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Last updated 9:19PM ET
March 5, 2021
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Great Lakes Report
(2007-06-12)
(wgvu) - A joint U-S-Canadian report says the health of
the Great Lakes ecosystem is improving in some ways.
But it says that population growth, climate change and invasive
species continue to raise troubling concerns about the future of
the waters.
The report says more than 300 invasive or non-native species now
thrive in the Great Lakes basin.
It says their destructive and parasitic behaviors are difficult
to contain.
Some invasive species traveled to the Great Lakes basin in the
ballast water of cargo ships.
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