Andrew,
     can't say I've seen a large list of other species heading further
North, but I've only been collecting with intensity in the last five
years.  The only other species that I've found perhaps creeping North is
Solen viridis.  The Northern range limit based upon the literature is
Rhode Island (and I did find some really nice examples in Newport this
past month).  However, over the last couple of years I've also found the
species in Hyannis, MA (lower Cape Cod).  So that might be further
evidence of a warming trend.  I know the effects of true global warming
could be very bad as I understand it, but I sure wouldn't mind more of
those pretty Southern species moving up to my neck of the woods!
-K

On Mon, 25 Jul 2005 09:15:00 -0500, Andy Rindsberg
<[log in to unmask]> wrote:

>Kevin,
>
>Could be important, and it would be good for other New England collectors
to
>keep their eyes open. This is what a northward biogeographic shift due to
>global warming would look like, though of course that is not the only
>possible explanation. Are other species extending their ranges in tandem,
or
>is this the only one?
>
>Andrew K. Rindsberg
>Geological Survey of Alabama
>
>-----Original Message-----
>From: Conchologists List [mailto:[log in to unmask]] On Behalf Of
>Kevin Czaja
>Sent: Friday, July 22, 2005 6:38 PM
>To: [log in to unmask]
>Subject: Donax fossor in Rhode Island
>
>
>I recently found multiple specimens of Donax fossor on Easton Beach in
>Newport, Rhode Island.  Is this find unique regarding the northern extent
of
>the species range?  As I understood it, Long Island, NY was supposed to be
>the northern limit.  I thought it even exceptional when I found the
species
>as far east as South Hampton, NY a few summers ago.  Has anyone else found
>the species in Rhode Island? -Kevin Czaja Very much enjoying the Florida
>type weather in Boston, MA!
>
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