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John Ewart

Aquaculture Specialist
E-mail: ewart@udel.edu
Phone: 302-645-4060
Fax: 302-645-4007

Delaware Aquaculture Resource Center
University of Delaware Sea Grant
Marine Advisory Service
700 Pilottown Road
Lewes, DE 19958-1298

 

Image of John Ewart

Aquaculture specialist John Ewart experiments with the use of a lantern net in an oyster grow-out project.


Education

  • 1985: M.S., Marine Studies, University of Delaware, Lewes, DE
  • 1973: B.S., Zoology, University of Rhode Island, Kingston, RI

Research Interests

Shellfish and finfish aquaculture, aquatic production systems, fisheries and marine resource development, technology transfer and training, information organization and retrieval, Internet resources.

Current Projects

  • Delaware Aquaculture Resource Center
  • National Sea Grant College Program's Network of Aquaculture Information Services (NAIS)
  • Development of a Policy Framework for Aquaculture in the U.S. Exclusive Economic Zone (EEZ)
  • Shellfish culture/stock enhancement field demonstration work in Delaware's Inland Bays.
  • Assisting the Delaware Aquaculture Association and state agencies with development of aquaculture regulations and legislation
  • Coordinator, WAS Employment Service, World Aquaculture Society

Committee Assignments

  • National Extension Advisory Committee, Aquaculture Network Information Center (AquaNIC)
  • National Advisory Committee, Aquaculture Network Information Center (AquaNIC)
  • Electronic Networking Committee, World Aquaculture Society (WAS)
  • Technical Industry Advisory Council (TIAC), Northeastern Regional Aquaculture Center, University of Massachusetts, Dartmouth
  • Vice-President, 1999–2000: Board of Directors 2002, United States Aquaculrure Society (USAS)
  • Technical Sub-Group (Molluscs) Aquaculture Effluents Task Force, Joint Sub-Committee on Aquaculture, USDA

Selected Publications

Ewart, J. W. 2001. A Policy Framework for Offshore Marine Aquaculture in the 3-200 Mile U.S. Ocean Zone. Newark, DE: University of Delaware Center for the Study of Marine Policy. 152 pp. (With B. Cicin-Sain, R. Knecht, S. Bunsick, T. Eichenberg, R. DeVoe, R. Rheault and H. Halvorson).

Ewart, J. W., and D. Webster, eds. 2000. Proceedings of EAST COAST LIVE! 2000 The Business of Marketing Live Aquatic Products. Annapolis, Maryland. November 1–4. 120 pp.

Ewart, J. W. 1999. Regional Extension Activities Sponsored by the Northeastern Regional Aquaculture Center. Proceedings of the National Wildlife, Fisheries, and Aquaculture Extension Conference. Portland, Maine. September 29–October 2. 5 p.

Ewart, J. W. 1998. A global perspective: An East Coast view of the live aquatics industry. In Proceedings of the East Coast Live Fish Conference — a Sea of Opportunities, eds. C. Rogerson and C. McKenna. Nova Scotia Department of Fisheries and Aquaculture, Halifax, Nova Scotia, Canada. pp. 5–12.

Ewart, J. W. 1997. Live shipping of aquatic products in the Northeastern Region: An overview. In Proceedings of the International Conference on the Marketing & Shipping and Live Aquatic Products - '96, eds. J. B. Peters and B. Paust, pp. 252–257. Northeast Regional Agricultural Engineering Service. NRAES-107.

Carriker, M. R., C. P. Swann, J. W. Ewart, and C. L. Counts III. 1996. Ontogenetic trends of elements (Na to Sr) in prismatic shell of living Crassostrea virginica (Gmelin) grown in three ecologically dissimilar habitats for 28 weeks: A proton probe study. J. Exp. Mar. Biol. Ecol. 201(nos. 1–2): 87–135.

Ewart, J. W., J. Hankins, and D. Bullock. 1995. State Policies for Aquaculture Effluents and Solid Wastes in the Northeast Region. Northeastern Regional Aquaculture Center Extension Bulletin Number 300. 24 pp.

Ewart, J. W., and S. E. Ford. 1993. History and Impact of MSX and Dermo Disease on Oyster Stocks in the Northeast Region. Northeastern Regional Aquaculture Center Extension Publication No. 200. 8 pp.

Allen, S. K., P. M. Gaffney, and J. W. Ewart. 1993. Genetic Improvement of the Eastern Oyster for Growth and Disease Resistance in the Northeast. Northeastern Regional Aquaculture Center Extension Publication No. 210. 8 pp.

Ewart, J. W. 1992. Managing the information crunch through the use of an aquaculture resource center. In Proceedings of the National Extension Aquaculture Workshop, pp. 21–24. Arkansas State 4-H Center, Ferndale, Arkansas, March 3–7.

Ewart, J. W., and J. Farrell. 1991. Delaware Aquaculture Resource Guide. Aquaculture Information Series. Sea Grant Marine Advisory Service/Delaware Department of Agriculture. 8 pp.

Ewart, J. W. 1991. Aquaculture in Delaware: Potential and Future Prospects. Aquaculture Information Series. Newark, DE: University of Delaware, Sea Grant College Program. 6 pp.

Ewart, J. W., B. Petrosky, and R. Taylor. 1990. Research and technology report and recommendations. In Delaware Aquaculture Task Force Final Report, ed. W. Sammons, pp. 30–52. Dover, DE: Delaware Department of Agriculture.

 

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