Dr. Jeffery Isely

Professor, Freshwater and Marine Fish Biology

Education:
Ph.D. Texas A&M University - 1984
M.A. Southern Illinois University - 1981
B.S. University of Michigan, Natural resources - 1979
B.S. Kent State University, Biology - 1979

Research interest:
My research interest lies in fish ecology, primarily focusing on the effects of stress on growth and mortality. In my most recent work I have applied methods of analysis previously reserved for adult fish to data on growth and mortality of larval fish using detailed growth information recorded in the otoliths, or ear bones. This work is leading to new methods of stock identification, as well as methods for evaluating the effectiveness of large scale stocking programs. In addition to this I am investigating the causes of mortality of fish caught and released by anglers, the use of thermal refuges by striped bass and trout in marginal habitats.

Publications:
Grimes, C.B., and J.J. Isely. 1996. Back-calculation of length at daily age: A method for investigating growth and mortality dynamics of early life history stages of fishes. Transactions of the American Fisheries Society 125:741-752.

Wall, S.B., J.J. Isely, and T.W. La Point. 1996. Fish bioturbation of cadmium contaminated sediments: factors affecting Cd availability to Daphnia magna. Environmental Toxicology and Chemistry 15:294-298.

Tomasso, A.O., J.J. Isely, and J.R. Tomasso. 1996. Physiological response and mortality of striped bass angled in fresh water. Transactions of the American Fisheries Society 125:321-325.

David, A.W., J.J. Isely, and C.B. Grimes. 1994. Differences between sagitta, lapillus, and asteriscus in estimating age and growth in juvenile red drum, Sciaenops oscillatus. Fishery Bulletin 92:509-515.

Courses:
Fish Ecology

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