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Bullfrog Films

610-779-8226; 800-543-3764; P.O. Box 149 Oley, PA 19547
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Bullfrog Films

is a leading source of educational DVDs & videos, with a collection of over 700 titles in these main subject areas:

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Secrets of the Salt Marsh

An overview of salt marsh ecology.

A printer-friendly version of this page 20 minutes
Produced by Natural Art Films for The Wetlands Institute

A general overview of salt marsh ecology is captured here beautifully with crisp aerial, underwater and time lapse photography.

To most people it looks like dead grass and mud, but the salt marsh is one of the most productive ecosystems on Earth, teeming with life, from the microscopic plankton to the grand snowy egret. Marshes protect the mainland from flooding, filter sediment and some pollutants from the water, and are home to many species of fish, shellfish and birds.

Seasonal changes in the plant and animal community highlight the immeasurable value of this habitat. Migrating birds use the marsh area as a resting and breeding stopover point on the way to tropical winter homes. And that classic of biology study, the food chain, is seen in action among the diverse life forms of the salt marsh, including grass shrimp and fiddler crabs, and terrapin turtles.

Grade Level: Grades 7-12, College, Adult
US Release Date: 1994     Copyright Date: 1992
DVD ISBN: 1-59458-512-1     VHS ISBN: 1-56029-566-X

"An informative, well-produced, and engaging presentation...a good introduction to the topic for general library collections and schools."
Video Librarian

"Aptly portraying the rich interrelatedness of life-forms, the seasonal activities, and the fragile qualities of the salt marsh, this nicely filmed program provides a close-up investigation."

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Secrets of the Salt Marsh

"An informative, well-produced, and engaging presentation." Video Librarian

Study guide

Awards and Festivals
CINE Golden Eagle
Merit Awards, International Wildlife Film Festival

Life Science
Marine Biology
Oceans and Coasts

Related Titles

A close-up look at wetlands ecology.

The Crabs, The Birds, The Bay
Migrating shorebirds feast on horseshoe crab eggs in Delaware Bay.

Creatures of the Sun
The ecology of the painted turtle.

The Wasting of a Wetland
The destruction of the Florida Everglades.

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