Word: ecosystems
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Dates: during 2000-2009
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...helping to lead many different processes to address the problems of global poverty, changes in the earth’s environment and risks to the ecosystem,” he said. “The Earth Institute is dealing with these on a daily basis...
DIED. FRANK CRAIGHEAD, 84, renowned grizzly-bear researcher; in Jackson, Wyo. At a time when bears were thought to be nothing but trouble, Craighead and his brother John followed the animals around Yellowstone National Park for a dozen years, showing in the process their importance in the ecosystem. The Craigheads' work inspired a generation of biologists and conservationists...
...chemistry at volcanic sites ranging from 300 years to 4.1 million years old. Plants at the youngest sites drew nutrients straight from weathering lava. Those at older, more depleted sites survived on minerals blown in on sea spray and in dust from central Asia, thousands of miles away. "No ecosystem is entirely isolated," he says...
...realized that 2,000 miles away, in Washington, a series of decisions were being made that could threaten the Yellowstone ecosystem. The previous evening the Interior Department had announced it was blocking a plan to reintroduce grizzly bears to the Bitterroot Wilderness area in Idaho and Montana, northwest of Yellowstone, even though biologists say that such a reintroduction is ultimately necessary to maintain the genetic diversity of the bears in the park. The following week, Interior announced it was thinking about lifting a ban on snowmobiles in Yellowstone that had been agreed upon last year. At the same time...
...Everybody gets sick on Everest. It's called the Khumbu Krud, brought on by a combination of high altitude, dirty food, fetid water, intestinal parasites and an utterly alien ecosystem. On Erik's team, at any given moment, half the climbers were running fevers, the others were nauseated, and they all suffered from one form or another of dysentery, an awkward ailment when there's a driving snowstorm and it's 30 below outside the tent. You relieve yourself however you can, in the vestibule of your tent or in a plastic bag. "It can be a little bit gross...