Arthur Temple College of Forestry and Agriculture

Schalk picture 100x150Christopher Schalk, Ph.D., Assistant Professor
936-468-1332 |  This email address is being protected from spambots. You need JavaScript enabled to view it. 
Forest Wildlife Managment, Community Ecology,
Conservation Biology, Herpetology

Doctor of Philosopy, 2016, Texas A&M University, College Station, TX.
Emphasis: Wildlife and Fisheries Sciences

Bachelor of Science, 2008, State University of New York, Syracuse, NY.
Major: Environmental Science


Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University
8/2017 – Present: Assistant Professor of Forest Wildlife Management 

Department of Biological Sciences, Sam Houston State University
1/2016-7/2017: Post-Doctoral Research Associate and Lecturer

U.S. Forest Service, Southern Research Station
1/2016-8/2016: Research Associate

Department of Wildlife and Fisheries Sciences, Texas A&M University
8/2010-8/2016: National Science Foundation GRFP Fellow
8/2008-8/2016: NSF-IGERT Applied Biodiversity Science Fellow
5/2010-8/2010: Research Assistant


Schalk, C.M., T. Trees, J.B. Pierce, D.C. Rudolph. In review. Food habits of sympatric pitvipers
of the Western Gulf Coastal Plain, USA. Target Journal: Herpetological Review.

Schalk, C.M., C.G. Montaña, K. Kralman, D.J. Leavitt. In review. Functional distance and
establishment of non-native species with complex life cycles. Target Journal: Biological Invasions.

Schalk, C.M., M.V. Cove. In review. Squamates as prey: Size and trait relationships between predators and prey. Target Journal: Journal of Zoology.

Leavitt, D.J., C.M. Schalk. In review. Functional perspectives on the dynamics of desert lizard
assemblages. Target Journal: Journal of Arid Environments.

Schalk, C.M., C.G. Montaña, L.A. Fitzgerald. In review. Species packing, functional traits,
and community organization of tropical frogs. Target Journal: Oecologia.

Montaña, C.G., C.M. Schalk. In review. Intrinsic and extrinsic correlates of stoichiometric and isotopic composition of freshwater stream fishes. Target Journal: Journal of Fish Biology.

Ceneviva-Bastos, M., C.G Montaña, C.M. Schalk, L. Casatti, P.B. Carmargo. In press. Responses of aquatic food webs to the addition of structural complexity and basal resource diversity in degraded Neotropical streams. Austral Ecology.

Schalk, C.M., C.G. Montaña, K.O. Winemiller, L.A. Fitzgerald. 2017. Trophic plasticity, environmental gradients, and food-web structure of tropical pond communities. Freshwater Biology. 62:519-529.

Sosa, R., C.M. Schalk. 2016. Seasonal activity and species habitat guilds influence road–kill patterns of Neotropical snakes. Tropical Conservation Science. 9:1-12.

Schalk, C.M. 2016. Predator-induced phenotypic plasticity in an arid-adapted tropical tadpole. Austral Ecology. 41:415-422.

Luhring, T.M., G.M. Connette, C.M. Schalk. 2016. Trap characteristics result in size-biased sampling of two salamander species. Amphibia-Reptilia. 37:79-89.

Schalk, C.M., D. Saenz. 2016. Environmental drivers anuran calling phenology in a seasonal Neotropical ecosystem. Austral Ecology. 41:16-27.

Layman, C.A., S.T. Giery, S. Buhler, R. Rossi, T. Penland, M.N. Henson, A.K. Bogdanoff, M.V. Cove, A.D. Irizarry, C.M. Schalk, S.K. Archer. 2015. A primer on the history of food web ecology: Fundamental contributions of fourteen researchers. Food Webs. 4:14-24.

Schalk, C.M., C.G. Montaña, L.E. Springer. 2015. Morphological diversity and community organization of desert anurans. Journal of Arid Environments. 122:132-140.

Schalk, C.M., L.A. Fitzgerald. 2015. Ontogenetic shifts in ambush site selection of a sit-and-wait predator, the Chacoan Horned Frog (Ceratophrys cranwelli). Canadian Journal of Zoology. 93:461-467.

Schalk, C.M., C.G. Montaña, J.L. Klemish, E.R. Wild. 2014. On the diet of the frogs of the Ceratophryidae: Synopsis and new contributions. South American Journal of Herpetology. 9:90-105.

Schalk, C.M., M. Sezano. 2014. Observations on the use of tarantula burrows by the anurans Leptodactylus bufonius (Leptodactylidae) and Rhinella major (Bufonidae) in the Dry Chaco ecoregion of Bolivia. Acta Herpetologica. 9:99-102.

Schalk, C.M., C.G. Montaña, M. Libson. 2014. Reproductive strategies of two Neotropical killifish, Austrolebias vandenbergi and Neofundulus ornatipinnis (Cyprinodontiformes: Rivulidae) in the Bolivian Gran Chaco. Revista de Biologia Tropical. 62:109-117.

Schalk, C.M., M. Senzano, R.L. Cuellar. 2013. Inventory of the reptiles and amphibians from a locality in the Kaa-Iya of the Gran Chaco National Park, Bolivia. Kempffiana. 9:26-33.

Montaña, C.G., C.M. Schalk, D.C. Taphorn. 2012. First record of Van den Berg's Pearlfish, Austrolebias vandenbergi (Huber 1995) in Bolivia with comments on its diet and reproductive biology. Check List. 8:589-591.

Patrick, D.A., C.M. Schalk, J.P. Gibbs, H.W. Woltz. 2010. Effective culvert placement and design to facilitate passage of amphibians across roads. Journal of Herpetology. 44:618-626.

Schalk, C.M. 2012. A study of the aquatic communities and food webs in lentic systems of the Bolivian Gran Chaco. Submitted to: Noel Kempff Mercado Museum of Natural History, Santa Cruz, Bolivia. (In Spanish)

Schalk, C.M. 2012. The indirect effects of predators on the growth and development on the tadpoles of Leptodactylus bufonius. Submitted to: Kaa-Iya of the Gran Chaco National Park, Santa Cruz, Bolivia. (In Spanish).

Patrick, D.A., J.P. Gibbs, D.J. Leopold, P.K. Ducey, H.W. Woltz, D. Crane, F. Beaudry, D.V. Popescu, C.M. Schalk. 2011 Effects on New York State Roadways on Amphibians and Reptiles: A Research and Adaptive Mitigation Project. NSYDOT Report Project.

Smolensky, N., C.M. Schalk, T.J. Hibbitts. 2010. Natural History of the Vertebrates Laboratory Manual (WFSC 302). Texas A&M University.

Stephen F. Austin State University, Arthur Temple College of Forestry and Agriculture
Vertebrate Natural History

Sam Houston State University, Department of Biological Sciences
Contemporary Biology
Community Ecology

Texas A&M University, Department of Wildlife and Fisheries Sciences
Natural History of the Vertebrates

SUNY-ESF, Department of Environmental and Forest Biology

2016 – Present: Associate Editor, Herpetological Review

Acta Oecologica 

American Midland Naturalist

Austral Ecology 

Biological Journal of Linnean Society 

Biotropica Conservation Biology

Food Webs

Herpetological Conservation and Biology

Herpetological Review

Integrative Zoology


Journal of the Arkansas Academy of Science

Journal of Herpetology 

Journal of Natural History

Journal of Tropical Ecology




Revista de Biología Tropical

Scientific Reports

South American Journal of Herpetology 

The Herpetological Journal 

Tropical Conservation Science

2016: Professional Development Workshop Speaker, Introduction to NSF’s Graduate Research and Fellowship Program, Sam Houston State University

2012-2013: Secretary, Ecology & Evolutionary Biology Student Organization, Texas A&M University,

2012-2013: Awards Committee Student Representative, Department of Wildlife and Fisheries Sciences, Texas A&M University