The 2004 Chesapeake Bay Oyster Management Plan adopted pursuant to Natural Resources Article, §4-215, Annotated Code of Maryland and Code of Maryland Regulations (COMAR) 08.02.01A directs the department to establish oyster sanctuaries under Strategy 4.2. The authority of the department to establish and regulate opening and closing of Harvest Reserves as a fisheries management tool exists under Natural Resources Article §4-1009.1 of the Maryland Annotated Code and COMAR 08.02.04.14.
Following recommendations put forth in the Oyster Advisory Commission's 2008 Legislative Report and a comprehensive Federal/State Programmatic Environmental Impact Statement for Oyster Restoration in Chesapeake Bay completed in June 2009, The governor announced Maryland's Oyster Restoration and Aquaculture Development Plan in December of 2009. One objective of this plan was to expand the oyster sanctuary network from 9% to 25% (~9,000 acres) of remaining oyster bar habitat over a broad geographical distribution. Within this enlarged sanctuary network, a number of large areas were selected (up to entire river systems) in strategically located areas for targeted restoration.
Prior to 2009, Maryland's oyster sanctuaries covered only 1,475 acres of bottom habitat. Individually, the sanctuaries were sparsely distributed and small making them difficult to enforce against illegal poaching and relatively ineffective as restoration tools. In 2009, the department added three new oyster sanctuaries that more than doubled the percentage of protected area yet still protected only 2,581 acres (9%) of geographically dispersed oyster habitat. The remainder of Maryland's portion of the Bay, exclusive of private lease areas, was left open to public shellfish harvesting.
The newest sanctuary areas established in September 2010 were specifically targeted to:
It is anticipated that both recreational and commercial fishing will benefit from improved oyster bar habitat in sanctuaries because oyster bar habitat provides critical habitat to blue crabs, striped bass, white perch and other important finfish species. Oysters within sanctuaries are also expected to increase the abundance of adult oysters whose larvae are expected to settle not only within the sanctuary, but also on public shellfish fishery areas in the vicinity of the sanctuaries.
Here is a complete list of Maryland's current oyster sanctuaries, listed by region and inclusive of coordinates, and as shown on the map above.
As a result of the dramatically expanded sanctuary network, sanctuaries no longer solely consist of natural oyster bars. Instead, the expanded sanctuary network includes additional non-oyster bottom that surrounds the larger areas of interconnected natural oyster bars. The 2010 legislation also modified Strategy 4.2 of the Oyster Management Plan to allow clamming from within the new sanctuary boundaries. The plan limits clamming to existing clamming areas, and maintains the existing 150 foot buffer from any natural oyster bar and leased area. The prohibition of all wild shellfish harvest, including clamming, is maintained for previously established sanctuaries.
shellfish aquaculture operations provide many of the same benefits that natural
oyster bars provide, current law allows the Department to issue aquaculture
leases in oyster sanctuaries. No more
than 10% of a sanctuary may be leased for aquaculture, and leases must be at
least 150 feet from a Yates Bar. Details may be found in
COMAR Statute §4–11A–06 and
Note: Other portions of Maryland's oyster harvesting waters may be periodically closed to harvest due to contamination, or high potential for contamination, by fecal coliform bacteria in accordance with the Maryland Department of the Environment (MDE) classification status of oyster and clam harvesting waters. The MDE Shellfish Harvesting and Closure Area Maps can be viewed here.
Frequently Asked Questions (FAQs) About Sanctuaries
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