Estuarine Populations: Links for Students

Eastern Oyster

People have long valued the eastern oyster as an important food source, and many consider it a delicacy. These voracious filter feeders perform functions that are vital to the Chesapeake Bay’s ecosystem.

Features: Online Interactivity, Graphics/Multimedia, Data Sources

Guide to Underwater Grasses

Underwater grasses are important to the health of Chesapeake Bay. They provide food and shelter, remove nutrient and sediment pollution, and reduce wave energy and erosion. This guide provides a quick reference to the most common underwater grasses.

Features: Graphics/Multimedia

Bay Grasses General Information

Bay grasses are a very important part of the Chesapeake Bay's ecosystem. Learn about factors affecting their growth as well as coverage and habitat status.

Features: Graphics/Multimedia, Data Sources

Endangered! American Crocodile

The American crocodile lives in the Florida Everglades and is listed as an endangered specie. Learn more about this unique animal.

Features: A Bit of History

The Horseshoe Crab

Learn everything you ever wanted to know about horseshoe crabs, from anatomy to medical uses to conservation. There is also information on their natural history and evolution.

Features: Graphics/Multimedia, A Bit of History, Misconceptions

Horseshoe Crab

Horseshoe crabs are among the world's oldest and most fascinating creatures. This comprehensive site answers almost any question you might have about them, from anatomy to biomedical research to dependence on shorebirds.

Features: Graphics/Multimedia, Assessment, A Bit of History


Find information about the different types of clams that live off the coast of Massachusetts on this page.

Features: Graphics/Multimedia

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