Do you have a question about the Chesapeake Bay? Explore our list of frequently asked questions to learn more about the Bay and its watershed, habitats and wildlife. You can browse the FAQ by category, or explore the answers to some of our most common questions below.
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A number of factors have contributed to the decline in the Chesapeake Bay’s oyster population, including over-harvesting, disease (like MSX and Dermo), sedimentation and poor water quality.
Oysters prefer brackish and salty water. A salinity range between 10-28 parts per thousand (ppt) provides the best conditions for oysters. Oysters can die if salinity drops below 5 ppt for extended periods of time.
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