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Dr. Jake Schaefer

Professor

Bio

Research in my lab focuses on the evolutionary ecology, physiology and conservation of freshwater fishes. Much of the research utilizes species in the Fundulus notatus species complex (F. notatus, F. olivaceus and F. euryzonus) to address basic questions in evolutionary ecology. The species in this complex are closely related and known to hybridize in numerous replicate hybrid zones throughout their broadly overlapping ranges. Within areas of coexistence, the species usually segregate along the river continuum with areas of hybridization and coexistence focused on confluences. Interestingly, in some areas of the distribution, typical up and downstream distributions may be reversed. Thus, hybrid zones in this system are replicated and replicate hybrid zones vary in the degree of genetic divergence and ecology of the parental species.
More details at http://ichthyology.usm.edu

  • Ecology and Evolutionary Biology (PHD) - University of Oklahoma-Norman Campus (1999)
  • MS - University of Oklahoma-Norman Campus (1995)
  • BS - Stetson University (1992)

Ichthyology
Population and Community Ecology
Multivariate Applications in Ecology
Environmental Physiology

  • Confluences and Land Cover as Agents of Change: Habitat Change Modifies the Movement and Assemblage Stability of Headwater Fishes, Urban Ecosystems, 2022,
  • Long鈥恡erm minnow community trait shifts and metacommunity dynamics in a geomorphically unstable river., Ecology of Freshwater Fish, 2022,
  • Fragmentation alters ecological gradients and headwater fish assemblage composition relative to land use in a dendritic river system, Canadian Journal of Fisheries and Aquatic Sciences,
  • Updated status of Bayou Darter, a narrowly ranged endemic in a geomorphically active watershed, Endangered Species Research, 2021
  • Modeling patterns of coexistence of three congeneric headwater fishes, Freshwater Biology, ,
  • Fragmentation alters ecological gradients and headwater fish assemblage composition relative to land use in a dendritic river system, Canadian Journal of Fisheries and Aquatic Sciences,
  • Modeling patterns of coexistence of three congeneric headwater fishes, Freshwater Biology, ,
  • Late Pleistocene range expansion of North American topminnows accompanied by admixture and introgression, Journal of Biogeography, 2019,
  • Scale dependence of sex-specific movement in a small-bodied stream fish, Freshwater Biology, 2019,
  • Society for the Study of Evolution
  • American Fisheries Society
  • Ecological Society of America
  • Southeasetern Fishes Council
  • Southwestern Association of Naturalists

Contact Me

Johnson Science Tower (JST) 1007

Hattiesburg

Email
Jake.SchaeferFREEMississippi

Phone
601.266.4748

Areas of Expertise

Ecology, Evolution, Ichthyology