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Index of Subjects --Apple-Mail-141-1041843450 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Hi dave, Are you sure they are not one of the Pea Clams (Pisidium spp.)? There are a variety of species here in Nova Scotia: Pisidium conventus - Arctic-Alpine Pea Clam Pisidium variable - Triangular Pea Clam Pisidium nitidum - Shiny Pea Clam Pisidium milium - Quadrangular Pea Clam Pisidium lilljeborgi - Lilleborg's Pea Clam Pisidium ferrugineum - Rusty Pea Clam Pisidium compressum - Ridge-Beak Pea Clam Pisidium casertanum - Ubiquitous Pea Clam Pisidium adamsi - Adams' Pea Clam Most of which grow no larger than 2-3 mm. Cheers! Chris On 24-Mar-07, at 5:34 PM, David & Alison Webster wrote: > Dear All, March 24, 2007 > While sweeping rotting grass and debris in transient pools of a > drainage ditch today I encountered hundreds of small bivalves (~1-2 > mm long; dirty yellow, translucent and darker near the hinge), > presumably young freshwater clams of some kind. > > Logically, freshwater clams would spawn early in the spring, so > that the mobile phase would have maximum chance of reaching wet > pools that are cut off later in the summer. If this is in fact the > case (does anyone know when they do spawn ?) then are these clams > at least 12 months old or can they grow rapidly enough to be this > year's crop ? > > Yt, Dave Webster, Kentville > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _. Christopher Majka - Nova Scotia Museum of Natural History 1747 Summer Street, Halifax, Nova Scotia, Canada B3H 3A6 (902) 424-6435 Email <c.majka@ns.sympatico.ca> _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _. --Apple-Mail-141-1041843450 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1 <HTML><BODY style=3D"word-wrap: break-word; -khtml-nbsp-mode: space; = -khtml-line-break: after-white-space; ">Hi dave,<DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV><SPAN = class=3D"Apple-style-span">Are you sure they are not one of the Pea = Clams (<I>Pisidium</I> spp.)? There are a variety of species here in = Nova Scotia:</SPAN></DIV><DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV><SPAN = class=3D"Apple-style-span"><I>Pisidium conventus</I> - Arctic-Alpine Pea = Clam</SPAN></DIV><DIV><SPAN class=3D"Apple-style-span"><I>Pisidium = variable </I>- Triangular Pea Clam</SPAN></DIV><DIV><SPAN = class=3D"Apple-style-span"><I>Pisidium nitidum</I> - Shiny Pea = Clam</SPAN></DIV><DIV><SPAN class=3D"Apple-style-span"><I>Pisidium = milium</I> - Quadrangular Pea Clam</SPAN></DIV><DIV><SPAN = class=3D"Apple-style-span"><I>Pisidium lilljeborgi </I>- Lilleborg's Pea = Clam</SPAN></DIV><DIV><SPAN class=3D"Apple-style-span"><I>Pisidium = ferrugineum</I> - Rusty Pea Clam</SPAN></DIV><DIV><SPAN = class=3D"Apple-style-span"><I>Pisidium compressum</I> - Ridge-Beak Pea = Clam</SPAN></DIV><DIV><SPAN class=3D"Apple-style-span"><I>Pisidium = casertanum</I> - Ubiquitous Pea Clam</SPAN></DIV><DIV><SPAN = class=3D"Apple-style-span"><I>Pisidium adamsi </I>- Adams' Pea = Clam</SPAN></DIV><DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV>Most of which grow no = larger than 2-3 mm.</DIV><DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV>Cheers!</DIV><DIV><BR = class=3D"khtml-block-placeholder"></DIV><DIV>Chris</DIV><DIV><BR><DIV><DIV= >On 24-Mar-07, at 5:34 PM, David & Alison Webster wrote:</DIV><BR = class=3D"Apple-interchange-newline"><BLOCKQUOTE type=3D"cite"><DIV = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px; ">Dear All,<SPAN class=3D"Apple-converted-space">=A0 =A0= =A0 =A0 =A0 =A0 </SPAN>March 24, 2007</DIV><DIV style=3D"margin-top: = 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN = class=3D"Apple-converted-space">=A0=A0 </SPAN>While sweeping rotting = grass and debris in transient pools of a drainage ditch today I = encountered hundreds of small bivalves (~1-2 mm long; dirty yellow, = translucent and darker near the hinge), presumably young freshwater = clams of some kind.</DIV><DIV style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; = "><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; "><SPAN = class=3D"Apple-converted-space">=A0=A0 </SPAN>Logically, freshwater = clams would spawn early in the spring, so that the mobile phase would = have maximum chance of reaching wet pools that are cut off later in the = summer. If this is in fact the case (does anyone know when they do spawn = ?) then are these clams at least 12 months old or can they grow rapidly = enough to be this year's crop ?</DIV><DIV style=3D"margin-top: 0px; = margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: = 14px; "><BR></DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; ">Yt, Dave Webster, = Kentville</DIV><DIV style=3D"margin-top: 0px; margin-right: 0px; = margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV> = </BLOCKQUOTE></DIV><BR><DIV> <P style=3D"margin: 0.0px 0.0px 0.0px = 0.0px"><FONT face=3D"Times" size=3D"3" style=3D"font: 12.0px = Times">_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._= ._._._.</FONT></P> <P style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT = face=3D"Times" size=3D"3" style=3D"font: 12.0px Times">Christopher Majka = - Nova Scotia Museum of Natural History</FONT></P> <P style=3D"margin: = 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" style=3D"font: = 12.0px Times">1747 Summer Street, Halifax, Nova Scotia, Canada<SPAN = class=3D"Apple-converted-space">=A0 </SPAN>B3H 3A6</FONT></P> <P = style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times" size=3D"3" = style=3D"font: 12.0px Times">(902) 424-6435 <SPAN = class=3D"Apple-converted-space">=A0 </SPAN>Email <<A = href=3D"mailto:c.majka@ns.sympatico.ca">c.majka@ns.sympatico.ca</A>></F= ONT></P> <P style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><FONT face=3D"Times"= size=3D"3" style=3D"font: 12.0px = Times">_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._= ._._._.&