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Layne G. Adams

Title: Research Wildlife Biologist
Address: 4210 University Dr., Anchorage, AK 99508-4626
Phone: (907) 786-7159
Fax: (907) 786-7021
Email: ladams@usgs.gov

Image of Layne G. Adams

Education and/or Training

Ph.D.1996University of Minnesota, St. Paul, MNWildlife Conservation
M.S.1981Colorado State University, Ft. Collins, COWildlife Biology
B.S.1976Colorado State University, Ft. Collins, COWildlife Biology

Areas of Specialization and/or Research Interests

Population biology and predator/prey relationships of Alaskan large mammals.

Professional Experience

1993 - PresentResearch Wildlife Biologist USGS, Alaska Science Center, Anchorage, Alaska
1985 - 1993 Regional Research Wildlife Biologist, US National Park Service, Anchorage, Alaska
1980 - 1985Wildlife Management Biologist, Bureau of Land Management, Fairbanks, Alaska

Professional Activities and/or Memberships

IUCN Species Survival Commission, Wolf Specialist Group (2001-2013)
The Wildlife Society
Arctic Institute of North America
American Society of Mammalogists

Websites of Interest

http://alaska.usgs.gov/science/biology/large_mammal/sheep/index.php

Publications

Total pubs: 48

Gustine, D. D., P. S. Barboza, L. G. Adams, and N. B. Wolf. 2014. Environmental and physiological influences to isotopic ratios of N and protein status in a montane ungulate in winter. PLoS One e103471. doi:10.1371/journal.pone.0103471 [Details] [Full Publication]

Roffler, G. H., S. L. Talbot, G. Luikart, G. K. Sage, K. Pilgrim, L. G. Adams, and M. K. Schwartz. 2014. Lack of sex-biased dispersal promotes fine-scale genetic structure in alpine ungulates. Conservation Genetics 15(4):837-851. doi:10.1007/s10592-014-0583-2 [Details] [Full Publication]

Gustine, D. D., T. J. Brinkman, M. A. Lindgren, J. I. Schmidt, T. S. Rupp, and L. G. Adams. 2014. Climate-driven effects of fire on winter habitat for caribou in the Alaskan-Yukon Arctic. PLoS One 9:e100588. doi:10.1371/journal.pone.0100588 [Details] [Full Publication]

Gustine, D. D., P. S. Barboza, J. P. Lawler, L. G. Adams, K. L. Parker, and S. M. Arthur. 2012. Diversity of nitrogen isotopes and correlates of protein status in caribou: implications for monitoring northern ungulates. Journal of Mammalogy 93(3):778-790. doi:10.1644/11-MAMM-A-164.1 [Details] [Full Publication]

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 southcentral Alaska. Journal of Mammalogy 93(5):1318-1330. doi:10.1644/11-MAMM-A-275.1 [Details] [Full Publication]

Collins, W. B., B. W. Dale, L. G. Adams, D. E. McElwain, and K. Joly. 2011. Fire, grazing history, lichen abundance and winter distribution of caribou in Alaska's taiga. Journal of Wildlife Management 75:369-377. doi:10.1002/jwmg.39 [Details] [Full Publication]

Gustine, D. D., P. S. Barboza, L. G. Adams, and R. Farnell. 2011. An isotopic approach to measuring nitrogen balance in caribou. Journal of Wildlife Management 75:178-188. doi:10.1002/jwmg.11 [Details] [Full Publication]

Gustine, D. D., P. S. Barboza, J. P. Lawler, S. Arthur, B. S. Shults, K. Persons, and L. G. Adams. 2011. Characteristics of foraging sites and protein status in wintering muskoxen: Insights from isotopes of nitrogen. Oikos 120:1546-1556. doi:10.1111/j.1600-0706.2011.19215.x [Details] [Full Publication]

Adams, L. G., S. D. Farley, C. A. Stricker, 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. [Details] [Full Publication]

Belant, J. L., B. Griffith, Y. Zhang, E. H. Follmann, and L. G. Adams. 2010. Population-level resource selection by sympatric brown and American black bears in Alaska. Polar Biology 33(1):31-40. doi:10.1007/s00300-009-0682-6 [Details] [Full Publication]

McIntyre, C. L., D. C. Douglas, and L. G. Adams. 2009. Movements of juvenile Gyrfalcons from Western and Interior Alaska following departure from their natal areas. Journal of Raptor Research 43(2):99-109. doi:10.3356/JRR-08-43.1 [Details] [Full Publication]

Adams, L. G., R. O. Stephenson, B. W. Dale, R. T. Ahgook, and D. J. Demma. 2008. Population dynamics and harvest characteristics of wolves in the central Brooks Range, Alaska. Wildlife Monographs 170(1):1-25. doi:10.2193/2008-012 [Details] [Full Publication]

Dale, B. W., L. G. Adams, W. B. Collins, K. Joly, P. Valkenburg, and R. Toby. 2008. Stochastic and compensatory effects limit persistence of variation in body mass of young caribou. Journal of Mammalogy 89(5):1130-1135. [Details] [Full Publication]

Roffler, G. H., L. G. Adams, G. Luikart, G. K. Sage, R. Schwanke, M. K. Schwartz, S. L. Talbot, and K. Pilgrim. 2008. Development of a technique to extract DNA from Dall's sheep feces. Proceedings: North American Wild Sheep and Goat Council 16th Biennial Symposium, April 27-May 1, 2008. [Details]

Boertje, R. D., K. A. Kellie, C. T. Seaton, M. A. Keech, D. D. Young, Jr., B. W. Dale, L. G. Adams, and A. R. Aderman. 2007. Ranking Alaska moose nutrition: Signals to begin liberal antlerless harvests. Journal of Wildlife Management 71:1494-1506. doi:10.2193/2006-159 [Details] [Full Publication]

Meier, T. J., J. W. Burch, and L. G. Adams. 2006. Tracking the movements of Denali's wolves. Alaska Park Science 5(1):30-35. [Details] [Full Publication]

Adams, L. G., T. J. Meier, P. Owens, and G. H. Roffler. 2006. Interrelationships of Denali's large mammal community. Alaska Park Science 5(1):36-40. [Details] [Full Publication]

Udevitz, M. S., B. S. Shults, L. G. Adams, and C. W. Kleckner. 2006. Evaluation of aerial suvery methods for Dall's Sheep. Wildlife Society Bulletin 34(3):732-740. doi:10.2193/0091-7648(2006)34[732:EOASMF]2.0.CO;2 [Details] [Full Publication]

Belant, J. L., K. Kielland, E. H. Follmann, and L. G. Adams. 2006. Interspecific resource partitioning of sympatric Ursids. Ecological Applications 16(6):2333-2343. doi:10.1890/1051-0761(2006)016[2333:IRPISU]2.0.CO;2 [Details] [Full Publication]

Rupp, S., M. Olson, L. G. Adams, B. W. Dale, K. Joly, J. Henkelman, W. B. Collins, and A. M. Starfield. 2006. Simulating the influences of various fire regimes on caribou winter habitat. Ecological Applications 16(5):1730-1743. doi:10.1890/1051-0761(2006)016[1730:STIOVF]2.0.CO;2 [Details] [Full Publication]

Roffler, G. H., L. G. Adams, S. L. Talbot, and G. K. Sage. 2006. Evaluating the genetic relationships of the Mentasta and Nelchina caribou herds in Southcentral Alaska. Proceedings: 11th North American Caribou Conference, 23-27 April, 2006. [Details]

Adams, L. G. 2005. Effects of maternal characteristics and climatic variation on birth masses of Alaskan caribou. Journal of Mammalogy 86(3):506-513. [Details] [Full Publication]

Adams, L. G., B. W. Dale, and G. H. Roffler. 2005. Extraordinary movements of the Denali Caribou Herd following the perfect storm. Rangifer Special Issue 16:19-25. [Details] [Full Publication]

Burch, J. W., L. G. Adams, E. H. Follmann, and E. A. Rexstad. 2005. Evaluation of wolf density estimation from radiotelemetry data. Wildlife Society Bulletin 33(4):1225-1235. doi:10.2193/0091-7648(2005)33[1225:EOWDEF]2.0.CO;2 [Details] [Full Publication]

Joly, K., B. W. Dale, W. B. Collins, and L. G. Adams. 2003. Winter habitat use by female caribou in relation to wildland fires in interior Alaska. Canadian Journal of Zoology 81(7):1192-1201. doi:10.1139/z03-109 [Details] [Full Publication]

Kleckner, C. W., M. S. Udevitz, L. G. Adams, and B. S. Shults. 2003. Demography of Dall's sheep in northwestern Alaska. Arctic Research of the United States 16:68-73. [Details] [Full Publication]

Adams, L. G. 2003. Marrow fat deposition and skeletal growth in caribou calves. Journal of Wildlife Management 67(1):20-24. doi:10.2307/3803057 [Details] [Full Publication]

Joly, K., B. W. Dale, W. B. Collins, and L. G. Adams. 2002. Evaluating the impacts of wildland fires on caribou in interior Alaska. Arctic Research of the United States 16:63-67. [Details] [Full Publication]

Zarnke, R., J. Evermann, J. Ver Hoef, M. McNay, R. D. Boertje, C. L. Gardner, L. G. Adams, B. W. Dale, and J. W. Burch. 2001. Serologic survey for canine parvovirus in wolves from interior Alaska 1994-1999. Journal of Wildlife Diseases 37(4):740-745. doi:10.7589/0090-3558-37.4.740 [Details] [Full Publication]

Ben-David, M., E. Shochat, and L. G. Adams. 2001. Utility of stable isotope analysis in studying foraging ecology of herbivores: examples from moose and caribou. Alces 37(2):421-434. [Details]

Merrill, S. B., L. G. Adams, M. E. Nelson, and L. D. Mech. 1999. Testing releasable GPS radiocollars on wolves and white-tailed deer. Wildlife Society Bulletin 26(4):830-835. [Details] [Full Publication]

Mech, L. D. and L. G. Adams. 1999. Killing of a muskox, Ovibos moschatus, by two wolves, Canis lupus, and subsequent caching. Canadian Field-Naturalist 113(4):673-675. [Details]

McIntyre, C. L. and L. G. Adams. 1999. Reproduction of migratory golden eagles in interior Alaska. Condor 101:1115-1123. [Details]

Constable, P., K. Hinchcliff, D. J. Demma, M. Callahan, B. W. Dale, K. Fox, L. G. Adams, R. Wack, and L. Kramer. 1998. Serum biochemistry of captive and free-ranging gray wolves (Canis lupus). Journal of Zoo and Wildlife Medicine 29(4):435-440. [Details] [Full Publication]

Constable, P., K. Hinchcliff, D. J. Demma, M. Callahan, B. W. Dale, K. Fox, L. G. Adams, R. Wack, and L. Kramer. 1998. Electrocardiographic consequences of a peripatetic lifestyle in gray wolves (Canis lupus). Comparative Biochemistry and Physiology 120:557-563. doi:10.1016/S1095-6433(98)10066-1 [Details] [Full Publication]

Mech, L. D., L. G. Adams, T. J. Meier, J. W. Burch, and B. W. Dale. 1998. The Wolves of Denali. University of Minnesota Press, Minneapolis, MN, USA. [Details]

Adams, L. G. and B. W. Dale. 1998. Reproductive performance of female Alaskan caribou. Journal of Wildlife Management 62:1184-1195. doi:10.2307/3801982 [Details] [Full Publication]

Adams, L. G. and B. W. Dale. 1998. Timing and synchrony of parturition in Alaska caribou. Journal of Mammalogy 79(1):287-294. doi:10.2307/1382865 [Details] [Full Publication]

Smith, D. B., T. J. Meier, E. Geffen, L. D. Mech, J. W. Burch, L. G. Adams, and R. K. Wayne. 1997. Is incest common in gray wolf packs?. Behavioral Ecology 8:384-391. doi:10.1093/beheco/8.4.384 [Details] [Full Publication]

Haufler, J. B., L. G. Adams, J. A. Bailey, R. G. Brocke, M. J. Conroy, G. Joslin, and K. G. Smith. 1996. Wildlife management in North American wilderness. Wildlife Society Technical Review 96-1. [Details]

Adams, L. G., B. W. Dale, and L. D. Mech. 1996. Wolf predation on caribou calves in Denali National Park, Alaska. Pages 245-260 in L. N. Carbyn, S. H. Fritts, and D. R. Seip, (eds.). Ecology and conservation of wolves in a changing world: Proceedings of the second North American symposium on wolves. Canadian Circumpolar Institute Occasional Paper 35 [Details]

Meier, T. J., J. W. Burch, L. D. Mech, and L. G. Adams. 1995. Pack structure and genetic relatedness among wolf packs in an naturally regulated population. Pages 293-302 in L. N. Carbyn, S. H. Fritts, and D. R. Seip, (eds.). Ecology and conservation of wolves in a changing world: Proceedings of the second North American symposium on wolves. Canadian Circumpolar Institute Occasional Paper 35 [Details]

Mech, L. D., T. J. Meier, J. W. Burch, and L. G. Adams. 1995. Patterns of prey selection by wolves in Denali National Park, Alaska. Pages 231-244 in L. N. Carbyn, S. H. Fritts, and D. R. Seip, (eds.). Ecology and conservation of wolves in a changing world: Proceedings of the second North American symposium on wolves. Canadian Circumpolar Institute Occasional Paper 35 [Details]

Dale, B. W., L. G. Adams, and R. T. Bowyer. 1995. Winter wolf predation in a multiple ungulate prey system, Gates of the Arctic National Park, Alaska. Pages 223-230 in L. N. Carbyn, S. H. Fritts, and D. R. Seip, (eds.). Ecology and conservation of wolves in a changing world: Proceedings of the second North American symposium on wolves. Canadian Circumpolar Institute Occasional Paper 35, 642 p. [Details]

Adams, L. G. and L. D. Mech. 1995. Population trends of wolves and caribou in Denali National Park, Alaska. Pages 347-348 in E. T. LaRoe III, G. S. Farris, C. E. Puckett and P. D. Doran, M. J. Mac, (eds.). Our Living Resources 1994: A report to the nation on the distribution, abundance and health of U.S. plants, animals and ecosystems. US Deptartment of Interior, National Biological Service, 530 p. [Details]

Adams, L. G., F. J. Singer, and B. W. Dale. 1995. Caribou calf mortality in Denali National Park, Alaska. Journal of Wildlife Management 59(3):584-594. doi:10.2307/3802467 [Details] [Full Publication]

Dale, B. W., L. G. Adams, and R. T. Bowyer. 1994. Functional response of wolves preying on barren-ground caribou in a multiple-prey ecosystem. Journal of Animal Ecology 63:644-652. doi:10.2307/5230 [Details] [Full Publication]

Davis, J. L., L. G. Adams, P. Valkenburg, and D. J. Reed. 1991. The relationship between caribou body weight and age and cohort specific reproduction. Pages 115-142 in Butler, C. E. and S. P. Mahoney, (eds.). Proceedings of the Fourth North American Caribou Workshop. Newfoundland and Labrador Wildlife Division 529 p. St. Johns's, Newfoundland. [Details]

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