572–1584. 

Castillo, J. A., C. W. Epps, A. R. Davis, and S. A. Cushman. 2014. Landscape effects on gene flow for a climate-sensitive montane species, the American pika. Molecular Ecology 23:843-856.

Epps, C. W., J. A. Castillo, A. Schmidt-Kuentzel, P. du Preez, G. Stuart-Hill, M. Jago, and R. Naidoo. 2013. Contrasting Historical and Recent Gene Flow among African Buffalo Herds in the Caprivi Strip of Namibia. Journal of Heredity 104:172-181.

Reports and Outreach

Epps, C. W. and J.A. Castillo. 2011. Pikas in Peril Project Research Objective Brief. National Parks Service, Upper Columbia Basin Network. Read here

Epps, C.W., D. Schwalm, J.A. Castillo, et al. (2013). Analysis of Proposed Rock Quarrying and Trail Improvement Impacts on American Pikas in Grand Teton National Park. NPS Natural Resource Technical Report (NPS/UCBN/NRTR-2013/756) 

Pikas in Peril Project. Click for website