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Hi Chris & All,
True enough a diversity of cover has advantages. Larger trees are=20
much more effective wind breaks than 10-30 yr regrowth. And some of that=20
wind energy must be converted to heat.
DW, Kentville
------ Original Message ------
From: "David" <dwebster@glinx.com>
To: naturens@chebucto.ns.ca
Sent: 10/23/2017 11:28:18 AM
Subject: Re[2]: [NatureNS] observation and dogma
>Thanks Wayne,
> I now better appreciate the emphasis on the threatened minority=20
>cover.
>DW
>
>------ Original Message ------
>From: "rita.paul@ns.sympatico.ca" <rita.paul@ns.sympatico.ca>
>To: naturens@chebucto.ns.ca
>Sent: 10/23/2017 9:50:15 AM
>Subject: Re: [NatureNS] observation and dogma
>
>>Well Chris Moose wouldn't survive where there are deer -
>>clear cut or other wise!
>>Paul
>>
>>>On October 23, 2017 at 7:06 AM Chris Pepper <cpepper@ymail.com>=20
>>>wrote:
>>>
>>>In Eastern HRM and Guysborough you can still see moose sign fairly=20
>>>frequently compared to most of the mainland. Every time I do it's=20
>>>always near or in large tracks of intact woods. I know moose like=20
>>>feeding in cut areas but so do white-tailed deer. In this area the=20
>>>deer need these cut areas while the moose can survive without them.=20
>>>Once they are cut the deer move in which doesn't bode well for the=20
>>>moose.
>>> If I'm wrong and moose would prefer every last acre of their habitat=
=20
>>>cut then they should be doing better these days.
>>>Chris
>>>
>>>Sent from my BlackBerry 10 smartphone on the Bell network.
>>>From: Wayne P. Neily
>>>Sent: Monday, October 23, 2017 5:22 AM
>>>To: naturens@chebucto.ns.ca
>>>Reply To: naturens@chebucto.ns.ca
>>>Subject: Re: [NatureNS] observation and dogma
>>>
>>>
>>>Hello David,
>>>
>>>
>>>
>>>You are quite right that it can be difficult to change the mind of=20
>>>any of us who have a fixed opinion on something and have not been=20
>>>able to study the question in the field.
>>>
>>> I'm not sure that anyone has claimed that ancient woodland is the=20
>>>best type of cover - certainly it is not if you are a moose. What=20
>>>most conservationists and naturalists seek is a good diversity of the=20
>>>forest types and stages naturally occurring in a given area, since=20
>>>each stage and type has trees, shrubs, herbaceous plants, birds and=20
>>>other animals adapted to it. All these stages are important to=20
>>>ensure biological diversity and to protect threatened species. =20
>>>Old-growth forests may have less diversity of species than some=20
>>>others (edge habitats usually have the most diversity), but for those=20
>>>that live there they are essential, and our focus needs to be on=20
>>>protecting them because they are the most endangered forest=20
>>>ecosystems here and they take the longest to regenerate. Certainly=20
>>>there is no shortage of the early forest stages preferred by deer and=20
>>>moose. It seems that our forest managers are making some effort to=20
>>>see that "harvested" areas grow back to a sort of forest that will=20
>>>provide more fibre in the shortest time but have little or no=20
>>>interest in allowing it to grow to subsequent successional stages or=20
>>>ensuring that all forest types are represented. I'll leave it to the=20
>>>forest ecologists on the list to give more details if they wish.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>Wayne P. Neily
>>>Tremont, Kings Co., Nova Scotia
>>>
>>> "The woods are lovely, dark and deep.
>>>But I have promises to keep,
>>>And miles to go before I sleep." - Robert Frost, 1923 [Stopping by=20
>>>Woods on a Snowy Evening]
>>>
>>>"Think globally, Act locally." - Ren=C3=A9 Dubos, 1972.
>>>
>>>
>>>
>>>------------------------------------------------------------------------=
--------
>>>From:naturens-owner@chebucto.ns.ca <naturens-owner@chebucto.ns.ca> on=20
>>>behalf of David <dwebster@glinx.com>
>>>Sent: October 22, 2017 21:14
>>>To:naturens@chebucto.ns.ca
>>>Cc: David Webster
>>>Subject: [NatureNS] observation and dogma
>>>
>>>Hello All,
>>> While clearing some junk out of the basement recently I came=20
>>>across a gear which I made from scraps, decades before e-mail,(~1975=20
>>>?) for stereoscopic viewing of air photos. It consisted of two=20
>>>mirrors held 7" apart in slots cut at a 45 degree angle in thin=20
>>>boards, one mirror facing up & one down. A low table lamp is required=20
>>>so that the portion of air photo below the down facing mirror is=20
>>>illuminated.
>>> In use, the area of interest was placed below the down facing=20
>>>mirror and a full size image would then appear in the up facing=20
>>>mirror. For purposes of visualization let the down facing mirror be=20
>>>on the left. The corresponding area of the second air photo would=20
>>>then be placed one eye spacing to the right of the up facing mirror.=20
>>>If the photos are arranged with edges parallel then the whole=20
>>>assembly can be moved around without adjustment.
>>> For viewing I used two cheap reading lenses about 2" in=20
>>>diameter. Tilting one or both a bit, one over the up mirror, one over=20
>>>the right air photo enabled fine distance adjustment for stereoscopic=20
>>>viewing.
>>>
>>> With this long preamble out of the way, and with likely most=20
>>>naturensers reading something else, I can now get to the point.
>>> A few years after I joined Naturens the subject of expensive=20
>>>stereoscopic viewers came up and I mentioned having designed and made=20
>>>this device from disposables.
>>> Observation: it worked fine even for those who had never=20
>>>previously seen stereoscopic images of air photos.
>>> Dogma: someone chimed in with the objection "that can't possibly=20
>>>work."
>>>
>>> I have noticed this conflict between observation and dogma many=20
>>>times on Naturens, especially in recent posts with respect to Old=20
>>>Growth and wildlife e.g Moose. Over the years I have walked over a=20
>>>lot of woodland, sometimes for hunting but mostly for the fun of=20
>>>seeing what was over the next rise etc. And without exception,=20
>>>woodland of large widely spaced trees is country either avoided by=20
>>>animals or crossed in a bee line. Disturbed cover, on the other hand,=20
>>>clearcut or selectively cut by human, by wind throw or by Spruce=20
>>>Budworm quickly become more alive. Former Beaver desert became Beaver=20
>>>heaven when the Budworm killed Fir and Spruce and generated space for=20
>>>hardwood thickets. Twenty or so suckers which sprouted from the stump=20
>>>of a large Ash which I cut January 2017 were gnawed to stubs by July.
>>> Just a rhetorical question but I wonder how someone comes to the=20
>>>conclusion that ancient woodland is the best possible type of cover ?
>>>YT, DW, Kentville
>>>
>>>
>>>
>>>
>>
>>
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=20
</head><body><div>Hi Chris & All,</div><div>=C2=A0 =C2=A0 True enough=
a diversity of cover has advantages. Larger trees are much more effective w=
ind breaks than 10-30 yr regrowth. And some of that wind energy must be con=
verted to heat.=C2=A0</div><div>DW, Kentville</div>
<div><br /></div>
<div>------ Original Message ------</div>
<div>From: "David" <<a href=3D"mailto:dwebster@glinx.com">dwebster@glinx=
.com</a>></div>
<div>To: <a href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca=
</a></div>
<div>Sent: 10/23/2017 11:28:18 AM</div>
<div>Subject: Re[2]: [NatureNS] observation and dogma</div><div><br /></div=
>
<div id=3D"xccdba399dcc9476"><blockquote cite=3D"em38f896b1-7bad-44fa-ae60-=
220a993171ed@desktop-9kvucdh" type=3D"cite" class=3D"cite2">
<div>Thanks Wayne,</div><div>=C2=A0 =C2=A0 I now better appreciate the emph=
asis on the threatened minority cover.</div><div>DW</div>
<div><br /></div>
<div>------ Original Message ------</div>
<div>From: "<a href=3D"mailto:rita.paul@ns.sympatico.ca">rita.paul@ns.sympa=
tico.ca</a>" <<a href=3D"mailto:rita.paul@ns.sympatico.ca">rita.paul@ns.=
sympatico.ca</a>></div>
<div>To: <a href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca=
</a></div>
<div>Sent: 10/23/2017 9:50:15 AM</div>
<div>Subject: Re: [NatureNS] observation and dogma</div><div><br /></div>
<div id=3D"x591fbd1737d54ec"><blockquote cite=3D"169031796.1513968.15087630=
15054.open-xchange@webmail.bellaliant.net" type=3D"cite" class=3D"cite2">
=20
<div>
Well Chris Moose wouldn't survive where there are deer -
</div>=20
<div>
clear cut or other wise!=20
</div>=20
<div>
Paul
</div>=20
<div>
=C2=A0
</div>=20
<blockquote style=3D"padding-left: 10px; margin-left: 0px; border-left-co=
lor: blue; border-left-width: 1px; border-left-style: solid; position: rela=
tive;" type=3D"cite" class=3D"cite">
On October 23, 2017 at 7:06 AM Chris Pepper <<a href=3D"mailto:cpeppe=
r@ymail.com">cpepper@ymail.com</a>> wrote:
<br />
<br />=20
<div style=3D"width: 100%; color: #1f497d; font-family: Calibri, 'Slate=
Pro', sans-serif, sans-serif; background-color: #ffffff;">
In Eastern HRM and Guysborough you can still see moose sign fairly freq=
uently compared to most of the mainland. Every time I do it's always near o=
r in large tracks of intact woods. I know moose like feeding in cut areas b=
ut so do white-tailed deer. In this area the deer need these cut areas whil=
e the moose can survive without them. Once they are cut the deer move in wh=
ich doesn't bode well for the moose.=C2=A0
</div>=20
<div style=3D"width: 100%; color: #1f497d; font-family: Calibri, 'Slate=
Pro', sans-serif, sans-serif; background-color: #ffffff;">
=C2=A0If I'm wrong and moose would prefer every last acre of their habi=
tat cut then they should be doing better these days.
</div>=20
<div style=3D"width: 100%; color: #1f497d; font-family: Calibri, 'Slate=
Pro', sans-serif, sans-serif; background-color: #ffffff;">
Chris
</div>=20
<div style=3D"width: 100%; color: #1f497d; font-family: Calibri, 'Slate=
Pro', sans-serif, sans-serif; background-color: #ffffff;">
=C2=A0
</div>=20
<div style=3D"color: #1f497d; font-family: Calibri, 'Slate Pro', sans-se=
rif, sans-serif; background-color: #ffffff;">
Sent=C2=A0from=C2=A0my=C2=A0BlackBerry=C2=A010=C2=A0smartphone=C2=A0on=
=C2=A0the=C2=A0Bell=C2=A0network.
</div>=20
<table style=3D"width: 100%; border-spacing: 0px; background-color: whit=
e;">=20
<tbody>=20
<tr>=20
<td colspan=3D"2" style=3D"background-color: #ffffff;">=20
<div style=3D"border-style: solid none none; padding: 3pt 0in 0in; f=
ont-family: Tahoma, 'BB Alpha Sans', 'Slate Pro'; font-size: 10pt; border-t=
op-color: #b5c4df; border-top-width: 1pt;">=20
<div>
<strong>From: </strong>Wayne P. Neily
</div>=20
<div>
<strong>Sent: </strong>Monday, October 23, 2017 5:22 AM
</div>=20
<div>
<strong>To: </strong><a href=3D"mailto:naturens@chebucto.ns.ca">na=
turens@chebucto.ns.ca</a>
</div>=20
<div>
<strong>Reply To: </strong><a href=3D"mailto:naturens@chebucto.ns.=
ca">naturens@chebucto.ns.ca</a>
</div>=20
<div>
<strong>Subject: </strong>Re: [NatureNS] observation and dogma
</div>=20
</div> </td>=20
</tr>=20
</tbody>=20
</table>=20
<div style=3D"border-style: solid none none; border-top-color: #babcd1;=
border-top-width: 1pt; background-color: #ffffff;">
=C2=A0
</div>=20
<br />=20
<div id=3D"_originalContent">=20
<div id=3D"divtagdefaultwrapper" style=3D"color: #000000; font-family:=
Calibri,Helvetica,sans-serif; font-size: 12pt;" dir=3D"ltr">=20
<p>Hello David,</p>=20
<p>=C2=A0</p>=20
<p>You are quite right that it can be difficult to change the mind of=
any of us who have a=C2=A0fixed opinion on something=C2=A0and have not been =
able to study the question in the field.=C2=A0</p>=20
<p>=C2=A0 I'm not sure that anyone has claimed that ancient woodland i=
s the best type of cover - certainly it is not if you are a moose.=C2=A0 Wh=
at most conservationists and naturalists seek is a good diversity of the fo=
rest types and stages naturally occurring in a given area, since each stage =
and type has trees, shrubs, herbaceous plants, birds and other animals ada=
pted to it.=C2=A0 All these stages are important to ensure biological diver=
sity and to protect threatened species.=C2=A0=C2=A0 Old-growth forests may=
have less diversity of species than some others (edge habitats usually have =
the most diversity), but for those that live there they are essential, and =
our focus needs to be on protecting them because they are the most endange=
red forest ecosystems here and they take the longest to regenerate.=C2=A0 C=
ertainly there is no shortage of the early forest stages preferred by deer=
and moose.=C2=A0 It seems that our forest managers are making some effort t=
o see that "harvested" areas grow back to a sort of forest that will provid=
e more fibre in the shortest time but have little or no interest in allowin=
g it to grow to subsequent successional stages or ensuring that all forest=
types are represented.=C2=A0 I'll leave it to the forest ecologists on the=
list to give more details if they wish.</p>=20
<p>=C2=A0</p>=20
<p>=C2=A0</p>=20
<div id=3D"Signature">=20
<div id=3D"divtagdefaultwrapper" style=3D"color: #000000; font-family=
: Calibri,Arial,Helvetica,sans-serif,'EmojiFont','Apple Color Emoji', 'Sego=
e UI Emoji', NotoColorEmoji, 'Segoe UI Symbol', 'Android Emoji', EmojiSymbo=
ls; font-size: 12pt;">=20
<p class=3D"ecxecxecxMsoNormal">=C2=A0</p>=20
<p class=3D"ecxecxecxMsoNormal">=C2=A0</p>=20
<div>
Wayne P. Neily=20
<br /> Tremont, Kings Co., Nova Scotia
</div> =C2=A0
<span style=3D"color: #000000; text-transform: none; text-indent: 0p=
x; word-spacing: 0px; white-space: normal; border-collapse: separate;" clas=
s=3D"ecxApple-style-span"><br /> =C2=A0"The woods are lovely, dark and deep=
. <br /> But I have promises to keep, <br /> And miles to go before I sleep=
." - Robert Frost, 1923 [Stopping by Woods on a Snowy Evening] <br /> <br /=
> "Think globally, Act locally." - Ren=C3=A9 Dubos, 1972.=C2=A0<br /> =C2=
=A0=C2=A0 </span>
</div>=20
</div>=20
<br />=20
<br />=20
<div style=3D"color: #000000;">
<hr />=20
<div id=3D"divRplyFwdMsg" dir=3D"ltr">
<span style=3D"font-family: Calibri, sans-serif; font-size: 11pt;"><=
strong>From:</strong> <a href=3D"mailto:naturens-owner@chebucto.ns.ca">natu=
rens-owner@chebucto.ns.ca</a> <<a href=3D"mailto:naturens-owner@chebucto=
.ns.ca">naturens-owner@chebucto.ns.ca</a>> on behalf of David <<a hre=
f=3D"mailto:dwebster@glinx.com">dwebster@glinx.com</a>><br /> <strong>Se=
nt:</strong> October 22, 2017 21:14<br /> <strong>To:</strong> <a href=3D"m=
ailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a><br /> <strong>Cc=
:</strong> David Webster<br /> <strong>Subject:</strong> [NatureNS] observa=
tion and dogma</span>=20
<div>
=C2=A0
</div>=20
</div>=20
<div>
Hello All,=20
<div>
=C2=A0 =C2=A0 While clearing some junk out of the basement recently =
I came across a gear which I made from scraps, decades before e-mail,(~197=
5 ?) for stereoscopic viewing of air photos. =C2=A0It consisted of two mirr=
ors held 7" apart in slots cut at a 45 degree angle in thin boards, one mir=
ror facing up & one down. A low table lamp is required so that the port=
ion of air photo below the down facing mirror is illuminated.=C2=A0
</div>=20
<div>
=C2=A0=C2=A0=C2=A0=C2=A0In use, the area of interest was placed bel=
ow the down facing mirror and a full size image would then appear in the up =
facing mirror. For purposes of visualization let the down facing mirror be =
on the left. The corresponding area of the second air photo would then be=
placed one eye spacing to the right of the up facing mirror. If the photos=
are arranged with edges parallel then the whole assembly can be moved aroun=
d without adjustment.=C2=A0
</div>=20
<div>
=C2=A0 =C2=A0 =C2=A0For viewing I used two cheap reading lenses abo=
ut 2" in diameter. Tilting one or both a bit, one over the up mirror, one o=
ver the right air photo enabled fine distance adjustment for stereoscopic v=
iewing.
</div>=20
<div>
=C2=A0 =C2=A0=C2=A0
</div>=20
<div>
=C2=A0 =C2=A0 With this long preamble out of the way, and with like=
ly most naturensers reading something else, I can now get to the point.=C2=
=A0
</div>=20
<div>
=C2=A0=C2=A0=C2=A0=C2=A0A few years after I joined Naturens the sub=
ject of expensive stereoscopic viewers came up and I mentioned having desig=
ned and made this device from disposables.=C2=A0
</div>=20
<div>
=C2=A0=C2=A0=C2=A0=C2=A0Observation: it worked fine even for those=
who had never previously seen stereoscopic images of air photos.
</div>=20
<div>
=C2=A0 =C2=A0 Dogma: someone chimed in with the objection "that can=
't possibly work."=C2=A0
</div>=20
<div>
=C2=A0
</div>=20
<div>
=C2=A0 =C2=A0 I have noticed this conflict between observation and=
dogma many times on Naturens, especially in recent posts with respect to Ol=
d Growth and wildlife e.g Moose. Over the years I have walked over a lot of =
woodland, sometimes for hunting but mostly for the fun of seeing what was=
over the next rise etc. And without exception, woodland of large widely spa=
ced trees is country either avoided by animals or crossed in a bee line. Di=
sturbed cover, on the other hand, clearcut or selectively cut by human, by=
wind throw or by Spruce Budworm quickly become more alive. Former Beaver de=
sert became Beaver heaven when the Budworm killed Fir and Spruce and genera=
ted space for hardwood thickets. Twenty or so suckers which sprouted from t=
he stump of a large Ash which I cut January 2017 were gnawed to stubs by Ju=
ly.=C2=A0
</div>=20
<div>
=C2=A0 =C2=A0 Just a rhetorical question but I wonder how someone c=
omes to the conclusion that ancient woodland is the best possible type of c=
over ?
</div>=20
<div>
YT, DW, Kentville=C2=A0
</div>=20
<div>
=C2=A0 =C2=A0=C2=A0
</div>=20
</div>=20
</div>=20
</div>=20
<br />
<!--end of _originalContent -->
</div>=20
<br />
<br />
</blockquote>=20
<div>
<br />=C2=A0
</div>
=20
</blockquote></div>
</blockquote></div>
</body></html>
--------=_MB5AAA3D17-36F9-4A33-BC57-96F72578520B--
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