Presentations
2024
Pletcher, E, S Filippelli, PJ Williams, M Shawcroft, J Vogeler, and RK. Shriver. Title: Sixty years of historical aerial imagery provide a novel source of demographic data, but not without accounting for key sources of detection error. Annual Meeting of the Ecological Society of America, Long Beech, CA, August 2024.
Schuyler, JC, JM Eisaguirre, PA Schuette, SA Hanchett, B Benter, B Weitzman, and PJ Williams. Is sea otter harvest correlated with their population spread and abundance in southeast Alaska? The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV, February, 2024.
Mathews-Sanchez, C, C Hagen, J Beck, D Dahlgren, J Dinkins, L McNew, J Sedinger, and PJ Williams. Greater sage-grouse range-wide trends and drivers of population change. The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV, February, 2024.
Brockman, JC, P Coates, P Jackson, J Tull, ST O’Neil, PJ Williams. The effect of breeding status on common raven movement, home range, and habitat selection. The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV, February, 2024.
Shane, TL, L Wade, PJ Williams, RA Washington-Allen, BL Perryman. Multi-temporal comparisons between SUAS photogrammetry/spatial analysis methods and field-based vegetation measurements collected by humans. Society of Range Management Annual Meeting. Sparks, NV, January, 2024.
2023
Golden, J. Use and survival of greater sage-grouse in meadows managed for non-native ungulate grazing in Nevada. University of Nevada, Reno M.S. Thesis Defense. November, 2023.
M. G. Lohman, T. V. Riecke, J. S. Sedinger, and P. J. Williams, Relationships between the environment and female mallard demographic rates, Nevada American Statistical Association Symposium, Reno, Nevada, 17 October, 2023.
Wann, GT, CL Aldridge, MM McLachlan, JL Beck, T Bowden, PS Coates, CJ Conway, DK Dahlgren, JB Dinkins, AN Johnston, CA Hagen, PD Makela, DE Naugle, BR Noon, MA Schroeder, JS Sedinger, L Waldner, BL Walker, PJ Williams, and AL Whipple. Predicting range-wide seasonal habitats for greater sage-grouse: Leveraging local studies for broad-scale reference. The Annual Meeting of The Wildlife Society. Portland, OR, Nov, 2023.
Eisaguirre, JM, PJWilliams, JC Brockman, SB Lewis, C Barger, GABreed, and T Booms. A hierarchical modeling framework for estimating individual- and populationlevel reproductive success from movement data. WNAR (Western North American Region of the International Biometric Society)/IMS Annual Meeting. Anchorage, AK, August, 2023.
Schuyler, JC, PJ Williams, JE Eisaguirre, PA Schuette, SA Hanchett, and B Benter. Is sea otter harvest correlated with their population spread and abundance in southeast Alaska. 13th International Mammalological Congress. Anchorage, AK, July, 2023.
Golden, J, PA Street, JS Sedinger, and PJ Williams. Estimating density of sage grouse at summer brood rearing habitat using hierarchical distance sampling. The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV, April, 2023.
Brockman, JC, PS Coates, PJ Jackson, JC Tull, and PJ Williams Raven space use and habitat selection: differences between breeding classes. The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV, April, 2023.
Eisaguirre, J.M., P.J. Williams, X. Lu, P. Schuette, B. Weitzman. G.G. Esslinger, J.N. Womble, M.B. Hooten. Using ecological diffusion to inform the management of sea otters. Sea Otter Conservation Workshop. Seattle, WA, March 2023.
Byrne, M. Examining the impact of mercury on waterfowl population dynamics with implications for human health and water management in arid environments. University of Nevada, Reno M.S. Thesis Defense. February, 2023.
2022
Jackson, P, S O’Neil, P Coates, J Spencer, and PJ Williams. Inter- and intra-annual effects of lethal removal on common raven abundance in Nevada and California, USA. The Annual Meeting of The Wildlife Society, Nov, 2022.
Byrne, MA, MS Gustin, C Nicolai, PJ Williams. Investigation of the relationship of mercury between feathers and tissues in wood ducks from the Carson River, NV. The 69th Annual Meeting of the Western Section of the Wildlife Society. Reno, NV. Feb, 2022.
Byrne, MA, MS Gustin, C Nicolai, PJ Williams. Mercury distribution in the lower Carson River, NV: Implications to wood duck populations. The Nevada Water Resources Association Annual Conference. Las Vegas, NV. Feb, 2022.
Eisaguirre, JM, PJ Williams, X Lu, ML Kissling, P Schuette, WS Beatty, GG Esslinger, JN Womble, and MB Hooten. Using ecological diffusion to inform management of a recovering apex predator. International Statistical Ecology Conference (ISEC; virtual). July 2022.
Eisaguirre, JM, PJ Williams, X Lu, ML Kissling, P Schuette, WS Beatty, GG Esslinger, JN Womble, and MB Hooten. Diffusion modeling reveals effects of multiple release sites and human activity on a recolonizing apex predator. Biennial Conference on the Biology of Marine Mammals. Palm Beach, FL. Aug, 2022.
Brockman, JC, PS Coates, PJ Jackson, JC Tull, and PJ Williams. Home range and habitat selection of common ravens during the breeding season in northern Nevada. The 69th Annual Meeting of the Western Section of The Wildlife Society. Reno, NV. Feb, 2022.
2021
Acevedo, CR. Spatio-temporal population dynamics of Nevada greater sage-grouse from 2000-2018. University of Nevada, Reno Thesis defense seminar. Reno, NV. Nov 29th, 2021.
Eisaguirre, JM, PJ Williams, X Lu, ML Kissling, WS Beatty, GG Esslinger, JN Womble, and MB Hooten. Diffusion modeling reveals effects of multiple release sites and human activity on a recolonizing apex predator. The Wildlife Society Annual Meeting (virtual). Nov, 2021.
Keating, M. Estimating spatial locations of attraction through time with animal movement data. University of Nevada, Reno Thesis defense seminar (virtual). Aug 11th, 2021.
Brockman, JC, L Perry, T Owens, LJ Foster, JB Cupples, JD Taylor, JC Tull, PJ Jackson, PS Coates, JB Dinkins, and PJ Williams. Raven Habitat Selection and Space Use. Raven Management Workshop and Forum. Elko, NV. Aug, 2021.
Eisaguirre, JM, PJ Williams, X Lu, ML Kissling, WS Beatty, GG Esslinger, JN Womble, and MB Hooten. Diffusion modeling reveals effects of multiple release sites and human activity on a recolonizing apex predator. Sea Otter Research and Conservation Symposium (virtual). Apr, 2021.
Riecke, TV, PJ Williams, AG Leach, MG Lohman, and JS Sedinger. Climatic oscillations and tri-trophic interactions alter selection pressures in migratory geese across 40 degrees of latitude. Institute for Waterfowl and Wetland Research, Research Roundup Webinar (virtual). Feb 4th, 2021.
2020
Riecke TV, CR Acevedo, J Hegelbach, M Kery, AG Leach, DJ Koons, MG Lohman, JS Sedinger, PJ Williams, and M Schaub. Bayesian models for Vogelkunde: phenotypic selection, senescence, and mating systems. Swiss Ornithological Institute, Sempach, Switzerland, Nov 30th, 2020.
Acevedo, CR, and PJ Williams. Examining spatio-temporal dynamics of nevada sage grouse lek counts using a marked point process. The Wildlife Society’s 27th Annual Conference. Virtual. Sep 30th, 2020.
Keating, MP, and PJ Williams. Discrete-time models of animal movement: mule deer as a case study. The Wildlife Society’s 27th Annual Conference. Virtual. Sep 30th, 2020.
Williams, PJ, X Lu, HR Scharf, and MB Hooten. Accounting for asymmetry in ecology. The Wildlife Society’s 27th Annual Conference. Virtual. Sep 30th, 2020.
Brockman, JC, PS Coates, PJ Jackson, and PJ Williams. Identifying raven demographic characteristics using movement data. The Wildlife Society’s 27th Annual Conference. Virtual. Sep 30th, 2020.
Brockman, JC, PS Coates, PJ Jackson, and PJ Williams. Raven movement and habitat selection: exploring intraspecific variation. The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV. Mar 4th, 2020.
Riecke TV, BS Sedinger, MG Lohman, PJ Williams, and JS Sedinger. How well do harvest management models work? The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV. Mar 4th, 2020.
Lohman MG, Riecke TV, and Williams PJ. Examining spatiotemporal variation in mid-continent mallard demography. The Nevada Chapter of the Wildlife Society Science Symposium. Reno, NV. Mar 4th, 2020.
Sedinger BS, TV Riecke, PJ Williams, and JS Sedinger. Cross-seasonal Atlantic Flyway mallard models. Atlantic Flyway Migratory Bird Technical Sections, Portsmouth, NH. Feb 24th, 2020.
Riecke TV, BS Sedinger, MG Lohman, PJ Williams, and JS Sedinger. Demographic analyses and harvest management of mallards in North America. Atlantic Flyway Migratory Bird Technical Sections, Portsmouth, NH. Feb 24th, 2020.
Brockman, JC, PS Coates, PJ Jackson, and PJ Williams. Common raven nest attraction and juvenile dispersal. National Bird Damage Management Conference. Salt Lake City, UT. Feb, 2020
Lohman MG, TV Riecke, JS Sedinger, and PJ Williams. Spatial variation in mallard survival in the Prairie Pothole Region. The California Waterfowl Association Science Symposium. Roseville, CA. Jan 23rd, 2020.
Riecke TV, BS Sedinger, MG Lohman, PJ Williams, and JS Sedinger. Demographic analyses and harvest management of mallards in North America. The California Waterfowl Association Science Symposium. Roseville, CA. Jan 23rd, 2020.
2019
Lu, X., PJ Williams and MB Hooten. Nonlinear reaction-diffusion process models improve inference for population dynamics. Joint Statistical Meetings of the American Statistical Association (JSM), Denver, CO. Aug 2019.
Williams, PJ, X Lu, MB Hooten, JN Womble, and MR Bower. A spatio-temporal model for ecological colonization, growth, and regulation. Joint Statistical Meetings of the American Statistical Association (JSM), Denver, CO. Aug 2019.
Bennet, J, M Blum, and PJ Williams. Estimating abundance and detection probability of an unmarked desert bighorn sheep population in central Nevada by leveraging information from a subset of marked individuals. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct, 2019.
Brockman, JC, PS Coates, P Jackson, and PJ Williams. Anthropogenic subsidies affect common raven movement and space-use. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct, 2019.
Schroeder, C, PJ Williams, and P Jackson. Estimating reproduction and survival of unmarked mule deer offspring from marked parents. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct, 2019.
MG Lohman, TV Riecke, BS Sedinger, JS Sedinger, PJ Williams. Examining spatiotemporal variation in waterfowl demography. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct, 2019.
Sedinger, BS, TV Riecke, JS Sedinger, F Rohwer, C Feldheim, and PJ Williams. Rethining harvest management from a life-history perspective. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct 3rd, 2019.
Acevedo, CR and PJ Williams. Spatio-temporal dynamics of sage-grouse populations in Nevada. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct, 2019.
Riecke TV, PJ Williams, TL Behnke, D Gibson, AG Leach, BS Sedinger, PA Street, JS Sedinger. Integrated population models: model assumptions and inference. American Fisheries Society and The Wildlife Society 2019 Joint Annual Conference. Reno, NV. Oct 2nd, 2019.
Womble, JN, PJ Williams, RW McNabb, A Prakash, R Gens, BS Sedinger, and C Acevedo. Assessing seasonal and annual changes in glacier ice habitat for harbor seals in a tidewater glacier fjord in Glacier Bay National Park, Alaska. Meeting, Location, Date.
Brockman JC, PS Coates, P Jackson, and PJ Williams. Anthropogenic subsidies affect common raven nesting, space-use, and movement. 18th Wildlife Damage Management Conference, Starkville, MS. Month, 2019.
Williams, PJ. Plenary Speaker. Studying landscape-scale movements of ducks across the year: past, present, and future of movement models. Suisun Marsh Landowner Fall Science Symposium. Dixon, CA. Aug, 2019.
Riecke TV, BS Sedinger, TW Arnold, CL Feldheim, DN Koons, FC Rohwer, PJ Williams, JS Sedinger. Abundance drives cause-specific teal mortality. The 8th North American Duck Symposium. Winnipeg, MB, Aug 30th, 2019.
Sedinger BS, TV Riecke, TW Arnold, CL Feldheim, MG Lohman, FC Rohwer, RT Alisauskas, DN Koons, JS Sedinger, and PJ Williams. Cross-seasonal models reveal evidence for density- dependence, climate-mediated survival, and harvest compensation in mallards. The 8th North American Duck Symposium. Winnipeg, MB. Aug 30th, 2019.
Lohman MG, TV Riecke, JS Sedinger, PJ Williams. Spatiotemporal variation in waterfowl demography, 8th North American Duck Symposium, Winnipeg, MB, 30 August 2019.
Bennett, J, M Blum, and PJ Williams. Estimating detection probability using mark-resight models in a central Nevada desert bighorn sheep population. Desert Bighorn Council Meeting. Mesquite, NV. Month, 2019.
Womble, JN, PJ Williams, MB Hooten, GG Esslinger, L Taylor-Thomas, MR Bower, and H Coletti. Combining contemporary spatiotemporal models and aerial photographic techniques to estimate sea otter colonization and abundance in Glacier Bay National Park, Alaska. Society for Marine Mammalogy–22nd Biennial Conference on the Biology of Marine Mammals, Halifax, Nova Scotia, Canada. Oct 2017.
2018
Williams, PJ and MB Hooten. Monitoring dynamic spatio-temporal dynamic processes optimally. The Wildlife Society’s 25th Annual Conference. Cleveland, OH. Oct, 2018.
Williams, PJ. Optimal monitoring for wildlife populations. Nevada Department of Wildlife (NDOW) Brown Bag Seminar Series.Reno, NV. Oct, 2018.
Williams, PJ. Modern monitoring of dynamic ecological processes. USFWS Seminar Series. Fort Collins, CO. Jul, 2018.