Higher river flows in the spring push back the ocean's salty influence; in autumn, drier weather diminishes river flow and the ocean marches up the estuary. The habitats and migration patterns of many Bay creatures, including Blue crabs, oysters, and striped bass, rely on this cycle of change.
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Spring and Fall Salinity Levels
Spring and Fall Salinity Levels
What You Can Do
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Attend
Clagett Farm Spring Open House
Visit our baby lambs and calves, enjoy the farm, bring a picnic.
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Attend
Bay Discovery Trips
Join us for fishing, a canoe paddle, or maybe a ride on our skipjack. Check the current schedule.
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Listen
24 Apr 2018Clean Water Grows on Trees
Announcing a new partnership to improve water quality in Pennsylvania and the Bay.
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Volunteer
Clean the Bay Day
Each year, on the first Saturday of June, thousands of Virginians simultaneously descend on the rivers, streams, and beaches of the Chesapeake Bay watershed to remove harmful litter and debris. Join us!
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Take Action
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Volunteer
Maryland Restoration Events
Help us restore forested streamside buffers.
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Volunteer
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Take Action
Stand with Student Leaders Restoring Our Waters!
Sign our pledge today to say thank you to students and who are protecting and restoring clean water for future generations.
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Get Involved
Oyster Shells Needed
Calling all restaurants and oyster lovers--If you serve oysters or enjoy them this season we want to recycle your shells.