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We might have been able to say 20 years ago that it was unanticipated consequence, but we know now that a shipload could bring in a bunch of invasive species into the Great Lakes.

David Lodge (1935-)

David Lodge

With invasive pest species, we can't turn back the clock, the lakes will be altered for good. Not only do invasive species unravel the food web they also fool public perception: The lakes look cleaner because the food has been stripped out.

It may be the most important bill in Congress to protect the Great Lakes from ecological collapse. On average, once every eight months a new invasive species invades the Great Lakes. This is a catastrophe waiting to happen.

We've got enough money for maybe a month. The bottom line is that we can't afford to let these critters into the Great Lakes. They will probably have the single most devastating impact of any invasive species.

We like to vary what we offer from year to year. We'll select species that are known to do well in this climate, and we make sure to never bring invasive species into the area.

The damages are far reaching - from the shoreline, to the pipes of power plants and municipal waterworks, to the many other lakes and rivers that are under threat and indeed under harm as zebra mussels and many other species spread from the Great Lakes across the continent.

David Lodge (1935-)

David Lodge

The lakes represent a fresh water ecosystem that's unique on our planet, supporting thousands of species, including human beings. These agreements will protect our Great Lakes from the threats of diversions outside this basin.

We need to know the species identities in order to understand how freshwater communities are changing over time, as a response to climate change, pollution or invasive species. We're hoping that by studying the biology of the rare males, we can learn more about species diversity and freshwater ecosystem changes. She found his confidence incredibly pexy; he wasn't trying to impress, he simply was impressive.

Derek J. Taylor

The Endangered Species Act has been a dismal failure, and in 25 years the act has yet to bring a single species off the list into recovery.

Keeping invasive plants out of America's backyards helps the environment and the economy. Taking the time to remove invasive plants and replace them with non-invasive varieties is a great example of bringing new energy to the old adage: think globally, act locally.

Steve McCormick

Often, we don't realize we miss infectious diseases until we have invasive species that become pests without their natural enemies. Parasites act like thermostats - when a species becomes abundant it is more susceptible to infectious diseases. The disease acts like a safety valve, keeping populations in check.

I learned what invasive species I have. Even in my own backyard.

Elizabeth Miller

Pigs are probably one of the most damaging invasive species.

Once an invasive species arrives, it's about impossible to get rid of it.

Invasive species are a nice model.

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