Monthly Archives: August 2015

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MacDill Air Force Base Tampa Bay, FL

This photo says it all.   By placing the Reef Balls along the shoreline to create an oyster reef,  the shoreline was protected and the marsh grasses are now stabilizing the shore and province a great place for carbon sequestration.   Not to mention the EFH, and all other crustaceans  doing their part to improve the Gulf of Mexico.

Photo retrieved from SHARP, Oyster Reef Shoreline Restoration and Stabilization, MacDill AFB, FL  http://southeastaquatics.net/projects/habitat-projects-2007/oyster-reef-for-shoreline-stabilization

Another New York Project using Reef Balls

Restoring the Reefs
Oyster Restoration in the Hudson

June 26, 2015 |

Oyster reefs were once a predominant feature of the Hudson River, supporting vast and diverse communities of aquatic life. But past decades of pollution and overharvesting led to a decline in oyster populations in the area to near-extinction. In recent years, however, there have been promising signs of recovery.

Oysters serve important ecological functions in delicately balanced aquatic ecosystems by filtering small particles from the water. Their reefs also serve as shelter for other marine creatures. Oyster reefs once covered more than 220,000 acres of the Hudson River estuary, but their near-total decline in the lower section of the river has reduced water quality and protective habitat for other animals.

To help speed the oyster’s return, the New York State Thruway Authority is partnering with a group of scientists and oyster restoration experts including the Hudson River Foundation, the University of New Hampshire and the NY Harbor Foundation’s Billion Oyster Project to conduct a pilot study of potential oyster restoration methods and materials. Two different habitats are being studied: 400-pound metal cages, called gabions, filled with empty oyster shells; and 200- and 300-pound concrete “reef balls” in. The gabions and reef balls provide hard, three-dimensional surfaces that are intended to attract oyster larvae, support oyster growth and promote overall oyster survival.

The study was developed by a working group that also includes Riverkeeper, Scenic Hudson, NY/NJ Baykeeper, Cornell University, National Oceanic and Atmospheric Administration, Federal Highway Administration and the New York State Department of Environmental Conservation. As part of the New NY Bridge project’s environmental stewardship commitments, the Thruway Authority has established an oyster working group (OWG) to help lead the restoration effort.

The OWG hopes that the results of this two-year pilot study will allow it to take a smarter approach to oyster restoration. Following the pilot study, a full-scale oyster restoration effort will be launched to establish new hard-bottom oyster habitats in the river using the methods that prove most successful in enabling oysters to flourish.

The installation of the test materials was aided by students from the New York Harbor School, part of the project’s ongoing effort to inform and involve the next generation of environmental stewards.

Learn more about the project’s environmental mitigation efforts in the Hudson River, including sturgeon monitoring conservation efforts.