Once again an incremental extension (S; now N) of the range cited by
Dick Johnson toward congruence with that of the Alewife. Does the
Conch-L delegation from Newfoundland care to respond to this Roll Call vote?
Thanks, Fred,
Harry
On 1/2/2012 9:36 AM, Frederick W. Schueler wrote:
> On 1/2/2012 8:59 AM, [log in to unmask] wrote:
>> Actually this species extends to at least South Carolina.
>
> * and to the lowermost Ottawa River in Quebec. It used to get to Ottawa,
> extremely rarely, before all the hydro dams.
>
> fred.
> =====================================================
>
>> *From: *"Harry G. Lee" <[log in to unmask]>*
>> To: *[log in to unmask]*
>> Sent: *Mon, Jan 2, 2012 11:42:58 GMT+00:00*
>> Subject: * Re: [CONCH-L] New York City naiades
>>
>> Dear Allen,
>>
>> A great chronicle of urban shelling.
>>
>> The host fish may not have been in the pond! The Alewife, /Alosa
>> pseudoharengus/ (Wilson, 1811), sometimes (mis)identified as the
>> confamilial menhaden, shad, bunker, mossbunker, "shiner," or
>> pogey**, is an anadromous (as in most salmon) herring relative which
>> historically lived along the coast from Newfoundland to about
>> Jacksonville, FL.
>>
>> The distribution of f /Anodonta implicata/ (Say, 1829), now
>> officially known as the Alewife Floater, ranges from New England.
>> Including some original observations in the Agawam River, Plymouth,
>> MA, Johnson (1970: 361) reported its reproductive cycle to be
>> annual, with discharge of glochidia in the warmer part of
>> springtime. Appropriately enough, this is when the Alewife ascend
>> the coastal portions of rivers in its range to breed, returning to
>> the sea in the of autumn (see
>> <http://www.maine.gov/dmr/searunfish/alewife/index.htm>). While
>> there are some land-locked alewife populations, they do not seem to
>> play a role in the life history of this naiad, which prospers in
>> ponds and relatively swift streams, both with "an unobstructed
>> outlet to the sea" (Johnson, loc. cit.).
>>
>> When Wolf Pond was created, the dam may have stifled the annual
>> spring migration of its dedicated alewife population. That would
>> account for the large specimens you found (and the apparent absence
>> of a significant number of smaller recruits).
>>
>> Harry
>>
>> Johnson, R.I., 1970. The systematica and zoogeography of the
>> Unionidae (Mollusca: Bivalvia) of the southern Atlantic slope
>> region./ Bulletin of the Museum of Comparative Zoology 14/0(6):
>> 263-449 (incl. 22 pls.) 20 Nov.
>>
>>
>> On 1/1/2012 2:18 PM, Allen Aigen wrote:
>>> Freshwater clam lovers,
>>> I found a lot of /Anodonta implicata S/ay, 1829 still stuck in the
>>> muddy sand near what was the shoreline of Wolf's Pond in Staten
>>> Island. It lost it's dam during the last big storm and reverted
>>> back to a small creek. I was very surprised to see them as I never
>>> saw a shell there when it was a pond, and these grew up to an
>>> impressive 150 mm. According to
>>> http://cbc.amnh.org/mussel/introductiononeframeset.html they are
>>> not rare or protected, and apparently this is the first reference
>>> to them on Staten Island. Now that the pond is drying up, this may
>>> be the last of them in Staten Island... Apparently they use
>>> pumpkinseed sunfish as hosts for breeding because that was about
>>> the only fish in the pond.
>>> Allen Aigen
>>> [log in to unmask]
>>> Staten Island, NY
>>>
>>> .
>>> --- On *Sat, 12/31/11, Harry G. Lee /<[log in to unmask]>/*
>>> wrote:
>>> Subject: Re: [CONCH-L] New monograph on Florida naiades
>>> To: [log in to unmask]
>>> Date: Saturday, December 31, 2011, 7:07 AM
>>>
>>> Excellent; this is like peer-review - if I may be so
>>> presumptuous as to presume parity.
>>>
>>> Thanks, Harry
>>>
>>>
>>> On 12/30/2011 5:48 PM, David Campbell wrote:
>>> For sake of completeness, one species, a Toxolasma, was
>>> included in the inventory.
>>>
>>> > For the sake of completeness, insert the word "undescribed"
>>> before Toxolasma. The species in question is discussed in the
>>> Williams et al., 2008 Alabama mussel book. Molecular data
>>> do support its
>>> distinctiveness, as well as a number of other Toxolasma
>>> populations.
>>>
>>> Dr. David Campbell
----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------
|
