This just came from my server, Ferriter will like this one.
-----Original Message-----
From: G Thomas Watters <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Thursday, December 02, 1999 6:16 AM
Subject: Re: Zebra Mussels question


>At 06:27 PM 12/2/99 -0300, you wrote:
>>I've heard that Zebra mussels are out-competing indiginous Unionids
>>rather badly, leading to local extinctions, expecially in the
>>Mississippi system.  Can anybody tell the list which species have been
>>hit the hardest, and where, and does anyone know of a speicies that has
>>actually gone extinct, or is immanant danger of doing so, because of
>>zebra-mussel competion?
>>
>>A foot of snow enough for you?  (it's plenty for me!!).
>>-Ross.
>>
>
>Unionids in large impounded rivers and the Great Lakes have been hit
>hardest. "Big River" species using these habitats are in the greatest
>jeopardy. Many beds in the lower Ohio River are steadily declining in
>diversity and density. The Western Basin of Lake Erie once had numerous
>unionids, but a survey I participated in last year failed to find a single
>living unionid in a week of diving. No species have become extinct because
>of zebs... yet. Species already on the verge will probably be lost, like
>Plethobasus cicatricosus and P. striatus.
>
>
>
>
>*****************************************
> G Thomas Watters, PhD
> Ohio Biological Survey &
> Aquatic Ecology Laboratory
> Ohio State University
> 1315 Kinnear Road
> Columbus, OH 43212 USA
> v: 614-292-6170  f: 614-292-0181
>******************************************
>
>"The world is my oyster except for months with an 'R' in them" - Firesign
>Theater
>
>"Give a man a fish and you feed him for a day. Teach a man to fish and he
>has to buy a license" - GTW
>
>"God knows everything - he's omnivorous" - Homer Simpson
>