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Current Invasive Species News:
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Fish Pesticide May Control Unwanted Round Goby (Sep 2, 2008)
U.S. Department of the Interior.
Scientists have discovered that certain chemicals may be useful in slowing the spread of the round goby, an invasive fish species that is threatening parts of the Great Lakes and Mississippi River.
When released near the bottom of a river or lake, two fish pesticides are effective in controlling this bottom-dwelling invader, particularly where dissolved oxygen is low, while leaving native species unharmed.
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Species
Profile -- Cogongrass
USDA. NAL.
National Invasive Species Information Center.
Cogongrass is an invasive weed from Asia that spreads
quickly and disrupts ecosystems, reduces wildlife habitat
and can decrease tree seedling growth and establishment.
Cogongrass is considered one of the 10 worst invasive
plant species in the world and is listed as a federal
noxious weed. Congongrass is believed to have invaded
more than one million acres in Florida, Alabama, Mississippi,
Louisiana, Georgia, and Texas.
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Species Profile -- Light Brown Apple Moth
USDA. NAL.
National Invasive Species Information Center.
The light brown
apple moth, native to Eastern Australia, was first
sighted in California near Berkeley in 2007. State
agriculture officials believe it could have a potentially
devastating impact upon California agriculture. It
has a potential host range of more than 2,000 plant
species, including crop plants such as grapes and
citrus fruit, and trees such as redwoods and oaks.
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Biologist
Getting Rid of Sea Lamprey (Aug
11, 2008)
Fox17 News. Michigan.
Monday, the U.S. Fish and
Wildlife Service put chemicals into the water near
the Croton Dam to kill sea lampreys which are dangerous
to the health of the entire Great Lakes region.
These chemicals could ensure years of good fishing by killing off the sea lamprey.
How
Are Sea Lampreys Controlled?
Great Lakes Fishery Commission. |
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