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Environmental Woes of Tierra del Fuego -- Invasive Species

Ranger Pablo Kunzle stands atop a beaver den in a pond along the Río Pipo in Tierra del Fuego National Park. Dead beech trees stand in the flood water. "Every change is good for some and bad for others," he muses. "The ducks that need clear, rapid-running water are suffering. It's good for those ducks that eat algae from dark, still water. They (the beavers) changed the oxygen level of the rivers."

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15BigPond.jpg
Copyright
© Kevin Moloney, 2000
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4605x3052 / 4.8MB
Ranger Pablo Kunzle stands atop a beaver den in a pond along the Río Pipo in Tierra del Fuego National Park. Dead beech trees stand in the flood water. "Every change is good for some and bad for others," he muses. "The ducks that need clear, rapid-running water are suffering. It's good for those ducks that eat algae from dark, still water. They (the beavers) changed the oxygen level of the rivers."