[NatureNS] Sapsucker feeding

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From: David <dwebster@glinx.com>
To: "naturens@chebucto.ns.ca" <naturens@chebucto.ns.ca>
Date: Tue, 18 Sep 2018 21:03:45 +0000
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Dear All,
     While finishing two large Poplar today (crown locked so had to be=20
felled together) I noticed very intensive sapsucker feeding holes in a=20
fairly large Mountain Ash (Sorbus [americana ?]) . Being rushed, the=20
intended photo did not get taken.
      Growing conditions can affect feeding intensity so I would not=20
conclude that Sorbus is a favored sap source. Trees in that area (Birch=20
loop) have a tendency to lean, suggesting frequent lateral downslope=20
flow of water near the surface; good growth conditions except in years=20
with prolonged rain sparse periods.
     Alder (Alnus rugosa) is usually not used by sapsuckers but I once=20
found intensive feeding on alder growing in rich sediment upstream of a=20
long gone dam; so impressive I lugged out a sample.
Yt, Dw, Kentville
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<body>Dear All,<div>=C2=A0 =C2=A0 While finishing two large Poplar today (c=
rown locked so had to be felled together) I noticed very intensive sapsucke=
r feeding holes in a fairly large Mountain Ash (Sorbus [americana ?]) . Bei=
ng rushed, the intended photo did not get taken.</div><div>=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0Growing conditions can affect feeding intensity so I would n=
ot conclude that Sorbus is a favored sap source. Trees in that area (Birch=
 loop) have a tendency to lean, suggesting frequent lateral downslope flow o=
f water near the surface; good growth conditions except in years with prolo=
nged rain sparse periods.=C2=A0</div><div>=C2=A0 =C2=A0 Alder (Alnus rugosa=
) is usually not used by sapsuckers but I once found intensive feeding on a=
lder growing in rich sediment upstream of a long gone dam; so impressive I=
 lugged out a sample.</div><div>Yt, Dw, Kentville=C2=A0</div></body></html>
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