Division of Wildlife Conservation (DWC) Publications

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40 Resource(s) found.

Author: Roffler

2025

Vegetation influences wolf fine-scale habitat selection and movement rate in a logged coastal rainforest
Gregovich, D.P., G. H. Roffler, and C. M. Prokopenko. 2025. Vegetation influences wolf fine-scale habitat selection and movement rate in a logged coastal rainforest. Oecologia 207(40). https://doi.org/10.1007/s00442-025-05677-5
Linkto https://doi.org/10.1007/s00442-025-05677-5 (Offsite) More details about Vegetation influences wolf fine-scale habitat selection and movement rate in a logged coastal rainforest

2024

Killed by a quill
Taras, M. E. 2024. Killed by a quill. Alaska Fish & Wildlife News, December 2024. Alaska Department of Fish and Game, Division of Wildlife Conservation, Juneau. https://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=4115
Linkto https://www.adfg.alaska.gov/index.cfm?adfg=wildlifenews.view_article&articles_id=4115 More details about Killed by a quill

The origin, connectivity, and individual specialization of island wolves after deer extirpation
Eriksson, C. E., G. H. Roffler, J. M. Allen, A. Lewis, T. Levi. 2024. The origin, connectivity, and individual specialization of island wolves after deer extirpation. Ecology and Evolution. https://doi.org/10.1002/ece3.11266
Linkto https://doi.org/10.1002/ece3.11266 (Offsite) More details about The origin, connectivity, and individual specialization of island wolves after deer extirpation

Patterns of wolf dispersal respond to harvest density across an island complex
Roffler, G. H., K. L. Pilgrim, and B. C. Williams. 2024. Patterns of wolf dispersal respond to harvest density across an island complex. Multidisciplinary Digital Publishing Institute 14(62): 10.3390/ani14040622
Linkto https://doi.org/10.3390/ani14040622 (Offsite) More details about Patterns of wolf dispersal respond to harvest density across an island complex

Sitka black-tailed deer habitat selection in relation to logging and vegetation in a temperate rainforest
Gregovich, D. P., G. H. Roffler, C. M. Prokopenko, S. L. Gilbert. 2024. Sitka black-tailed deer habitat selection in relation to logging and vegetation in a temperate rainforest. Forest Ecology and Management 568:122134. https://doi.org/10.1016/j.foreco.2024.122134
Linkto https://doi.org/10.1016/j.foreco.2024.122134 (Offsite) More details about Sitka black-tailed deer habitat selection in relation to logging and vegetation in a temperate rainforest

2023

Recovery of a marine keystone predator transforms terrestrial predator–prey dynamics
Roffler, G. H., C. E. Eriksson, J. M. Allen, and T. Levi. 2023. Recovery of a marine keystone predator transforms terrestrial predator–prey dynamics. PNAS 120(5):e2209037120. https://doi.org/10.1073/pnas.2209037120
Linkto https://www.pnas.org/doi/10.1073/pnas.2209037120 (Offsite) More details about Recovery of a marine keystone predator transforms terrestrial predator–prey dynamics

Variation in adult and pup wolf diets at natal den sites is influenced by forest composition and configuration
Roffler, G. H., K. L. Pilgrim, K. E. Zarn, M. K. Schwartz, T. Levi. 2023. Variation in adult and pup wolf diets at natal den sites is influenced by forest composition and configuration. Ecology and Evolution 13:e9648. https://doi.org/10.1002/ece3.9648
Linkto https://doi.org/10.1002/ece3.9648 (Offsite) More details about Variation in adult and pup wolf diets at natal den sites is influenced by forest composition and configuration

Wolf Trails of Southeast Alaska, July 2023
McAllster, A., editor. 2023. Wolf trails of Southeast Alaska, July 2023 [newsletter]. Alaska Department of Fish and Game, Division of Wildlife Conservation, Juneau.
Linkto https://www.adfg.alaska.gov/static/species/speciesinfo/wolf/pdfs/wolf_trails_newsletter_2023.pdf (PDF) More details about Wolf Trails of Southeast Alaska, July 2023

Wolves on the Katmai coast hunt sea otters and harbor seals
Griffin, K. R., G. H. Roffler, and E. M. Dymit. 2023. Wolves on the Katmai coast hunt sea otters and harbor seals. Ecology 104(12): e4185. https://doi.org/10.1002/ecy.4185.
Linkto https://doi.org/10.1002/ecy.4185 (Offsite) More details about Wolves on the Katmai coast hunt sea otters and harbor seals

2022

Diet analysis using generalized linear models derived from foraging processes using R package mvtweedie
Thorson, J. T., M. L. Arimitsu, T. Levi, and G. H. Roffler. 2022. Diet analysis using generalized linear models derived from foraging processes using R package mvtweedie. Ecology e3637. https://doi.org/10.1002/ecy.3637
Linkto https://doi.org/10.1002/ecy.3637 (Offsite) More details about Diet analysis using generalized linear models derived from foraging processes using R package mvtweedie

Validation and measurement of physiological stress and reproductive hormones in wolf hair and claws
Roffler, G. H., S. Karpovich, P. Charapata, and M. J. Keogh. 2022. Validation and measurement of physiological stress and reproductive hormones in wolf hair and claws. Wildlife Society Bulletin 46:e1330. https://doi.org/10.1002/wsb.1330
Linkto https://doi.org/10.1002/wsb.1330 (Offsite) More details about Validation and measurement of physiological stress and reproductive hormones in wolf hair and claws

2021

Comparison of mechanical sorting and DNA metabarcoding fordiet analysis with fresh and degraded wolf scats
Massey, A. L., G. H. Roffler, T. Vermeul, J. M. Allen, and T. Levi. 2021. Comparison of mechanical sorting and DNA metabarcoding for diet analysis with fresh and degraded wolf scats. Ecosphere 12(6):e03557. https://doi-org.arlis.idm.oclc.org/10.1002/ecs2.3557
Linkto https://doi-org.arlis.idm.oclc.org/10.1002/ecs2.3557 (Offsite) More details about Comparison of mechanical sorting and DNA metabarcoding fordiet analysis with fresh and degraded wolf scats

Metabarcoding of fecal DNA shows dietary diversification in wolves substitutes for ungulates in an island archipelago
Roffler, G. H., J. M. Allen, A. Massey, and T. Levi. 2021. Metabarcoding of fecal DNA shows dietary diversification in wolves substitutes for ungulates in an island archipelago. Ecosphere 12(1):e03297.10.1002/ecs2.3297
Linkto https://doi.org/10.1002/ecs2.3297 (Offsite) More details about Metabarcoding of fecal DNA shows dietary diversification in wolves substitutes for ungulates in an island archipelago

Patterns and processes of pathogen exposure in gray wolves across North America
Brandell, E. E., P. C. Cross, M. E. Craft, D. W. Smith, E. J. Dubovi, M. L. J. Gilbertson, T. Wheeldon, J. A. Stephenson, S. Barber-Meyer, B. L. Borg, M. Sorum, D. R. Stahler, A. Kelly, M. Anderson, H. D. Cluff, D. R. MacNulty, D. E. Watts, G. H. Roffler, H. Schwantje, M. Hebblewhite, K. Beckmen, and P. J. Hudson. 2021. Patterns and processes of pathogen exposure in gray wolves across North America. Scientific Reports 11:3722. https://doi.org/10.1038/s41598-021-81192-w
Linkto https://doi.org/10.1038/s41598-021-81192-w (Offsite) More details about Patterns and processes of pathogen exposure in gray wolves across North America

Predation patterns and foraging ecology of wolves in Southeast Alaska
Roffler, G. 2021. Predation patterns and foraging ecology of wolves in Southeast Alaska. Alaska Department of Fish and Game, Division of Wildlife Conservation, Interim Performance Report 1 July 2020–30 June 2021, Wildlife Restoration Program Grant AKW-B-R1-2020 Project 14.32, Juneau.
Linkto https://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/akw_b_r1_2021_p14.32_seasonal_predation_patterns_of_wolves_ts_gr.pdf (PDF) More details about Predation patterns and foraging ecology of wolves in Southeast Alaska

2020

Predation patterns and foraging ecology of wolves in Southeast Alaska
Roffler, G. 2020. Predation patterns and foraging ecology of wolves in Southeast Alaska. Alaska Department of Fish and Game, Division of Wildlife Conservation, Interim Performance Report 1 July 2019–30 June 2020, Wildlife Restoration Program Grant AKW-B-R1-2020 Project 14.32, Juneau.
Linkto https://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/ipr_akw_b_r1_2020_p14.32_predation_patterns_of_wolves_sfy20.pdf (PDF) More details about Predation patterns and foraging ecology of wolves in Southeast Alaska

Unraveling the mystery of the glacier bear: Genetic population structure of black bears (Ursus americanus) within the range of a rare pelage type
Lewis, T., G. Roffler, A. Crupi, R. Maraj, and N. Barten. 2020. Unraveling the mystery of the glacier bear: Genetic population structure of black bears (Ursus americanus) within the range of a rare pelage type. Ecology andl Evolution 00:1–15. https://doi.org/10.1002/ece3.6490
Linkto https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.6490 (Offsite) More details about Unraveling the mystery of the glacier bear: Genetic population structure of black bears (Ursus americanus) within the range of a rare pelage type

Wolf dietary diversity in an island archipelago
Roffler, G. H., J. M. Allen, and T. Levi. 2020. Wolf dietary diversity in an island archipelago [photo gallery]. The Bulletin of the Ecological Society of America 102(1):e01834. https://doi.org/10.1002/bes2.1834
Linkto https://doi.org/10.1002/bes2.1834 (Offsite) More details about Wolf dietary diversity in an island archipelago

2019

Estimating abundance of a cryptic social carnivore using spatially explicit capture–recapture
Roffler, G. H., J. N. Waite, K. L. Pilgrim, K. E. Zarn, and M. K. Schwartz. 2019. Estimating abundance of a cryptic social carnivore using spatially explicit capture–recapture. Wildlife Society Bulletin 43(1):31-41. https://doi.org/10.1002/wsb.953
Linkto https://doi.org/10.1002/wsb.953 (Offsite) More details about Estimating abundance of a cryptic social carnivore using spatially explicit capture–recapture

2018

Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scats
Roffler, G., T. Levi, and A. Massey. 2018. Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scats. Alaska Department of Fish and Game, Division of Wildlife Conservation, Final Performance Report 1 July 2015-30 June 2018, Federal Aid in Wildlife Restoration Project 14.28, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/fpr_akw_23_p14.28_wolf_diets_reg_1.pdf (PDF) More details about Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scats

Resource selection by coastal wolves reveals the seasonal importance of seral forest and suitable prey habitat
Roffler, G. H., D. P. Gregovich, and K. R. Larson. 2018. Resource selection by coastal wolves reveals the seasonal importance of seral forest and suitable prey habitat. Forest Ecology and Management 409:190-201. https://doi.org/10.1016/j.foreco.2017.11.025
Linkto https://doi.org/10.1016/j.foreco.2017.11.025 (Offsite) More details about Resource selection by coastal wolves reveals the seasonal importance of seral forest and suitable prey habitat

Seasonal predation patterns of wolves in single and multiple-ungulate systems
Roffler, G., and T. Levi. 2018. Seasonal predation patterns of wolves in single and multiple-ungulate systems. Alaska Department of Fish and Game, Division of Wildlife Conservation, Final Performance Report 1 July 2017-30 June 2018, Federal Aid in Wildlife Restoration Project 14.31, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/fpr_akw_23_p14.31_seasonal_predation_patterns_wolves_reg_1.pdf (PDF) More details about Seasonal predation patterns of wolves in single and multiple-ungulate systems

Using genomics to identify population structure and inform models of Southeast Alaskan wolves
Roffler, G. M. Schwartz, K, Zarn, and K. Pilgrim. 2018. Using genomics to identify population structure and inform models of Southeast Alaskan wolves. Alaska Department of Fish and Game, Division of Wildlife Conservation, Final Performance Report 1 July 2015-30 June 2018, Federal Aid in Wildlife Restoration Project 14.29, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/fpr_akw_23_p14.29_wolf_genomics_reg_1.pdf (PDF) More details about Using genomics to identify population structure and inform models of Southeast Alaskan wolves

Wolf population estimation on Prince of Wales Island, Alaska
Roffler, G. 2018. Wolf population estimation on Prince of Wales Island, Alaska. Alaska Department of Fish and Game, Division of Wildlife Conservation, Final Performance Report 1 July 2015-30 June 2019, Federal Aid in Wildlife Restoration Project 14.30, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/fpr_akw_23_p14.30_wolf_pop_est_reg_1.pdf (PDF) More details about Wolf population estimation on Prince of Wales Island, Alaska

Wolf space use during denning season on Prince of Wales Island, Alaska
Roffler, G. H. and D. P. Gregovich. 2018. Wolf space use during denning season on Prince of Wales Island, Alaska. Wildlife Biology 2018(1). https://doi.org/10.2981/wlb.00468
Linkto https://doi.org/10.2981/wlb.00468 (Offsite) More details about Wolf space use during denning season on Prince of Wales Island, Alaska

2017

Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scats
Roffler, G. 2017. Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scats. Alaska Department of Fish and Game, Division of Wildlife Conservation, Interim Performance Report 1 July 2016-30 June 2017, Federal Aid in Wildlife Restoration Project 14.28, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/akw_20_14.28_wolf_diets_ri_annual_perf_rpt_fy17_final.pdf (PDF) More details about Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scats

Using genomics to identify population structure and inform models of Southeast Alaskan wolves
Roffler, G. 2017. Using genomics to identify population structure and inform models of Southeast Alaskan wolves. Alaska Department of Fish and Game, Division of Wildlife Conservation, Interim Performance Report 1 July 2016–30 June 2017, Federal Aid in Wildlife Restoration Grant Number AKW-20, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/akw_20_14.29_wolf_genomics_ri_annual_perf_rpt_fy17_final.pdf (PDF) More details about Using genomics to identify population structure and inform models of Southeast Alaskan wolves

Wolf population estimation on Prince of Wales Island, Alaska
Roffler, G. 2017. Wolf population estimation on Prince of Wales Island, Alaska. Alaska Department of Fish and Game, Division of Wildlife Conservation, Interim Performance Report 1 July 2016-30 June 2017, Federal Aid in Wildlife Restoration Project 14.30, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/akw_20_14.30_wolf_pop_est_ri_annual_perf_rpt_fy17_final.pdf (PDF) More details about Wolf population estimation on Prince of Wales Island, Alaska

2016

Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scat
Roffler, G. 2016. Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scat. Alaska Department of Fish and Game, Division of Wildlife Conservation, Federal Aid Annual Research Performance Report 1 July 2015-30 June 2016, Federal Aid in Wildlife Restoration Project 14.28, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/akw_10_14.28_ri_wolf_diets_fy2016_perf_rpt.pdf (PDF) More details about Deciphering wolf diets in Southeast Alaska using stable isotope analyses and prey remains in scat

Identification of landscape features influencing gene flow: How useful are habitat selection models?
Roffler, G. H., M. K. Schwartz, K. L. Pilgrim, S. L. Talbot, G. K. Sage, L. G. Adams, and G. Luikart. 2016. Identification of landscape features influencing gene flow: How useful are habitat selection models? Evolutionary Applications 9(6):805-817. https://doi.org/10.1111/eva.12389
Linkto https://doi.org/10.1111/eva.12389 (Offsite) More details about Identification of landscape features influencing gene flow: How useful are habitat selection models?

SNP discovery in candidate adaptive genes using exon capture in a free‐ranging alpine ungulate
Roffler, G. H., S. J. Amish, S. Smith, T. Cosart, M. Kardos, M. K. Schwartz, and G. Luikart. 2016. SNP discovery in candidate adaptive genes using exon capture in a free‐ranging alpine ungulate. Molecular Ecology Resources 16(5):1147-1164. https://doi.org/10.1111/1755-0998.12560
Linkto https://doi.org/10.1111/1755-0998.12560 (Offsite) More details about SNP discovery in candidate adaptive genes using exon capture in a free‐ranging alpine ungulate

Using genomics to identify population structure and inform models of Southeast Alaskan wolves
Roffler, G. 2016. Using genomics to identify population structure and inform models of Southeast Alaskan wolves. Alaska Department of Fish and Game, Division of Wildlife Conservation, Federal Aid Annual Research Performance Report 1 July 2015-30 June 2016, Federal Aid in Wildlife Restoration Project 14.29, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/akw_10_14.29_wolf_genomics_ri_fy2016_perf_rpt.pdf (PDF) More details about Using genomics to identify population structure and inform models of Southeast Alaskan wolves

Wolf population estimation on Prince of Wales Island, Alaska
Roffler, G. 2016. Wolf population estimation on Prince of Wales Island, Alaska. Alaska Department of Fish and Game, Division of Wildlife Conservation, Federal Aid Annual Research Performance Report 1 July 2015-30 June 2016, Federal Aid in Wildlife Restoration Project 14.30, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/akw_10_14.30_pow_wolf_pop_est_fy2016_perf_rpt.pdf (PDF) More details about Wolf population estimation on Prince of Wales Island, Alaska

Wolf population estimation on Prince of Wales Island, Southeast Alaska: A comparison of methods
Roffler, G. H., J. N. Waite, R. W. Flynn, K. R. Larson, and B. D. Logan. 2016. Wolf population estimation on Prince of Wales Island, Southeast Alaska: A comparison of methods. Alaska Department of Fish and Game, Final Wildlife Research Report ADF&G/DWC/WRR-2016-1, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/research_pdfs/wrr_2016_1_wolf_population_estimation_prince_wales_island_methods.pdf More details about Wolf population estimation on Prince of Wales Island, Southeast Alaska: A comparison of methods

2015

Estimating wolf populations in Southeast Alaska using noninvasive DNA sampling
Roffler, G. H., K, R. Larson, R. W. Flynn, and J. N. Waite. 2015. Estimating wolf populations in Southeast Alaska using noninvasive DNA sampling. Alaska Department of Fish and Game, Division of Wildlife Conservation, Federal Aid Annual Research Performance Report 1 July 2014–30 June 2015, Federal Aid in Wildlife Restoration Project 14.26, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/fy15_14.26_wolf_population_estimate_with_dna_sampling.pdf (PDF) More details about Estimating wolf populations in Southeast Alaska using noninvasive DNA sampling

2014

Estimating wolf populations in Southeast Alaska using noninvasive DNA sampling
Flynn, R. W., G. Roffler, and K. Larson. 2014. Estimating wolf populations in Southeast Alaska using noninvasive DNA sampling. Alaska Department of Fish and Game, Division of Wildlife Conservation, Federal Aid Annual Research Performance Report 1 July 2013–30 June 2014, Federal Aid in Wildlife Restoration Project 14.26, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/about/divisions/wildlifeconservation/pdfs/reports/fy14_14.26_wolf_population_estimate_with_dna_sampling.pdf (PDF) More details about Estimating wolf populations in Southeast Alaska using noninvasive DNA sampling

Wolf population estimation on Prince of Wales Island, Alaska
Roffler, G. 2014. Wolf population estimation on Prince of Wales Island, Alaska. Alaska Department of Fish and Game, Division of Wildlife Conservation, Federal Aid Annual Performance Report 30 September 2013–30 June 2014, Cooperative Endangered Species Conservation Fund Project E-19-1-1, Juneau.
Linkto http://www.adfg.alaska.gov/static/home/library/pdfs/wildlife/federal_aid/e_19_1_se_wolves_perf_rpt_fy2014.pdf (PDF) More details about Wolf population estimation on Prince of Wales Island, Alaska

2012

Range overlap and individual movements during breeding season influence genetic relationships of caribou herds in south-central Alaska
Roffler, G. H., L. G. Adams, S. L. Talbot, G. K. Sage, and B. W. Dale. 2012. Range overlap and individual movements during breeding season influence genetic relationships of caribou herds in south-central Alaska. Journal of Mammalogy 93(5):1318-1330. https://doi.org/10.1644/11-MAMM-A-275.1
Linkto https://doi.org/10.1644/11-MAMM-A-275.1 (Offsite) More details about Range overlap and individual movements during breeding season influence genetic relationships of caribou herds in south-central Alaska

2010

Are inland wolf–ungulate systems influenced by marine subsidies of Pacific salmon?
Adams, L. G., S. D. Farley, C. A. Strickler, D. J. Demma, G. H. Roffler, D. C. Miller, and R. O. Rye. 2010. Are inland wolf–ungulate systems influenced by marine subsidies of Pacific salmon? Ecological Applications 20(1):251–262. http://doi.org/10.1890/08-1437.1
Linkto http://doi.org/10.1890/08-1437.1 (Offsite) More details about Are inland wolf–ungulate systems influenced by marine subsidies of Pacific salmon?

2005

Extraordinary movements of the Denali caribou herd following the perfect storm
Adams, L. G., B. W. Dale, and G. H. Roffler. 2005. Extraordinary movements of the Denali caribou herd following the perfect storm. Pages 19-25 [In] R. E. Haugerud, editor. Proceedings of 10th North American Caribou Workshop, 4–6 May 2004, Girdwood, Alaska. Rangifer 25(4), Special Issue 16. https://doi.org/10.7557/2.25.4.1766
Linkto https://doi.org/10.7557/2.25.4.1766 (Offsite) More details about Extraordinary movements of the Denali caribou herd following the perfect storm

Alaska Department of Fish and Game