[NatureNS] Jack Pine Die-back ???

Date: Thu, 20 Aug 2009 08:53:26 -0400
From: "Paul S. Boyer" <psboyer@eastlink.ca>
To: naturens@chebucto.ns.ca
References: <KGEBLAIFBKJFJMJFLCKPAEJFFOAA.dschlosb-g@ns.sympatico.ca>
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Could this critter be a suspect?  It is Monochamus notatus, who =20
attacks pines and some other conifers.  I saw him yesterday in =20
Seabright, which is also on the coast of St. Margaret's Bay, Halifax RM.

http://idisk.mac.com/docbnj/Public/Monochamus_notatus.jpg
http://idisk.mac.com/docbnj/Public/Monochamus_notatus_close.jpg

=97 Paul Boyer

On 18 Aug 2009, at 9:11 AM, David&Jane Schlosberg wrote:

> We were out for a walk in the Peggy's Cove area (the hills on the =20
> opposite side of the road, up from the parking lot where the skating =20=

> rink is to be built).  A large stand of pines there are dead, but =20
> there is some appparently healthy new growth.
> -----Original Message-----
> From: naturens-owner@chebucto.ns.ca =
[mailto:naturens-owner@chebucto.ns.ca=20
> ]On Behalf Of Dusan Soudek
> Sent: Monday, August 17, 2009 3:41 PM
> To: NatureNS
> Cc: Richmond Campbell; Beth McGee
> Subject: [NatureNS] Jack Pine Die-back ???
>
>    Two days ago, while traversing the proposed Five Bridge Lakes =20
> Wilderness Area of the Chebucto Peninsula (HRM) by canoe, I noticed =20=

> a large number of dead Jack Pines in the barrens and semi-barrens =20
> near Upper Five Bridge Lake. The dead trees show no signs of =20
> porcupine or any other damage, remain upright, and may have died a =20
> few years ago. All other tree species in the area (Tamarack, two =20
> spruce species, Paper Birch) appear to be healthy.
>    The dead Jack Pines are too high above the lake to have been =20
> negatively effected by a slight rise in the lake's level due to a =20
> new beaver dam at its outlet. They are solitary trees or in small =20
> clusters, and not part of a canopy, so it doesn't seem likely that =20
> they are being outcompeted by other tree species as part of a =20
> natural ecological succession.
>    Any other sightings of clusters of dead Jack Pines in the area? =20
> In the province? Any speculation on what may be happening here?
> Dusan Soudek


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<html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; ">Could this critter be a =
suspect? &nbsp;It is <i>Monochamus notatus</i>, who attacks pines and =
some other conifers. &nbsp;I saw him yesterday in Seabright, which is =
also on the coast of St. Margaret's Bay, Halifax =
RM.<div><div><br></div><div><a =
href=3D"http://idisk.mac.com/docbnj/Public/Monochamus_notatus.jpg">http://=
idisk.mac.com/docbnj/Public/Monochamus_notatus.jpg</a></div><div><a =
href=3D"http://idisk.mac.com/docbnj/Public/Monochamus_notatus_close.jpg">h=
ttp://idisk.mac.com/docbnj/Public/Monochamus_notatus_close.jpg</a></div><d=
iv><br></div><div>=97 Paul Boyer</div><div><br><div><div>On 18 Aug 2009, =
at 9:11 AM, David&amp;Jane Schlosberg wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><div =
bgcolor=3D"#ffffff"><div><span class=3D"312040813-18082009"><font =
color=3D"#0000ff" size=3D"2" face=3D"Arial">We were out for a walk in =
the Peggy's Cove area (the hills on the opposite side of the road, up =
from the parking lot where the skating rink is to be =
built).&nbsp;&nbsp;A large stand of&nbsp;pines there are dead, but there =
is some appparently healthy new growth.</font></span></div><blockquote =
dir=3D"ltr" style=3D"margin-right: 0px; "><div dir=3D"ltr" =
class=3D"OutlookMessageHeader" align=3D"left"><font size=3D"2" =
face=3D"Tahoma">-----Original Message-----<br><b>From:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:naturens-owner@chebucto.ns.ca">naturens-owner@chebucto.ns.c=
a</a> [<a =
href=3D"mailto:naturens-owner@chebucto.ns.ca">mailto:naturens-owner@chebuc=
to.ns.ca</a>]<b>On Behalf Of<span =
class=3D"Apple-converted-space">&nbsp;</span></b>Dusan =
Soudek<br><b>Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Monday, August 17, 2009 =
3:41 PM<br><b>To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>NatureNS<br><b>Cc:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>Richmond Campbell; Beth =
McGee<br><b>Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>[NatureNS] Jack Pine =
Die-back ???<br><br></font></div><div><font size=3D"4">&nbsp;&nbsp; Two =
days ago, while traversing the proposed Five Bridge Lakes Wilderness =
Area of the Chebucto Peninsula (HRM) by canoe,&nbsp;I noticed a large =
number of dead&nbsp;Jack Pines in the barrens and semi-barrens near =
Upper Five Bridge Lake.&nbsp;The dead trees&nbsp;show no signs of =
porcupine or any other&nbsp;damage, remain upright, and may have died a =
few years ago. All other tree species in the area (Tamarack, two spruce =
species, Paper Birch) appear to be healthy.</font></div><div><font =
size=3D"4">&nbsp;&nbsp; The dead Jack Pines&nbsp;are too high above the =
lake to&nbsp;have been negatively effected by a slight rise in the =
lake's level due to&nbsp;a new beaver dam at its outlet. They are =
solitary trees or in small clusters, and not part of a canopy, so it =
doesn't seem&nbsp;likely that they are being outcompeted by other tree =
species as part of a natural ecological =
succession.</font></div><div><font size=3D"4">&nbsp;&nbsp; Any other =
sightings of clusters of dead Jack Pines in the area? In the province? =
Any speculation on what may be happening here?</font></div><div><font =
size=3D"4">Dusan =
Soudek</font>&nbsp;&nbsp;</div></blockquote></div></blockquote></div><br><=
/div></div></body></html>=

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