Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Dr. Alan Afton

Research Publications

  • Bolduc, F., and A. D. Afton. 2012. Interactions of structural marsh management, salinity, and water depth on wintering waterbird communities. Pages 109-128 in Wetlands: Ecology, Management and Conservation (A. Baranyai and D. Benko, eds.). Nova Scientific Publishers, Inc., Hauppauge, NY.
  • Link, P. T., A. D. Afton, R. R. Cox, Jr., and B. E. Davis. 2011. Use of habitats by female mallards wintering in southwestern Louisiana. Waterbirds 34:429-438.
  • Link, P. T., A. D. Afton, R. R. Cox, Jr., and B. E. Davis. 2011. Daily movements of female mallards wintering in southwestern Louisiana. Waterbirds 34:422-428
  • Gurney, K. E. B., R. G. Clark, S. M. Slattery, N. V. Smith-Downey, J. Walker, L. M. Armstrong, S. E. Stephens, M. Petrula, R. M. Corcoran, K. H. Martin, K. A. DeGroot, R. W. Brook, A. D. Afton, K. Cutting, J. M. Warren, M. Fournier, and D. N. Koons. 2011. Time constraints in temperate-breeding species: influence of growing season length on reproductive strategies. Ecography 34:628-636.
  • Davis, B. E., A. D. Afton, R. R. Cox, Jr. 2011. Factors affecting winter survival of female mallards in the Lower Mississippi Alluvial Valley. Waterbirds 34:186-194.
  • Anteau, M. J., A. C. E. Anteau, and A. D. Afton. 2011. Testing competing hypotheses for chronology and intensity of lesser scaup molt during winter and spring migration. The Condor 113:298-305.
  • Anteau, M. J., A. D. Afton, A. C. E. Anteau, E. B. Moser. 2011. Fish and land use influence Gammarus lacustris and Hyalella azteca (Amphipoda) densities in large wetlands across the upper Midwest. Hydrobologia 664:69-80.
  • Olsen, R. E., R. R. Cox, Jr., A. D. Afton, and C. D. Ankney. 2011. Diet and gut morphology of male mallards during winter in North Dakota. Waterbirds 34:59-69.
  • Anteau, M. J., and A. D. Afton. 2011. Lipid catabolism of invertebrate predator indicates widespread wetland ecosystem degradation. PLoS ONE 6(1):e16029.
  • Pillatzki, A. E., R. D. Neiger, S. R. Chipps, K. F. Higgins, N. Thiex, and A. D. Afton. 2011. Hepatic element concentrations of lesser scaup (Aythya affinis) during spring migration in the upper Midwest. Archives of Environmental Contaminants and Toxicology 61:144-150.
  • Guay, P.-J., R. T. Chesser, R. A. Mulder, A. D. Afton, D. C. Paton, and K. G. McCracken. 2010. East-west genetic differentiation in musk ducks (Bizura lobata) of Australia suggests late Pleistocene divergence at the Nullarbor Plain. Conservation Genetics 11:2105-2120.
  • Davis, B. E., and A. D. Afton. 2010. Movement distances and habitat switching by female mallards wintering in the lower Mississippi Alluvial Valley. Waterbirds 33:349-356.
  • Humphries, E. M., J. L. Peters, J. E. Jonsson, R. Stone, A. D. Afton, and K. E. Omland. 2009. Genetic differentiation between sympatric and allopatric wintering populations of snow geese. The Wilson Journal of Ornithology 121:730-738.
  • Anteau, M. J., and A. D. Afton. 2009. Lipid reserves of lesser scaup (Aythya affinis) migrating across a large landscape are consistent with the "spring condition" hypothesis. Auk 126:873-883.
  • Davis, B. E., A. D. Afton, and R. R. Cox, Jr. 2009. Habitat use of female mallards in the lower Mississippi Alluvial Valley. Journal of Wildlife Management 73:701-709
  • Anteau, M. J., and A. D. Afton. 2009. Wetland use and feeding by lesser scaup during spring migration across the upper Midwest, USA. Wetlands 29:704-712.
  • Jonsson, J. E., and A. D. Afton. 2009. Time budgets of snow geese Chen caerulescens and Ross's geese C. rossi in mixed flocks: implications of body size, ambient temperature and family associations. Ibis 151:134-144.
  • Jonsson, J. E., and A. D. Afton. 2008. Lesser snow geese and Ross's geese form mixed flocks during winter but differ in family maintenance and social status. Journal of Wilson Ornithology 120:725-731.
  • Szymanski, M. L., and A. D. Afton. 2008. New duck hunting technologies: hunter perceptions contradict data on effectiveness. Human Dimensions of Wildlife 13:299-300.
  • Bolduc, F., and A. D. Afton. 2008. Monitoring waterbird abundance in wetlands: the importance of controlling results for variation in water depth. Ecological Modelling 216:402-408.
  • Anteau, M. J., and A. D. Afton. 2008. Using plasma-lipid metabolites to index changes in lipid reserves of free-living lesser scaup (Aythya affinis). Auk 125:354-357.
  • Anteau, M. J., and A. D. Afton. 2008. Amphipod densities and indices of wetland quality across the Upper-Midwest, USA. Wetlands 28:184-196.
  • Anteau, M. J., and A. D. Afton. 2008. Diets of lesser scaup during spring migration throughout the Upper-Midwest are consistent with the spring condition hypothesis. Waterbirds 31:97-106.
  • Szymanski, M. L., A. D. Afton, and K. A. Hobson. 2007. Erratum. Journal of Wildlife Management 71:2118.
  • Jonsson, J. E., A. D. Afton, and R. T. Alisauskas. 2007. Does body size influence nest attendance? A comparison of Ross?s geese (Chen rossii) and the larger, sympatric lesser snow geese (C. caerulescens caerulescens). Journal of Ornithology 148:549-555.
  • Szymanski, M. L., A. D. Afton, and K. A. Hobson. 2007. Use of stable isotope methodology to determine natal origins of mallards at a fine scale within the Upper-Midwest. Journal of Wildlife Management 71:1317-1324
  • Jonsson, J. E., and A. D. Afton. 2006. Different time and energy budgets of lesser snow geese in rice-prairies and coastal marshes in southwest Louisiana. Waterbirds 29:451-458.
  • Anteau, M. J., A. D. Afton, C. M. Custer, and T. W. Custer. 2007. Relationships of cadmium, mercury, and selenium with nutrient reserves of female Lesser Scaup (Aythya affinis) during winter and spring migration. Environmental Toxicology and Chemistry 26:515-520
  • Vest, J. L., R. M. Kaminski, A. D. Afton, and F. J. Vilella. 2006. Body mass of lesser scaup during fall and winter in the Mississippi flyway. Journal of Wildlife Management 70:1789-1795.
  • Durham, R. S., and A. D. Afton. 2006. Breeding biology of mottled ducks on agricultural lands in southwestern Louisiana. Southeastern Naturalist 5:311-316.
  • Ackerman, J. T., J. M. Eadie, M. L. Szymanski, J. H. Caswell, M. P. Vrtiska, A. H. Raedeke, J. M. Checkett, A. D. Afton, T. G. Moore, F. D. Caswell, R. A. Walters, D. D. Humburg, J. L. Yee. 2006. Effectiveness of spinning-wing decoys varies among dabbling duck species and locations. Journal of Wildlife Management 70:799-804.
  • Anteau, M. J., and A. D. Afton. 2006. Diet shifts of lesser scaup are consistent with the spring condition hypothesis. Canadian Journal of Zoology 84:779-786.
  • Jonsson, J. E., A. D. Afton, D. G. Homberger, W. G. Henk, and R. T. Alisauskas. 2006. Do geese fully develop brood patches? A histological analysis of lesser snow geese (Chen caerulescens caerulescens) and Ross's geese (C. rossii). Journal of Comparative Physiology B. 176:453-462.
  • Jonsson, J. E., A. D. Afton, R. T. Alisauskas, C. K. Bluhm, and M. E. El Halawani. 2006. Ecological and physiological factors affecting brood patch area and prolactin levels in arctic-nesting geese. Auk 123:405-418.
  • Szymanski, M. L., and A. D. Afton. 2005. Effects of spinning-wing decoys on flock behavior and hunting vulnerability of mallards in Minnesota. Wildlife Society Bulletin 33:993-1001.
  • Bolduc, F., and A. D. Afton. 2005. Sediments in marsh ponds of the Gulf Coast Chenier Plain: effects of structural marsh management and salinity. Wetlands Ecology and Management 13:395-404.
  • Austin, J. E., C. M. Custer, and A. D. Afton. 2005. Lesser scaup. Pages 679-685 in Bird Families of the World: Ducks, Geese and Swans (J. Kear, Ed. ). Oxford University Press, Oxford, England.
  • Bolduc, F., and A. D. Afton. 2004. Relationships between wintering waterbirds and invertebrates, sediments and hydrology of coastal marsh ponds. Waterbirds 27:333-341.
  • McCracken, K. G., J. Hemmings, D. C. Paton, and A. D. Afton. 2004. Capture methods for musk ducks. Wildfowl 54:209-212.
  • Anteau, M. J., and A. D. Afton. 2004. Nutrient reserves of lesser scaup (Aythya affinis) during spring migration in the Mississippi Flyway: a test of the spring condition hypothesis. Auk 121:917-929.
  • Gabrey, S. W., and A. D. Afton. 2004. Composition of breeding bird communities in Gulf Coast Chenier Plain marshes: effects of winter burning. Southeastern Naturalist 3:173-185.
  • Bolduc, F., and A. D. Afton. 2003. Effects of structural marsh management and salinity on invertebrate prey of waterbirds in marsh ponds during winter on the Gulf Coast Chenier Plain. Wetlands 23:897-910.
  • Bolduc, F., and A. D. Afton. 2004. Hydrologic aspects of marsh ponds during winter on the Gulf Coast Chenier Plain, USA: effects of structural marsh management. Marine Ecology Progress Series 266:35-42.
  • Caswell, J. H., A. D. Afton, and F. D. Caswell. 2003. Vulnerability of nontarget goose species to hunting with electronic snow goose calls. Wildlife Society Bulletin 31:1117-1125.
  • Durham, R. S., and A. D. Afton. 2003. Nest-site selection and success of mottled ducks on agricultural lands in southwest Louisiana. Wildlife Society Bulletin 31:433-442.
  • Rotella, J. J., R. G. Clark, and A. D. Afton. 2003. Survival of female lesser scaup: effects of body size, age, and reproductive effort. Condor 105:336-347.
  • Custer, C. M., T. W. Custer, M. J. Anteau, A. D. Afton, and D. E. Wooten. 2003. Trace elements in lesser scaup (Aythya affinis) from the Mississippi Flyway. Ecotoxicology 12:47-54.
  • McCracken, K. G., D. C. Paton, and A. D. Afton. 2002. Advertising displays of male musk ducks indicate population subdivision across the Nullarbor Plain of Australia. Wildfowl 53:137-154.
  • Gabrey, S. W., B. C. Wilson, and A. D. Afton. 2002. Success of artificial bird nests in burned Gulf Coast Chenier Plain marshes. Southwestern Naturalist 47:532-538.
  • Weckstein, J. D., A. D. Afton, R. M. Zink, and R. T. Alisauskas. 2002. Hybridization and population subdivision within and between Ross's geese and lesser snow geese: a molecular perspective. Condor 104:432-436
  • Afton, A. D., and M. G. Anderson. 2001. Declining scaup populations: a retrospective analysis of long-term population and harvest survey data. Journal of Wildlife Management 65:781-796.
  • Esler, D., J. B. Grand, and A. D. Afton. 2001. Intraspecific variation in nutrient reserve use during clutch formation by female lesser scaup. Condor 103:810-820
  • Gabrey, S. W., A. D. Afton, and B. C. Wilson. 2001. Effects of structural marsh management and winter burning on plant and bird communities during summer in the Gulf Coast Chenier Plain. Wildlife Society Bulletin 29:218-231.
  • Gabrey, S. W., and A. D. Afton. 2001. Plant community composition and biomass in Gulf Coast Chenier Plain marshes: responses to winter burning and structural marsh management. Environmental Management 27:281-293.
  • Gloutney, M. L., R. T. Alisauskas, A. D. Afton, and S. M. Slattery. 2001. Foraging time and dietary intake by breeding Ross's and lesser snow geese. Oecologia 127:78-86.
  • McCracken, K. G., D. C. Paton, and A. D. Afton. 2000. Sexual size dimorphism of the musk duck. Wilson Bulletin 112:457-466
  • Olsen, R. E., and A. D. Afton. 2000. Vulnerability of lesser snow geese to hunting with electronic calling devices. Journal of Wildlife Management 64:983-993.
  • McCracken, K. G., A. D. Afton, and D. C. Paton. 2000. Nests and eggs of musk ducks Biziura lobata at Murray Lagoon, Cape Gantheaume Conservation Park, Kangaroo Island, South Australia. South Australian Ornithologist 33:65-70.
  • Austin, J. E., A. D. Afton, M. G. Anderson, R. G. Clark, C. M. Custer, J. S. Lawrence, J. B. Pollard, and J. K. Ringelman. 2000. Declining scaup populations: issues, hypotheses, and research needs. Wildlife Society Bulletin 28:254-263.
  • Cox, R. R., Jr., and A. D. Afton. 2000. Predictable interregional movements by female northern pintails during winter. Waterbirds 23:258-269.
  • Gabrey, S. W., and A. D. Afton. 2000. Effects of winter marsh burning on abundance and nesting activity of Louisiana Seaside Sparrows in the Gulf Coast Chenier Plain. Wilson Bulletin 112:365-372.
  • McCracken, K. G., A. D. Afton, and M. S. Peters. 2000. Condition bias of hunter-shot ring-necked ducks exposed to lead. Journal of Wildlife Management 64:584-590.
  • Austin, J. E., A. D. Afton, M. G. Anderson, R. G. Clark, C. M. Custer, J. S. Lawrence, J. B. Pollard, and J. K. Ringleman. 1999. Declines of greater and lesser scaup populations: issues, hypotheses, and research directions. USDI, U. S. Geological Survey Report, Northern Prairie Wildlife Research Center, Jamestown, ND. (www. npwrc. usgs. gov/resource/1999/blubill/blubill. htm).
  • Cox, Jr., R. R., and A. D. Afton. 1999. Do mini-refuges supply wintering northern pintails with important diurnal roost sites? Response to Rave. Wildlife Society Bulletin 27:901-903.
  • Dunn, P. O., A. D. Afton, M. L. Gloutney and R. T. Alisauskas. 1999. Forced copulation results in few extrapair fertilizations in Ross's and lesser snow geese. Animal Behaviour 57:1071-1081.
  • Gabrey, S. W., A. D. Afton, and B. C. Wilson. 1999. Effects of winter burning and structural marsh management on vegetation and winter bird abundance in the Gulf Coast Chenier Plain, USA. Wetlands 19:594-606.
  • Gloutney, M. L., R. T. Alisauskas, K. A. Hobson, and A. D. Afton. 1999. Use of supplemental food by breeding Ross's and lesser snow geese: evidence for variable anorexia. Auk 116:97-108.
  • McCracken, K. G., J. Harshman, D. A. McClellan, and A. D. Afton. 1999. Data set incongruence and correlated character evolution: an example of functional convergence in the hind-limbs of stifftail diving ducks. Systematic Biology 48:683-714.
  • Olsen, R. E., and A. D. Afton. 1999. Goose hunter opinions concerning proposed management actions to reduce the mid-continent population of lesser snow geese. Wildlife Society Bulletin 27:107-113.
  • Pace, R. M., III., and A. D. Afton. 1999. Direct recovery rates of lesser scaup banded in northwest Minnesota: sources of heterogeneity. Journal of Wildlife Management 63:389-395.
  • Alisauskas, R. T., S. M. Slattery, J. P. Ryder, M. L. Gloutney, A. D. Afton, R. H. Kerbes, and M. R. McLandress. 1998. Discrimination of Ross's and lesser snow goose eggs. Journal of Field Ornithology 69:647-653.
  • Cox, R. R., Jr., A. D. Afton, and R. M. Pace, III. 1998. Survival of female northern pintails wintering in southwestern Louisiana. Journal of Wildlife Management 62:1512-1521.
  • Austin, J. E., C. M. Custer, and A. D. Afton. 1998. Lesser scaup (Aythya affinis). In The Birds of North America, No. 338 (A. Poole and F. Gill, Eds. ). The Birds of North America, Inc., Philadelphia, PA.
  • Cox, R. R., Jr., and A. D. Afton. 1998. Effects of capture and handling on survival of female northern pintails. Journal of Field Ornithology 69:276-287
  • Cox, R. R., Jr., and A. D. Afton. 1998. Use of mini-refuges by female northern pintails wintering in southwestern Louisiana. Wildlife Society Bulletin 26:130-137.
 

Current Staff

Federal Staff: 3

Masters Students: 0

Phd Students: 3

Post Docs: 1

University Staff: 4

5 Year Summary

Students graduated: 13

Scientific Publications: 46

Presentations: 76

 

Contact Us

Louisiana Cooperative Fish and Wildlife Research Unit Baton Rouge, LA 70803-6202 Phone: (225) 578 - 4179 Fax: (225) 578 - 4144 Our University Web Site

Unit Leader

Sammy King
Sammy King, Unit Leader, Louisiana Cooperative Fish and Wildlife Research Unit

Dr. King is a native of Louisiana and holds a B.S. from Nicholls State University, M.S. from Auburn University, and a Ph.D. from Texas A&M University

Links

  1. School of Renewable Natural Resources

Louisiana Cooperative Fish and Wildlife Research Unit Cooperators

  1. Louisiana Department of Wildlife and Fisheries
  2. Louisiana State University
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute