John W. Ewart

Aquaculture & Fisheries Specialist
Delaware Aquaculture Resource Center
Sea Grant Marine Advisory Program

University of Delaware

College of College of Earth, Ocean, and Environment
University of Delaware
Lewes, DE 19958

Phone: (302) 645-4060
Fax: (302) 645-4213

  • M.S. Marine Studies, University of Delaware, 1985
    B.S. Zoology, University of Rhode Island, 1973

Research Overview:

Mr. Ewart’s current field based research involves stock enhancement and restoration of bivalve suspension feeding shellfish (oyster and hard clam) populations for habitat creation/improvement and other beneficial ecological services (estuarine water quality improvement, benthic-pelagic coupling; nutrient cycling and sediment geochemistry). Other interests include shellfish and fin fish aquaculture; aquatic production systems/live transport; commercial and recreational fisheries; water quality management; technology transfer and training; aquaculture policy; public education and Information Technologies.