A detailed look at the life inside two very different estuaries in Oregon: the South Slough and Tillamook estuaries. [8:04]

Students quickly run down the major aspects of what makes an estuary, watershed, habitat, and food web. [1:45]

Students learn about the importance of zooplankton and phytoplankton, and why different plankton species are the basis of the estuary food web. [3:25]

The estuary stands as the last barrier between the Pacific Ocean and pollution. Its mix of plants and silt acts as a filter that purifies contaminated inland rain and flood waters before they reach the ocean. [3:47]

A quick overview of the Waquoit Bay Estuary, including what an estuary is and what makes this estuary unique. [3:29]

Eelgrass is one of the most important indicator plants in the estuary. Learn about how the health of this plant is often a measure of the health of the ecosystem. Also includes a look at how septic systems impact estuary plants. [7:22]

A look at various types of estuary grasses and the animals that are sheltered in this habitat, plus a look at the methods scientists use to study these grasses. [6:10]

Learn about the Slocum Glider, a cruise missile and designed to explore the ocean for months at a time with no human direction. [3:14]