Phytoplankton dynamics and the role of Heterosigma akashiwo in promoting blooms of the toxic dinoflagellate, Dinophysis acuminata

Invesitgators: Kathy Coyne and Tye Pettay

Dinophysis acuminata is a toxic microalgae found in Delaware’s Inland Bays that can bloom to concentrations that are harmful to fish and other wildlife and may pose a threat to shellfish aquaculture in the bays. Little is known about the...Read more

A risk assessment analysis of microplastics in Delaware Bay: Physical controls and biological effects of an emerging pollution issue

Investigators: Tobias Kukulka and Jon Cohen

Plastic marine debris, particularly in the form of microplastics less than 5 millimeters in size, is an emerging pollutant of concern both in the Delaware estuary and around the globe. Microplastic debris can present serious hazards to...Read more

Morphology and Tidal Inundation of Tidal Wetlands in the Delaware Estuary

Investigators: Tom McKenna, Naomi Bates, and John Callahan

An expanse of tidal wetlands fringes the Delaware Estuary and provides Delaware, Pennsylvania, and New Jersey with ecosystem services such as preserving water quality, mitigating flood hazards,...Read more

Conservation and Recovery of Atlantic Sturgeons in the Delaware River Estuary

Investigators: John Madsen and Dewayne Fox

At the start of the 20th century, the Delaware River supported the world’s largest caviar fishery dependent upon Atlantic Sturgeon (Acipenser oxyrinchus oxyrinchus). From a historic population numbering approximately 360,000 spawning...Read more

Implementing a subgrid scheme for improving marsh inundation estimates in the community model FVCOM

Investigators: James Kirby and Fengyan Shi

Resource managers often rely on computer simulation models to predict the response of ecosystems such as marshes to changing conditions. These complex computer models are able to simulate the flow of water from Delaware Bay, through tributaries...Read more

Hydrodynamics and Beach Morphology During Extreme Events

Investigator: Jack Puleo

Beaches provide not only recreation and leisure opportunities, but play an important role in protecting communities during intense storm events. At the same time, storms can dramatically alter the shape, extent, and height of beaches by moving sand along-shore and...Read more

Physical Dynamics of a Tidal Wetland Restoration Site: Prime Hook National Wildlife Refuge

Investigators: Chris Sommerfield and Carlos Moffat

The Prime Hook National Wildlife Refuge is undertaking a $38 million restoration project to return the 10,000-acre area to a naturally functioning tidal marsh and barrier beach capable of harboring migrating birds while preventing coastal...Read more

Delaware Sea Grant’s Annual Report Informs Community About Latest Efforts

Science fuels innovation, and innovation fuels the economy. Recognizing this fundamental connection, Delaware Sea Grant (DESG) has promoted the wise use, conservation and management of coastal and ocean resources since 1976 by supporting scientific research with real-world benefits. DESG uses...Read more

Coast Day 2017

Coast Day returns Oct. 1 with ‘Discoveries on land, in the air and at sea’

Coast Day returns to University of Delaware’s Hugh R. Sharp Campus in Lewes on Sunday, Oct. 1.

The event, scheduled from 11 a.m.-5 p.m., attracts thousands of attendees from Delaware...Read more

Delaware Sea Grant Fact Sheet

Curious about the impact Delaware Sea Grant has on the state? This one-page (front and back) fact sheet features a brief summary of benefits to residents, tourists, students and researchers, as well as information on the economic and societal support the program provides. Download the fact sheet...Read more