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Dr. Paul Leberg's special interests are in the application of theory from ecology, evolution, and population genetics to questions in wildlife management and conservation biology. Dr. Leberg's work employs experimental approaches to gain understanding of interactions between genetic diversity, environmental variation, and population viability under natural conditions. Students in Dr. Leberg's laboratory are evaluating how well theory and laboratory observations involving founder effects, bottlenecks, inbreeding, and outbreeding predict viability of experimental populations of vertebrates. They are also assessing how genetic diversity on population level processes is affected by fluctuating and stressful environments. Environmental stresses include parasitism, competition, predation, heavy metals, temperature, and salinity. This research adds to their understanding of how genetic variation influences a population's ability to survive in the face of biotic and abiotic threats and provides insight into the management of vertebrates in small populations and the restoration of species to areas from which they have been extirpated.

Dr. Leberg's research interests also include the effects of human activities on the genetics, evolution, and ecology of vertebrates. Genetic diversity is assessed in wildlife species whose population structures have been altered by humans, and in experimentally manipulated populations maintained in simulated natural conditions. As part of this work, Dr. Leberg is evaluating the relative power of different biochemical and molecular techniques to assess variation in genetic diversity within and among populations, as well as to serve as tags for the study of individual movement and estimation of population size. Dr. Leberg and his students are also examining the effects of habitat change, such as wetland loss and forest alteration, on a diverse group of vertebrates including fish, seabirds, songbirds, and bats.

Ph.D. in Ecology, 1990
University of Georgia

M.S. in Biology, 1985
University of Memphis

B.S. in Wildlife and Biology, 1982
University of Wisconsin, Stevens Point

• Environmental Biology
• Conservation Biology
• Ecology, Biometrics
• Molecular Ecology
• Coastal Ecology and restoration
• Biotic Consequences of Climate Variation

Opportunities for Student Research/Collaboration:

Field and laboratory work in association with Graduate Student research in coastal �޻���ֱ��

• Byerly, P.A, R. T. Chesser, R. C. Fleischer 4 , N. McInerney, N. A. S. Przelomska, and P.L. Leberg 2022. Museum genomics provide evidence for persistent genetic differentiation in a threatened seabird species in the Western Atlantic. Integrative and Comparative Biology
• Byerly, P.A, S. Zaluski, D. Nellis, and P.L. Leberg 2022. Effects of Colony Disturbance on Reproductive Success and Nest Defense Behaviors in Caribbean Roseate Terns. Waterbirds in press. 
• Jones, LR, E. Godollei, , A Sosa, K Hucks, ST Walter, PL Leberg, and J. Spring. 2021. Validating an unmanned aerial vehicle (UAV) approach to survey colonial waterbirds. Waterbirds, 43, 263-270. doi.org/10.1675/063.043.0304
• Hauser, S. S., Athrey, G., & Leberg, P. L. 2021. Waste not, want not: Microsatellites remain an economical and informative technology for conservation genetics. Ecology and Evolution, 11, 15800–15814. doi. org/10.1002/ece3.8250
• Byerly, P.A, S. Zaluski, D. Nellis, and P.L. Leberg 2021. Colony characteristics influence nest survival of Caribbean Roseate Terns. Ornithological Applications, 123: doi.org/10.1093/ornithapp/duaa069
• Hauser S., and P.L. Leberg P. 2020. Riparian areas potentially provide crucial corridors through fragmented landscape for black-capped vireo (Vireo atricapilla) source-sink system. Conservation Genetics, 22:1-10.
• Byerly, P.A, H. Waddle, A. Romero Premeaux, and P.L. Leberg. 2020. Effects of barrier island salt marsh restoration on marsh bird occurrence in the Northern Gulf of Mexico. Restoration Ecology. https://doi.org/10.1111/rec.13222
• Geary, B., S.T. Walter, P.L. Leberg, J. Karubian. 2020. Breeding Brown Pelicans improve foraging performance as energetic needs rise. In press, Scientific Reports. Doi: 10.1038/s41598-020-58528-z
• Klerks P.L,, G.N. Athrey, and P.L. Leberg 2019. Response to Selection for Increased Heat Tolerance in a Small Fish Species, With the Response Decreased by a Population Bottleneck. Front. Ecol. Evol. 7:270. doi: 10.3389/fevo.2019.00270
• Geary, B., S.T. Walter, P.L. Leberg, J. Karubian. 2019. Condition-dependent foraging strategies in a coastal seabird: evidence for the rich get richer hypothesis, Behavioral Ecology, https://doi.org/10.1093/beheco/ary173
• Schulz, J.L. and P.L. Leberg. 2019. Factors Affecting Prey Availability and Habitat Use of Nonbreeding Piping Plovers (Charadrius melodus) in Coastal �޻���ֱ��. Journal of Coastal Research. 35: 861–871 ISSN 0749-0208. doi: 10.2112/JCOASTRES-D-17-00147.1
• Hauser, S.S., L. Walker, and P.L. Leberg. 2018. Asymmetrical gene flow of the recently delisted passerine black‐capped vireo (Vireo atricapilla) indicates source‐sink dynamics in central Texas. Ecology and Evolution, DOI: 10.1002/ece3.4764
• Hauser, S., K. Wakeland, and P.L. Leberg. 2018. Inconsistent use of multiple comparison corrections in studies of population genetic structure: Are some Type I errors more tolerable than others? Molecular Ecology Resources. doi: 10.1111/1755-0998.12947.
• Baker, A.D., and P.L. Leberg. 2018. Impacts of human recreation on carnivores in protected areas. PLOS ONE. doi.org/10.1371/journal.pone.0195436
• Geary, B., S. M. Longest, K. Ottewell, S. M. Lantz, S. T. Walter, J. Karubian and P. L. Leberg. 2017. Genetic structure of brown pelicans (Pelecanus occidentalis) in the northern Gulf of Mexico in the context of human management and disturbance. PLOS ONE 12:e0185309.
• Jones, L., D. M. Johnson, S. M. Duke-Sylester, and P. L. Leberg. 2017. Closing the gaps for animal seed dispersal: separating the effects of habitat loss on dispersal distances and seed aggregation. Ecology and Evolution. 7(14):5410-5425 http://onlinelibrary.wiley.com/doi/10.1002/ece3.3113/full)
• Hutchison, N.L., R.F. Lance, C.E. Pekins, M.E. Noble, and P.L. Leberg. 2016. Influence of geomorphology and surface �޻���ֱ��s on the genetic structure of an important trogloxene, the secret cave cricket (Ceuthophilus secretus). Conservation Genetics 17:969-983

• 2012-present John Chance Board of Regents Support Fund Professorship, University of �޻���ֱ�� 
• 2007 Foundation Distinguished Professor, University of �޻���ֱ�� Foundation 
• 2006-2012 Fritz Lang Board of Regents Support Fund Professorship in Environmental Biology, University of �޻���ֱ��