Perry Williams

Assistant Professor, Statistical Ecology

Department: Natural Resources & Environmental Science
Office: 775-682-8141
Email: perryw@unr.edu
Building: FA
Room: 240
Mailstop: 186
Website: www.perrywilliams.us/

Summary

Statistical and mathematical methods for estimating population processes to improve wildlife management and conservation.

Education

B.A. Saint Olaf College 2006 - Biology
M.S. University of Minnesota 2008 - Wildlife Ecology
M.S. Colorado State University 2015 - Statistics
Ph.D. Colorado State University 2016 - Wildlife Ecology

Publications

Book Chapter(s)

Decision making and monitoring strategies in natural resource management and conservation.

2020

In Yeqiao Wang (Ed.), Handbook of Natural Resources, Second Edition. CRC Press

Gerber, B., Williams, P. J.

Bulletins

Use of private lands for foraging by California spotted owls in the central Sierra Nevada.

2014

Wildlife Society Bulletin 38:705-709.

Williams, P. J., S. H. Whitmore, and R. J. Gutierrez.

Occupancy dynamics of breeding crawfish frogs in southeastern Indiana.

2012

Wildlife Society Bulletin 36:350-357

Williams, P. J., J. R. Robb, and D. R. Karns.

Journals

Comparing contemporary models to traditional indices to estimate abundance of desert bighorn sheep

2024

The Journal of Wildlife Management, 88(2), e22517

Blum, M. E., Buderman, F. E., Bennett, J. R., Stewart, K. M., Cox, M., & Williams, P. J.

A hierarchical modelling framework for estimating individual- and population-level reproductive success from movement data.

2023

Methods in Ecology and Evolution, 14(8), 2110-2122

Eisaguirre, J. M., Williams, P. J., Brockman, J. C., Lewis, S. B., Barger, C. P., Breed, G. A., & Booms, T. L.

Embracing asymmetry in nature: How to account for skewness in ecological data.

2023

Ecological Informatics, 75, 102085

Williams, P. J., Lu, X., Scharf, H. R., & Hooten, M. B.

Henslow’s Sparrow shows positive response to prescribed fire rotation

2023

Ornithological Applications, 125(3)

Keating, M. P., Williams, P. J., Robb, J. R., Buderman, F. E., Lewis, J. P., Vanosdol, T., & Harer, R.

Informing management of recovering predators and their prey with ecological diffusion models.

2023

Frontiers in Ecology and the Environment, 21(10), 479-488

Eisaguirre, J. M., Williams, P. J., Lu, X., Kissling, M. L., Schuette, P. A., Weitzman, B. P., Beatty, W. S., Esslinger, G. G., Womble, J. N., & Hooten, M. B.

Constructing flexible, identifiable, and interpretable statistical models for binary data

2022

International Statistical Review 90:328-345

Scharf, HR, X Lu, PJ Williams, and MB Hooten

Estimating survival and adoption rates of dependent juveniles

2022

Ecology and Evolution, Volume12, Issue6 June 2022 e9005

Street, P, TV Riecke, PJ Williams, TL Behnke, and JS Seidiger

Diffusion modeling reveals effects of multiple release sites and human activity on a recolonizing apex predator.

2021

Movement Ecology, 9(34)

Williams, P. J., Eisaguirre, J. M., Lu, X., Kissling, M. L., Beatty, W. S., Esslinger, G. G., … Hooten, M. B.

Harbor seals as sentinels of ice dynamics in tidewater glacier fjords.

2021

Frontiers in Marine Science, 8

Womble, J. N., Williams, P. J., McNabb, R. W., Prakash, A., Gens, R., Sedinger, B. S., & Acevedo, C. R.

Individual heterogeneity in fitness in a long-lived herbivore.

2021

Ecology and Evolution, 11(21), 15164–15173

Lohman, M. G., Riecke, T. V., Williams, P. J., & Sedinger, J. S.

Recursive Bayesian computation facilitates adaptive optimal design in ecological studies.

2021

Ecology, Volume103, Issue2

Leach, C. B., Williams, P. J., Eisaguirre, J. M., Womble, J. N., Bower, M. R., & Hooten, M. B.

Estimating reproduction and survival of unmarked juveniles from marked parents.

2020

Journal of Agricultural, Biological, and Environmental Statistics

Williams, P. J., Schroeder, C., Jackson, P.

Long-term research and hierarchical models reveal consistent fitness costs of being the last egg in a clutch.

2020

Journal of Animal Ecology, 89(8), 1978-1987

Acevedo, C. R., Riecke, T. V., Leach, A. G., Lohman, M., Williams, P. J., Sedinger, J. S.

Nonlinear reaction-diffusion process models improve inference for population dynamics.

2020

Environmetrics, 31(3), e2604

Lu, X., Williams, P. J., Hooten, M., Powell, J., Womble, J., Bower, M.

Model Selection using Multi-Objective Optimization.

2019

Ecological Modelling, 404, 21-26

Williams, P. J., Kendall, W. L., Hooten, M. B.

The rise of an apex predator following deglaciation.

2019

Diversity and Distributions, 25(6), 895-908.

Williams, P. J., Hooten, M. B., Esslinger, G. G., Womble, J. N., Bodkin, J. L., Bower, M. R.

A guide to Bayesian model checking for ecologists.

2018

Ecological Monographs Volume 88, Issue 4

Conn, P., Johnson, D., Williams, P. J., Melin, S., Hooten, M.

Monitoring dynamic spatio-temporal ecological processes optimally.

2018

Ecology 99:524-535

Williams, P. J., M. B. Hooten, J. N. Womble, G. G. Esslinger, and M. R. Bower.

A guide to multi-objective optimization for ecological problems.

2017

Ecological Modelling 343:54-67

Williams, P. J., and W. L. Kendall.

An integrated data model to estimate spatio-temporal occupancy, abundance, and colonization dynamics.

2017

Ecology 98:328-336

Williams, P. J., M. B. Hooten, J. N. Womble, G. G. Esslinger, M. R. Bower, and T. J. Hefley.

Estimating occupancy and abundance using aerial images with imperfect detection.

2017

Methods in Ecology and Evolution 8:1679-1689

Williams, P. J., M. B. Hooten, J. N. Womble, and M. R. Bower.

Combining statistical inference and decisions in ecology.

2016

Ecological Applications 26: 1930-194

Williams, P. J., and M. B. Hooten.

Primates and Cameras: Non-invasive sampling to make population-level inferences while accounting for imperfect detection.

2014

International Journal of Primatology 35:841-858

Gerber, B. D., P. J. Williams, and L. L. Bailey.

Surveying a threatened amphibian species through a narrow detection window.

2013

Copiea 2013:552-561

Williams, P. J., N. J. Engbrecht, J. R. Robb, V. C. K. Terrell, and M. J. Lannoo.

Habitat selection by crawfish frogs (Lithobates areolatus) in a large mixed grassland/forest habitat.

2012

Journal of Herpetology 46:682-688

Williams, P. J., J. R. Robb, and D. R. Karns.

Intraspecific density dependence in larval development of the crawfish frog, Lithobates areolatus.

2012

Herpetological Review 43:36-38

Williams, P. J., J. R. Robb, R. H. Kappler, T. E Piening, and D. R. Karns.