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What A Week It Was: Apocadocuments from
View By Scenario:
Species Collapse:(8)
Plague/Virus:(1)
Climate Chaos:(6)
Resource Depletion: (4)
Biology Breach:(5)
Recovery:(8)
This Week's Top Ten Very Scary Tags:
ecosystem interrelationships  ~ toxic water  ~ global warming  ~ low-energy future  ~ anthropogenic change  ~ plastic problems  ~ pesticide runoff  ~ technological innovation  ~ rights of nature  ~ toxic buildup  ~ bad policy  



ApocaDocuments (5) matching "ecosystem interrelationships" from this week
[see full week] ~ [see all stories tagged "ecosystem interrelationships"]
Fri, May 22, 2009
from Center for Biological Diversity:
Massive Effort Needed to Save Bat Species From Extinction
The Center for Biological Diversity and 60 other national and regional organizations sent a letter today to members of Congress requesting increased funding for research on white-nose syndrome, a disease that has been devastating bat populations in the eastern United States over the past two years. Scientists are predicting that if current trends continue, several species of bat may be extinct in just a few years. The cause of the illness has not been definitively identified, and no cure is known. Bats are crucial insect eaters and pollinators whose loss could leave devastating gaps in ecosystems and profoundly disrupt the food chain. The letter was signed by scientists, farmers, and conservation, wildlife, sustainable farming, and anti-pesticide organizations. Biologists predict that the widespread loss of insect-eating bats will lead to burgeoning bug populations, including those that attack crops. Increased use of pesticides on farms may result from the bat die-off. ...


We're starting to flap on a wing and a prayer.

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Thu, May 21, 2009
from Globe and Mail (Canada):
Save the birds? Save their habitat
In fact, migratory songbirds are experiencing one of the most precipitous declines of any animal group on earth. We have already seen startling declines in the populations of some species that depend on the boreal forest. The olive-sided flycatcher and the Canada warbler, once common boreal breeding species, are now listed as threatened by the Committee for the Status of Endangered Wildlife in Canada. Trends in long-term breeding-bird surveys have revealed population declines in flycatchers, boreal chickadees and bay-breasted warblers. In fact, more than half the birds profiled in the National Audubon Society's "20 common birds in decline" list depend on Canada's boreal forest as a breeding ground.... Yet despite its global significance, just 12 per cent of Canada's boreal forest is currently protected, while almost 500 million hectares have been handed over to industry. Oil and gas exploration, logging, mining, road building and hydro development threaten to ravage boreal regions inhabited by birds and other wildlife. ...


Saving their habitat seems so... inefficient. Can't we just keep 'em in cages?

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Wed, May 20, 2009
from Globe and Mail (Canada):
Bison turn back the clock on a patch of prairie
Three years ago, 72 pure-blooded animals were introduced to the 181-square-kilometre refuge as part of a Parks Canada initiative to bring large herbivores to an area that hasn't felt bison hooves in more than 120 years. Now, that little herd has become prolific beyond expectations. "I've looked at bison populations across North America during my career and I've never seen a population adapt as well to a system as this one has," said Wes Olson, who oversees the herd for the park.... The landscape is changing in other ways and so is the wildlife. Officials hope endangered and threatened species will one day thrive. Grass is being grazed in lengths ranging from barely picked through to golf-course groomed greens. Songbirds are lining their nests with shed bison fur, an ideal material for protecting fledglings from the cold and rain. The chicken-like sharp-tailed grouse has been dusting itself in buffalo wallows and using short green lawns as leks, or mating areas. Ideally, the endangered greater sage-grouse, known for its elaborate courtship rituals, will follow suit. There's also hope the new landscape will be hospitable to struggling birds, including the Sprague's pipit, long-billed curlew and burrowing owl. ...


I'm dancing (with the wolves)!

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Tue, May 19, 2009
from MIT, via EurekAlert:
MIT: Climate change odds much worse than thought
The most comprehensive modeling yet carried out on the likelihood of how much hotter the Earth's climate will get in this century shows that without rapid and massive action, the problem will be about twice as severe as previously estimated six years ago -- and could be even worse than that.... While the outcomes in the "no policy" projections now look much worse than before, there is less change from previous work in the projected outcomes if strong policies are put in place now to drastically curb greenhouse gas emissions. Without action, "there is significantly more risk than we previously estimated," Prinn says. "This increases the urgency for significant policy action." To illustrate the range of probabilities revealed by the 400 simulations, Prinn and the team produced a "roulette wheel" that reflects the latest relative odds of various levels of temperature rise. The wheel provides a very graphic representation of just how serious the potential climate impacts are. "There's no way the world can or should take these risks," Prinn says. And the odds indicated by this modeling may actually understate the problem, because the model does not fully incorporate other positive feedbacks that can occur, for example, if increased temperatures caused a large-scale melting of permafrost in arctic regions and subsequent release of large quantities of methane, a very potent greenhouse gas. Including that feedback "is just going to make it worse," Prinn says. ...


How can "positive feedbacks" be so danged negative?

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Tue, May 19, 2009
from UPI:
Study predicts worldwide coral catastrophe
An Australian-led World Wild Life study predicts worldwide catastrophic losses of coral by the end of this century due to climate change. The WWF-commissioned study, led by University of Queensland Professor Ove Hoegh-Guldberg, determined coral reefs could disappear entirely from the Coral Triangle region of the Pacific Ocean, thereby threatening the food supply and livelihoods for about 100 million people. Researchers said averting such a catastrophe will depend on quick and effective global action on climate change, as well as implementation of regional solutions to problems of over-fishing and pollution.... ...


Quick and effective global action. That's all.

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