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Much of my research is aimed at understanding what drives the success – or failure – of populations. This is done with an appreciation for the influence of spatial structure of the environment, temporal variation in environmental conditions, and the potential mismatch between evolved traits and conditions brought about by anthropogenic changes to the environment. Two main directions of this research have been 1) the interaction of life history adaptations and environmental change and 2) the influence of spatial structure of the environment and animal movement on population success.
Chen, K-Y, S. A. Ludsin, M. M. Corey, *P. D. Collingsworth, M. K. Nims, J. W. Olesik, K. Dabrowski, J. J. van Tassell, Marschall, E. A. 2017. Experimental and field evaluation of otolith strontium as a marker to discriminate between river-spawning populations of walleye in Lake Erie. Canadian Journal of Fisheries and Aquatic Sciences, 2017, 74:693-701
Farmer, T.M., Marschall, E. A., K Dabrowski, and S.A. Ludsin. 2015. Short winters threaten temperate fish populations. Nature Communications, 6.
Kallis, J. L., and E. A. Marschall. 2014. How body size and food availability influence first-winter growth and survival of a stocked piscivore. Transactions of the American Fisheries Society 143: 1434-1444.
Marschall, E. A., M. E. Mather, D. L.Parrish, G. W. Allison, and J. R. McMenemy. 2011. Migration delays caused by anthropogenic barriers: modeling dams, temperature, and success of migrating salmon smolts. Ecological Applications 21:3014–3031.
Collingsworth, P.D. and E. A. Marschall. 2011. Spatial and temporal patterns in maternal energetic traits in Lake Erie yellow perch (Perca flavescens). Freshwater Biology 56: 2500-2513.
Steinhart, G.B., E.S. Dunlop, M.S. Ridgway, and E.A. Marschall. 2008. Should I stay or should I go? Optimal parental care decisions of a nest-guarding fish. Evolutionary Ecology Research 10: 351-371.
Steinhart, G.B., N.J. Leonard, R. A. Stein, and E. A. Marschall. 2005. Effects of storms, anglers, and predators on smallmouth bass nest success. Canadian Journal of Fisheries and Aquatic Sciences 62: 2649-2660.
Yoder, J. A, E. A. Marschall, and D. A. Swanson. 2004. The cost of dispersal: predation as a function of movement and site familiarity in ruffed grouse. Behavioral Ecology 15: 469-476.
Garvey, J. E. and E. A. Marschall. 2003. Understanding latitudinal trends in fish body size through models of optimal seasonal energy allocation. Canadian Journal of Fisheries and Aquatic Sciences 60: 938-948.
Mauck, R. A., E. A. Marschall, and P. G. Parker. 1999. Interaction of adult survival and uncertainty of paternity in parental care decisions. The American Naturalist 154:99-109.
Marschall, E.A., D.A. Roff, T.P. Quinn, J.A. Hutchings, N.B. Metcalfe, T.A. Bakke, R.L. Saunders, and L. Poff. 1998. A framework for understanding Atlantic salmon life history. Canadian Journal of Fisheries and Aquatic Sciences 55(Supplement 1):48-55.
Garvey, J.E., E.A. Marschall, and R.A. Wright. 1998. From starcharts to stoneflies: detecting relationships in continuous bivariate data. Ecology 79:442-447.
Miller, T.J., L.B. Crowder, J.A. Rice, and E.A. Marschall. 1988. Larval size and recruitment mechanisms in fishes: toward a conceptual framework. Canadian Journal Fisheries and Aquatic Sciences 45:1657-1670.
EEOB 5450 Population Ecology (Autumn Semester, even years)
EEOB 3410 Ecology
EEOB 7220 Modeling in Evolutionary Ecology
Jahn Kallis Ph.D. 2013. An ecological approach to management of an important reservoir fishery. Current position: Fishery Biologist, U.S. Fish and Wildlife Service, Columbia, MO
Troy Farmer Ph.D. 2013. Climate change effects on Lake Erie yellow perch reproduction and recruitment. Current position: Assistant Professor, Clemson University, SC
Cassie May Ph.D. 2015. The importance of early life processes to future growth and recruitment in Lake Erie walleye. (Current position: Assistant Professor, Bethel College, Mishawaka, IN)
Alex Chen Ph.D. 2016. Lake Erie walleye population structure and stock discrimination methods
Jeramy Pinkerton M.S. 2016. Predicting the potential distribution of two threatened stream fish species in northeast Ohio. (Current position: Fisheries Specialist, Minnesota Department of Natural Resources)
Amara Huddleston M.S., expected 2018
Zoe Almeida Ph.D., expected 2020
Keith Shane M.S., expected 2018