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<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial>Hi all, j<SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial>ust for your information.
</FONT></SPAN></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial>The Canvec vegetation layer will be replaced by a "state of
the art" image classification. It is based on a subset of the GeoBase
Land Cover product. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial>I don't know if cut blocks will be included or excluded of the
"wooded" areas.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial>Daniel</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=105171015-07032011><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left>
<HR tabIndex=-1>
</DIV>
<DIV dir=ltr align=left><FONT size=2 face=Tahoma><B>From:</B> Connors, Bernie
(SNB) [mailto:Bernie.Connors@snb.ca] <BR><B>Sent:</B> March 7, 2011
08:29<BR><B>To:</B> 'Bryan Crosby'; 'talk-ca'<BR><B>Subject:</B> Re: [Talk-ca]
Mapping cut blocks in "wooded" areas<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Bryan,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">
I would have to agree with your argument. I have some knowledge of the
forestry GIS that is used here in NB and it would be a daunting task to include
cut blocks in the forest. There is more than enough OSM work in Canada
just getting the road network built it would be counterproductive to spend a lot
of time on forest cut blocks.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Bernie.<o:p></o:p></SPAN></P>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: #1f497d; FONT-SIZE: 10pt">--<o:p></o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: #0000a0; FONT-SIZE: 10pt">Bernie
Connors, P.Eng</SPAN></B><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: #1f497d; FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: maroon; FONT-SIZE: 10pt">Service
New Brunswick</SPAN><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: #1f497d; FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: maroon; FONT-SIZE: 10pt">(506)
444-2077</SPAN><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: #1f497d; FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: maroon; FONT-SIZE: 10pt">45°56'25.21"N,
66°38'53.65"W<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: maroon; FONT-SIZE: 10pt"><A
href="http://www.snb.ca/geonb/">www.snb.ca/geonb/</A></SPAN><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
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<P class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt"> Bryan Crosby
[mailto:azubryan@gmail.com] <BR><B>Sent:</B> Saturday, 2011-03-05
01:58<BR><B>To:</B> 'talk-ca'<BR><B>Subject:</B> Re: [Talk-ca] Mapping cut
blocks in "wooded" areas<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Georgia','serif'; COLOR: #1f497d; FONT-SIZE: 11pt">I would
tag it as natural=wood as I don’t feel that there is any distinction between a
2-year old stand and a 250 year old stand in terms of being wood, or
forest. They are merely different ages. Licensees maintain
incredibly accurate and up-to-date maps that indicate the different openings and
their respective stages of development. They have dedicated GIS guys that
maintain these maps as fast as techies bring it in. I suppose, in theory,
an OSM tag could be used to indicate the stage of opening development, but one
would require the date of harvesting, the date of planting and the dates of the
silviculture surveys to accurately assess the phase. Unless you are a
forester you won’t have access to that information and would be guessing.
I just feel that attempting to seriously map out such temporary
features accurately goes way beyond the ability of OSM (at this point, at
least).<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Georgia','serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Georgia','serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Bryan
<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Georgia','serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Georgia','serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<P class=MsoNormal><B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">From:</SPAN></B><SPAN
style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt"> Samuel Longiaru
[mailto:longiaru@shaw.ca] <BR><B>Sent:</B> March-04-11 9:43 PM<BR><B>To:</B>
talk-ca<BR><B>Subject:</B> Re: [Talk-ca] Mapping cut blocks in "wooded"
areas<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P style="MARGIN-BOTTOM: 12pt" class=MsoNormal>I very much see your point which
is why I was asking for some direction. I guess it comes down to whether
the map should reflect what we see at some given snapshot in time, or whether it
is reflecting the overall landuse scheme. In short, while standing in the
middle of a clear-cut, would it be more accurate that my map show that spot as
wooded or not wooded?<BR><BR>Sam L.<BR><BR><BR>-----Original
Message-----<BR><B>From</B>: Bryan Crosby <<A
href="mailto:Bryan%20Crosby%20%3cazubryan@gmail.com%3e">azubryan@gmail.com</A>><BR><B>To</B>:
'talk-ca' <<A
href="mailto:'talk-ca'%20%3ctalk-ca@openstreetmap.org%3e">talk-ca@openstreetmap.org</A>><BR><B>Subject</B>:
Re: [Talk-ca] Mapping cut blocks in "wooded" areas<BR><B>Date</B>: Fri, 04 Mar
2011 21:11:20 -0800<BR><BR>RE: cut-blocks<BR><BR> <BR><BR>As someone who
has spent done time as a forest technician, I strongly advise against mapping
forestry activity. Cut block spatial data changes <I>daily</I> and any
images used to trace are out of date. There are literally tens of
thousands of clear cuts in British Columbia alone and there is absolutely no way
OSM mappers would be able to keep up with changes. Keep in mind that most
clearcuts on crown land (and in some cases, private land) are temporary openings
in various stages forest development. A 2 year old stand is just as much a
forest as a 25 year old free-to-grow stand or a 250 year old stand of
timber. I believe that mapping a privately held ‘Christmas’ tree farm
would be pertinent, but these are radically different from commercial forestry
openings. <BR><BR> <BR><BR>I would also advise extreme caution in
using images to map forest development roads unless are working on a high
traffic mainline. Many spur roads are in various stages of
deactivation. It may look like a road from the outdated image, but it may
have been completely deactivated and replanted. A site inspection is the
only way to be sure. <BR><BR> <BR><BR>Bryan<BR><BR>British
Columbia<BR><BR> <BR><BR><B>From:</B> Daniel Begin
[mailto:jfd553@hotmail.com] <BR><B>Sent:</B> March-04-11 8:19 PM<BR><B>To:</B>
'Samuel Longiaru'; 'talk-ca'<BR><B>Subject:</B> Re: [Talk-ca] Mapping cut blocks
in "wooded" areas<BR><BR><BR> <BR><BR>Hi Samuel,<BR><BR> <BR><BR>About
tagging forested areas, I would use landuse=forest only if it is obvious on the
field that the area is managed/harvested, as for landuse=orchard or
landuse=vineyard. We have a lot of Christmas tree plantations in the area and I
map them as landuse=forest because it is obvious on the imagery and on the
field. <BR><BR> <BR><BR>If it is difficult to determine if an area is
under timber lease or not, because it looks the same, I would keep it
natural=wood...<BR><BR> <BR><BR>About Cut blocks, I would map the hole they
create that wooded area. If the area is replanted, then some OSM
contributor will remove the hole you map in 10-20 years from now!
<BR><BR> <BR><BR>Mapping the reality is the best we can do and because the
reality changes over time, we can keep mapping
!-)<BR><BR> <BR><BR>Daniel<BR><BR> <o:p></o:p></P>
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<P style="MARGIN-BOTTOM: 12pt" class=MsoNormal><B>From:</B> Samuel Longiaru
[mailto:longiaru@shaw.ca] <BR><B>Sent:</B> March-04-11 21:45<BR><B>To:</B>
talk-ca<BR><B>Subject:</B> [Talk-ca] Mapping cut blocks in "wooded"
areas<BR><BR><BR> <BR><BR>Hi Everybody,<BR><BR>I've been importing CanVec
mostly south of Kamloops for the past several weeks and am going to take some
time now to go back and bring stuff up to date. One question I have though
is in regards to how to treat cut blocks in the wooded areas.<BR><BR>I see
according to the map features wiki, that the CanVec imported tag of natural=wood
is technically not correct, at least for here, as wood is to be reserved only
for completely reserved/unmanaged areas. I guess most of what I have
should really be mapped as landuse=forest but I have not made the change because
what is under timber lease and what is not would be difficult to
determine. In one sense it's all managed to some degree or other.
But my point is rather what should be done with the cut blocks, which in some
areas constitute up to 50% or more of the forested area. <A
href="http://osm.org/go/WJ1cj_R">http://osm.org/go/WJ1cj_R</A> is a typical
area. It seems improper to keep them as wooded when they are clearly not,
and yet most are replanted and will be wooded again someday... or at least
that's what they keep telling us.<BR><BR>I started mapping them as it truly
gives a more accurate representation of the current state of affairs on the
ground... but thought I'd better get some guidance before proceeding too
far. <BR><BR>Thanks,<BR><BR>Sam L.<BR>Kamloops <o:p></o:p></P><PRE><o:p> </o:p></PRE><PRE>_______________________________________________<o:p></o:p></PRE><PRE>Talk-ca mailing list<o:p></o:p></PRE><PRE><A href="mailto:Talk-ca@openstreetmap.org">Talk-ca@openstreetmap.org</A><o:p></o:p></PRE><PRE><A href="http://lists.openstreetmap.org/listinfo/talk-ca">http://lists.openstreetmap.org/listinfo/talk-ca</A><o:p></o:p></PRE>
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