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Preserving the Rain Forest
Humans came out of the African forest, and continue to live in equilibrium with the tropical forest in Africa, Brazil, and elsewhere-hunting, fishing, collecting plants. Trouble only begins when humans begin to cultivate plants in the forest, cutting...(more details) |
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Coastlines
They appear like permanent lines on maps, but coastlines are in constant flux, eaten away by erosion and extended by deposits of sand and stone carried by water. This program looks at the vegetation that is gradually established; at the continental s...(more details) |
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Wetlands and Pinelands
This program is devoted to a study of wetland ecosystems, from the Pine Barrens of New Jersey to areas of Mexico and Belize, where government regulation and environmental planning are recognizing the role of humans in the ecosystem-demonstrating that...(more details) |
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Life in Arid and Semi-Arid Lands
This program explains what a desert is, why it occurs, what kinds of plant and animal life it sustains, and how that life is adapted to-or adapts to-the lack of water. The primary focus is on the effects of growing populations in arid or semi-arid re...(more details) |
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The Desert as Laboratory
This program looks at two deserts that are being used as research models in an effort to understand the role of humans in the desert ecosystem. In the Mapimi in northern Mexico, scientists are studying the best methods of irrigation, the disposition ...(more details) |
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