Date: Tue, 21 Aug 2001 16:19:05 -0500 (CDT)

Author: Paul Nord

Subject: Re: 5 questions



No, really. It's impossible to say if this change is good or not.
Obviously, the environment is finding a new balance point now that the
Zebra Muscles have barged in. But as it continues to find that point,
there may be chaotic changes. We really don't know.

The people making the biggest fuss about this are the power companies that
draw cooling water from the lakes. Their intakes keep getting plugged
with the silly things. But now they periodically flush boiling water out
the intakes to kill off anything that has taken hold. A simple enough

Personally, I like the new color. So, in that respect, it is good for


On Tue, 21 Aug 2001, Tim O'Donnell wrote:

> > If you've visited any of the Great Lakes in the last couple
> > of years, you may have noticed the effect of our Zebra
> > Muscle infestation. Basically, these little clams are
> > filtering all of the particles out of the water. They're
> > getting strong doses of some of the crud we've put in there,
> > but they are also clearing up the water - a lot! Stop by
> > any of the Great Lakes and you'll see that they're now the
> > bright azure blue one normally associates with tropical
> > waters. We've got plant growth at deeper depths. Birds are
> > changing their migration patterns so that they can stop by
> > to feed on the Zebra Muscles.
> >
> > Your next question should be to ask weather this is good for
> > the ecology. No one really knows. We are powerless to do
> > anything about it, of course.
> It is good for the ecology - it might be bad in the long term
> for humans.