tagged w/ ecol
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The 21st Century begins as the Age of Drought as water is increasingly viewed as a precious commodity.
Vanguard takes a look at three places--Florida, China, and Nevada--that are quickly going dry.
Vanguard Presents:
World Without Water
Wednesdays
10/9cThe 21st Century begins as the Age of Drought as water is increasingly viewed as a... more
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The forest floor of primary tropical rainforest is rarely the thick, tangled jungle of movies and adventure stories. It is actually quite the opposite: the floor is relatively clear of vegetation due to the deep darkness created by perhaps 100 feet (30 m) of canopy vegetation above. The canopy not only blocks out sunlight, but damps wind and rain. A visitor to the rainforest during a rainstorm will usually not immediately feel falling rain because so much is deflected and collected by various canopy plants. The blocking of wind by the canopy makes the forest floor a calm place where only the slightest breeze blows during tropical thunderstorms. When hiking in primary tropical rainforest a flashlight may be more useful than a machete since the subdued lighting limits ground growth. Instead of choking vegetation, a visitor will find large tree trunks, interspersed hanging vines and lianas, and countless seedlings and saplings and a relatively small number of ground plants. The forest floor of primary tropical rainforest is rarely the thick, tangled jungle of... more
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bmltv
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added this
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3 years ago
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