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What A Week It Was: Apocadocuments from
View By Scenario:
Species Collapse:(9)
Plague/Virus:(2)
Climate Chaos:(2)
Resource Depletion: (5)
Biology Breach:(8)
Recovery:(6)
This Week's Top Ten Very Scary Tags:
ecosystem interrelationships  ~ invasive species  ~ toxic buildup  ~ toxic water  ~ governmental idiocy  ~ water issues  ~ pandemic  ~ bird collapse  ~ pesticide runoff  ~ rain forest depletion  ~ pharmwater  



ApocaDocuments (3) matching "invasive species" from this week
[see full week] ~ [see all stories tagged "invasive species"]
Sat, Mar 8, 2008
from The Independent:
Invasion of the giant oysters
"The Pacific oyster was introduced to European coasts in the 1970s from Japan and British Columbia following the virtual collapse of the Continent's native oyster industry. The Pacific oyster was not introduced to Sylt, which boasted a formidable pre-war oyster industry, until 1986, and then only as a product that would be carefully farmed in an environment controlled partly by man....In 1995 the feral Pacific oyster population was about one oyster per square metre of tidal sand flat on Sylt. By 2004 the figure had leapt to nearly 500 per square metre. By 2007 the island's feral Pacific oyster count jumped to a staggering 2,000 per square metre. "What we are now experiencing is exponential growth of the wild oyster population," says Dr Reise. "We don't yet know where the process will end." ...


If only these giant oysters contained giant pearls

ApocaDoc
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Tue, Mar 4, 2008
from PhysOrg.com:
Eastern Hemlock on the ropes from invasive species
"Eastern hemlock (Tsuga canadensis) is an aesthetically and ecologically important species of tree found from eastern Canada to the Great Lakes states and south along the entire Appalachian mountain range. Since the hemlock tends to grow alongside streams, it plays an important role in regulating water temperature, and its loss could affect the many species of fish and insect life that inhabit mountain streams. The tree is threatened by the prolific spread of an exotic insect known as the hemlock wooly adelgid (Adelges tsugae), which kills the trees in as few as four years. In the past decade, the hemlock wooly adelgid has infested more than 50 percent of the eastern portion of the hemlock's range, and the number is expected to grow because the adelgid, an introduced species from Asia, has no natural predators in North America." ...


"Where have all the hemlocks gone?"
Gone to heaven, every one...

ApocaDoc
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Tue, Mar 4, 2008
from BBC (UK):
Loch Ken in crisis over crayfish
"A warning has been issued of a "looming" crisis on a Scottish loch due to the advance of a major predator. American signal crayfish, which can eat young fish and destroy their habitat, have been found in increasing numbers at Loch Ken in Dumfries and Galloway. Bob Williams of the Glenkens Business Association said the problem was having a "major impact" on trade in the area." ...


It's also having a "major impact" on Loch Ken's internal ecosystem... but I guess it only matters if Euros are involved.

ApocaDoc
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