From Eurasia via Buffalo
When humans plumbed upstate New York with 500 miles of canals for shipping, they connected the Great Lakes, the Hudson River and Lake Champlain.
Their goal was to easily move goods. The plan worked—spectacularly at the time. But the builders of the 19th century gave little thought to the bad things that happen when fish and plants move through canals and end up in places they don’t belong.
The answer is damaging invasions—insatiable foreigner fish that crowd out native fish, non-native weeds that cover acres of water, and colonizing mollusks that cling to concrete and clog pipes.
Now, long after trains and trucks took business away from barges, officials are turning their attention to stopping invasive species, perhaps
