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F. JOSEPH MARGRAF
Leader, Alaska Cooperative Fish and Wildlife Research Unit and
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RESEARCH INTEREST:
Population and community ecology, trophic interactions, and bioenergetics
of freshwater and estuarine fishes.
EDUCATION:
Ph.D. Fisheries Science, Statistics, 1978, Texas A&M University.
M.S. Fisheries Science, 1977, Texas A&M University.
B.S. Fisheries Science, 1970, Cornell University.
EXPERIENCE:
1999.-present Unit Leader, Alaska Cooperative Fish and Wildlife Research Unit; Professor, School of Fisheries and Ocean Sciences, University of Alaska Fairbanks.
1995.-1999. Unit Leader, Maryland Cooperative Fish and Wildlife Research Unit; Professor of Fisheries, University of Maryland Eastern Shore.
1987-1995. Unit Leader, West Virginia Cooperative Fish and Wildlife Research Unit; Associate Professor to Professor of Fisheries, Division of Forestry, West Virginia University.
1980-1987. Assistant Leader to Leader of the Ohio Cooperative Fishery Research Unit to Assistant Leader of the Ohio Cooperative Fish and Wildlife Research Unit; Assistant Professor to Associate Professor, Department of Zoology and the School of Natural Resources, The Ohio State University.
1977-1980. Biometrician and Aquatic Ecologist. LGL Ecological Research Associates, Inc., Bryan, TX.
1976-1977. Graduate Teaching Assistant. Texas A&M University, College Station, TX.
1974-1976. Research Associate - Assistant Project Supervisor. Texas A&M University, College Station, TX.
1970-1974. Research Biologist. Ichthyological Associates, Inc., Ithaca, NY.
1969-summer. Assistant Fishery Biologist. New Jersey Division of Fish
and Game, Marine Fishery Section, Absecon, NJ.
PROFESSIONAL SOCIETY MEMBERSHIP:
American Fisheries Society
American Institute of Fishery Research Biologists (Fellow)
Estuarine Research Federation
RECENT PUBLICATIONS:
Maio, K.J., and F.J. Margraf. (In Press). Temporal and spatial patterns of egg density for use in development of a survey method for horseshoe crab management. North American Journal of Fisheries Management.
Millard, M.J., and F.J. Margraf. (In Press). Nearshore and back channel habitat use by larval fishes in the Upper Ohio River. Journal of Freshwater Ecology.
Ras, L.B., F.J. Margraf, D.L. Bounds, and E. Soutiere. (In Press) Population estimates of nutria and hunting trends at Tudor Farms, Dorchester County, Maryland. Proceedings of the North American Aquatic Furbearer Symposium.
Rider, S.J., and F.J. Margraf. 1998. Foraging characteristics of larval bluegill sunfish and larval longear sunfish in the Kanawha River, West Virginia. Journal of Freshwater Ecology. 13:221-228.
Rider, S.J., and F.J. Margraf. 1997. Dynamics of ichthyoplankton in the Kanawha River, West Virginia: Implications for the effects of navigation traffic. Journal of Freshwater Ecology. 12:239-251.
Murphy, B.R. and F.J. Margraf. 1995. Chapter 9--Academic Positions in Fisheries Science. In T.D. Hill and R.M. Neuman (editors). An AFS Guide to Fisheries Employment. American Fisheries Society, Education Section, Bethesda, Maryland. pp. 81-88.
Perry, W.B., W.J. Janowsky, and F.J. Margraf. 1995. A bioenergetics simulation of the potential effects of angler harvest on growth of largemouth bass in a catch-and-release reservoir fishery. North American Journal of Fisheries Management. 15:705-712.
Parrish, D.L. and F.J. Margraf. 1994. Spatial and temporal patterns of food use by white perch and yellow perch in Lake Erie. Journal of Freshwater Ecology. 9:29-35.
Margraf, F.J. and L.M. Riley. 1993. Evaluation of scale shape for identifying spawning stocks of coastal Atlantic striped bass (Morone saxatilis). Fisheries Research 18:163-172.
Hartman, K.J. and F.J. Margraf. 1993. Evidence of predatory control of yellow perch (Perca flavescens) recruitment in Lake Erie, U.S.A. Journal of Fish Biology 43:109-119.
Parrish, D.L. and F.J. Margraf. 1993. Growth responses of age 0 white perch and yellow perch from field-enclosure experiments. Hydrobiologia 254:119-123.
Hartman, K.J. and F.J. Margraf. 1992. Effects of prey and predator abundances on prey consumption and growth of walleyes in western Lake Erie. Transactions of the American Fisheries Society 121:245-260.
Hayward, R.S., F.J. Margraf, D.L. Parrish, and B. Vondracek. 1991. Low-cost field estimation of yellow perch daily ration. Transactions of the American Fisheries Society 120:589-604.
Parrish, D.L. and F.J. Margraf. 1991. Prey selectivity of age-0 white perch (Morone americana) and yellow perch (Perca flavescens) in laboratory experiments. Canadian Journal of Fisheries and Aquatic Sciences 48:607-610.
Parrish, D.L. and F.J. Margraf. 1990. Interactions between white perch (Morone americana) and yellow perch (Perca flavescens) in Lake Erie as determined from feeding and growth. Canadian Journal of Fisheries and Aquatic Sciences 47:1779-1787.
Chilton, E.W. and F.J. Margraf. 1990. Effects of fish predation on invertebrates associated with a macrophyte in Lake Onalaska, Wisconsin. Journal of Freshwater Ecology 5:289-296.
Parrish, D.L. and F.J. Margraf. 1990. Gastric evacuation rates of white perch (Morone americana) determined from laboratory and field data. Environmental Biology of Fishes 29:155-158.
Hayward, R.S., F.J. Margraf, C.T. Knight, and D.J. Glomski. 1989. Gear bias in field estimating the amount of food consumed by fish. Canadian Journal of Fisheries and Aquatic Sciences 46:874-876.
Schaeffer, J.S. and F.J. Margraf. 1987. Predation on fish eggs by white perch, Morone americana, in western Lake Erie. Environmental Biology of Fishes 18:77-80.
Hayward, R.S. and F.J. Margraf. 1987. Eutrophication effects on prey size and food available to yellow perch in Lake Erie. Transactions of the American Fisheries Society. 116:210-223. (Finalist for the best paper award for volume 116 of the Transactions.)
Schaeffer, J.S. and F.J. Margraf. 1986. Food of white perch (Morone americana) and potential for competition with yellow perch (Perca flavescens) in Lake Erie. Ohio Journal of Science 86:26-29.
Schaeffer, J.S. and F.J. Margraf. 1986. Population characteristics of the invading white perch (Morone americana) in western Lake Erie. Journal of Great Lakes Research 12:127-131.
Margraf, F.J., D.M. Chase, and K. Strawn. 1985. Intake screens for sampling fish populations: the size-selectivity problem. North American Journal of Fisheries Management 5:210-213.
Knight, R.L., F.J. Margraf, and R.L. Carline. 1984. Piscivory by walleyes and yellow perch in western Lake Erie. Transactions of the American Fisheries Society 113:677-693.
Headrick, M.R. and F.J. Margraf. 1982. Comment on multivariate analysis as a means of comparing growth in fish. Canadian Journal of Fisheries and Aquatic Sciences 39:529-530.
Knight, R.L. and F.J. Margraf. 1982. Estimating stomach fullness in
fishes. North American Journal of Fisheries Management 2:413-414.
SELECTED RECENT PRESENTED PAPERS:
Maio, K.J. and F.J. Margraf. "Quantitative description of temporal and spatial patterns in spawning activity of the horseshoe crab, Limulus polyphemus." The 129th Annual Meeting of the American Fisheries Society. Charlotte, NC. 29 August - 2 September 1999.
Overton, A.S., J. Griffin, and F.J. Margraf. "Foraging habits of adult striped bass, Morone saxatilis, in the Chesapeake Bay." The 13th Annual Meeting of the Tidewater Chapter of the American Fisheries Society. Gloucester Point, VA. March 11-13, 1999.
Maio, K.J., F.J. Margraf, and C.H. Hocutt. "The development of a horseshoe crab sampling protocol to establish a population index in Maryland." The 4th Annual Marine and Estuarine Shallow Water Science and Management Conference. Atlantic City, NJ. 15-19 March 1998. (Best Student Paper Award: First Place).
Margraf, F.J., and J.D. Hedrick. "Dealing with the public in the course of your work." (Invited Paper) The 12th Annual Meeting of the Tidewater Chapter of the American Fisheries Society. Solomons, MD. 19-21 February 1998.
Margraf, F.J., and K.J. Hartman. "The effect of increased striped bass population on its prey in the Chesapeake Bay: a bioenergetics approach." (Invited Paper) Atlantic Striped Bass Workshop and Roundtable Discussion. Baltimore, MD. 18-19 February 1998.
Blanc, T.J., and F.J. Margraf. "Simulated effects of temperature and reservoir enrichments on channel catfish growth and consumption in Mt. Storm Lake, West Virginia." The 126th Annual Meeting of the American Fisheries Society. Dearborn, MI. 26-29 August 1996.
Janowsky, W.J., F.J. Margraf, and W.B. Perry. "A bioenergetics assessment of the potential effects of angler harvest on growth of largemouth bass in a newly impounded reservoir." Northeast Division, American Fisheries Society, Warmwater Workshop: "Managing Black Bass in Northern Waters." Alexandria, NY. 5-6 October 1993.
Margraf, F.J., and W.J. Eckmayer. "Location and time of spawning of Lake Erie white bass." International Symposium on Fish Otolith Research and Application. Hilton Head, SC. 24-27 January 1993.
Millard, M.J., and F.J. Margraf. "Use of backwaters and marginal zones as nursery habitat for larval fishes in the Upper Ohio River." The 122nd Annual Meeting of the American Fisheries Society. Rapid City, SD. 14-17 September 1992.
Hartman, K.J., and F.J. Margraf. "Predatory control of yellow perch recruitment in a large system." The 122nd Annual Meeting of the American Fisheries Society. Rapid City, SD. 14-17 September 1992.
Hayward, R.S., J.F. Hiebert, F.J. Margraf, D.L. Parrish, and B. Vondracek. "Introduction and evaluation of a low-cost approach for estimating fish daily ration." The 52nd Midwest Fish and Wildlife Conference. Minneapolis, MN. 2-5 December 1990.
Knight, C.T., and F.J. Margraf. "Evaluation of lock-rotenoning for sampling
navigable rivers." The 120th Annual Meeting of the American Fisheries Society.
Pittsburgh, PA. 26-30 August 1990.
TEACHING:
Fish Ecology, Ohio State University, Summer 1980, 1981, 1986, and 1992.
Estuarine Ecology, Ohio State University, Summer 1983.
Computer Analysis of Biological Data, Ohio State University, Spring
1982, 1984.
Bioenergetics of Fishes, West Virginia University, Spring 1992.
Conservation Biology, University of Maryland Eastern Shore, Spring
1996.
Quantitative Fisheries Science, University of Alaska Fairbanks, Scheduled
Fall 2000.