Learn about the culture, history, and ecology of the Chesapeake Bay estuary. Follow activities of the Bay through time to learn how it has been an important part of our country's past and present times. Also find out why it is important...

After learning about the role of oysters in an estuary ecosystem and a population decline that oysters have faced over time from overharvesting and pollution, students work with data to determine where are ideal sites for restoring...

After learning about the role of oysters in an estuary ecosystem and a population decline that oysters have faced over time from overharvesting and pollution, learners work with data to determine where are ideal sites for restoring...

In this self-directed activity, students use data from the Chesapeake Bay estuary to determine suitable sites for oyster reef restoration. A handout with everything the student needs to complete this activity is available as a PDF or...

Article summarizes the dstinguishing features of the Puget Sound, an estuary located in the state of Washington, and makes the case for its preservation.

A map of the area around Liverpool, England in 1919, showing the estuaries of the River Mersey and River Dee on the Irish Sea, including major cities, towns, ports, railways, canals, and terrain of the area. This map shows the cities of...

Listing of various fact sheets created and published through the Long Island Sound Study. Topics include How Low Dissolved Oxygen Conditions Affect Marine Life in LI, Impact of Atmospheric Nitrogen Deposition on Long Island Sound, Sound...

Learn facts about this important and diverse ecosystem in America's Pacific Northwest.

The Cape Fear Estuary drains the largest watershed in North Carolina, containing 27% of the State's population. The Cape Fear River itself (about 320 km or 200 miles in length) is formed in the Piedmont by the confluence of the Haw and...

An experiment to test what happens when ocean water hits a freshwater estuary. Each step is demonstrated with photographs and the difference between salinity and density is explained.

Explore saltwater ecosystems around Earth. Learn about oceans, estuaries, shores, and more.

Take a closer look at the Chesapeake Bay, one of the world's largest active estuaries. Find out about the local people, wildlife, and what is threatening the area.

Describes the characteristics of the marine biome, the plants and animals that live in each of the four ocean zones, coral reefs and estuaries, the climate of the marine biome, and the marine food web.

An image of "Estuary Scene", created by Simon De Vlieger during the 1620's (Oil on panel, 36 x 53 cm).

An image of "Landscape with Estuary", created by Cornelis Hendricksz the Younger Vroom, c. 1638 (Oil on panel, 50 x 67 cm).

An image of "Estuary Scene", created by Gillis I Peetersz (Oil on canvas, 117 x 200 cm.).

An image of "Breezy Estuary Scene", created by Bonaventura I Peetersz (Oil on oak panel, 23 x 29 cm).

An image of "Estuary Landscape by Moonlight", created by Aert Van Der Neerz (Oil on panel, 63 x 76 cm).

Explore the habitats found where the Everglades run into the sea. A wonderful resource for learning about a unique part of the world.

Build a mangrove ecosystem by adding appropriate plants and animals, and by keeping the ecosystem in balance. Be sure every species has enough to eat to survive.

An image of "An Estuary Scene", created by Simon De Vlieger from 1641-45 (Oil on oak panel, 41 x 54 cm).

An image of "An Estuary Scene", created by Jan Van Goyen from 1652-54 (Oil on panel, 53 x 73 cm).

Journal entry tells about the exploration by the expedition of the north bank of the Columbia River estuary from the Cascades to the Pacific Coast.

In this resource, students can meet the modern-day watermen of the Chesapeake Bay region. Find out about their day-to-day struggles with living and working within the nation's largest estuary system.