next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects
wide, adds to our total knowledge in a useful way.</div><div><br /></div
--_000_MWHPR17MB1199038B1C14BB38946EE122C7A20MWHPR17MB1199namp_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Thanks for all of the comments. As Rick points out, it is complicated. I t=
hink Dave Webster hit the nail on the head (others such as Phil Taylor have=
also shared similar sentiments with me). Promoting sharing of observations=
via platforms like eBird will enable all sorts of analysis, not only now, =
but also at any point in the future. The Spring First Arrivals table is a f=
un way to promote sharing of sightings. There were 25,000 hours of birding =
logged in Nova Scotia through eBird in 2016. As time passes, the database w=
ill contain better coverage and the tools within eBird will become more adv=
anced.
Unlike in the past when certain data might have been lost if it wasn't summ=
arized in NS Birds, we now have a permanent record that should be much more=
complete and only becoming better over time (eBird). I know eBird isn't pe=
rfect, but research is being done to identify the best ways of using the da=
ta. I hope to work with Acadia staff (and others) to sort out a way to pres=
ent eBird data for movements of migrant species, likely on a provincial lev=
el. If the data must be looked at on a finer scale or a different way, it w=
ill always be available on eBird. A specific trend from Breeding Bird Surve=
y results is identified, it could be explored through eBird data.
Alix Arthur d'Entremont
BSc Geomatics Engineering
292 Abbott's Harbour Road
Middle West Pubnico
Yarmouth Co., Nova Scotia
Canada B0W 2M0
Phone: +1 902 762 2082
Mobile: +1 902 307 0373
e-mail: alixdentremont@hotmail.com
Bird Photography http://www.flickr.com/photos/alixd/
Website http://alixdentremont.blogspot.ca/
________________________________
From: naturens-owner@chebucto.ns.ca <naturens-owner@chebucto.ns.ca> on beha=
lf of David <dwebster@glinx.com>
Sent: March 22, 2018 10:40 AM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] First Spring Arrivals
Hello All,
I have not followed this closely but the general idea of running field=
sighting observations through some filter on the spot to establish 'first =
arrival' figures brings to mind "Sentence first; trial later" or "Beware le=
st in grasping for the image you lose the substance."
Is it not preferable to simply accumulate field observations and let an=
alysis of the data in due time draw such conclusions as may appear to be va=
lid ? There are many subtle variations to migration. A species may be pres=
ent in NS year round but individuals of that species may shift within the p=
rovince or move out and be replaced by individuals from more northerly or i=
nland areas.
I suspect it is these subtle seasonal movements within the province or =
region which enable presence year round in some cases. Why throw subtle ins=
ights away because they don't fit a binary yes/no model ? And for that matt=
er what is the value of timely information about first arrival ?
End of sermon.
Yt, Dave Webster, Kentville
------ Original Message ------
From: "Rick Whitman" <dendroica.caerulescens@gmail.com<mailto:dendroica.cae=
rulescens@gmail.com>>
To: "naturens" <naturens@chebucto.ns.ca<mailto:naturens@chebucto.ns.ca>>
Sent: 3/21/2018 4:28:03 PM
Subject: [NatureNS] First Spring Arrivals
It quickly becomes clear that the concept is complicated. Developing a TABL=
E presentation for this topic is nothing like the Birds of Winter List or t=
he February List. For those it is Seen or Not Seen, province-wide, end of d=
iscussion.
First Spring Arrivals in Table form, for the entire province, also has to b=
e binary, does it not ? Or how many Tables with how many location boxes per=
species will be needed ?
As proposed:
Almost-Rigid-Migrants included, All Others not
First Record included, All Later Records not.
Aside from the above concept, you very quickly go to a set of tables for ea=
ch County (?) or a written Discussion much like we already have (had) in NS=
Birds. No ?
I believe the actual question is whether the birding community feels a sing=
le table approach for Almost-Rigid-Migrants, First Record only, province-wi=
de, adds to our total knowledge in a useful way.
When I saw the first notice from Alix, I thought it was very exciting and w=
as surprised that a few individuals had taken it on. If the core objective =
is to monitor the impact of climate change, you probably do need province-w=
ide dates to reduce random variation at the (say) County level.
Regards,
Rick Whitman
--_000_MWHPR17MB1199038B1C14BB38946EE122C7A20MWHPR17MB1199namp_
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
<style type=3D"text/css" style=3D"display:none;"><!-- P {margin-top:0;margi=
n-bottom:0;} --></style>
</head>
<body dir=3D"ltr">
<div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;font=
-family:Calibri,Helvetica,sans-serif;" dir=3D"ltr">
<p style=3D"margin-top:0;margin-bottom:0">Thanks for all of the comments. A=
s Rick points out, it is complicated. I think Dave Webster hit the na=
il on the head (others such as Phil Taylor have also shared similar sentime=
nts with me). Promoting sharing of observations
via platforms like eBird will enable all sorts of analysis, not only now, =
but also at any point in the future. The Spring First Arrivals table is a f=
un way to promote sharing of sightings. There were 25,000 hours of birding =
logged in Nova Scotia through eBird
in 2016. As time passes, the database will contain better coverage and the=
tools within eBird will become more advanced.</p>
<p style=3D"margin-top:0;margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0;margin-bottom:0">Unlike in the past when certain d=
ata might have been lost if it wasn't summarized in
<i>NS Birds</i>, we now have a permanent record that should be much more co=
mplete and only becoming better over time (eBird). I know eBird isn't perfe=
ct, but research is being done to identify the best ways of using the data.=
I hope to work with Acadia staff
(and others) to sort out a way to present eBird data for movements of migr=
ant species, likely on a provincial level. If the data must be looked at on=
a finer scale or a different way, it will always be available on eBird. A =
specific trend from Breeding Bird
Survey results is identified, it could be explored through eBird data.&nbs=
p;<br>
</p>
<p style=3D"margin-top:0;margin-bottom:0"><br>
</p>
<div id=3D"Signature">
<div id=3D"divtagdefaultwrapper" style=3D"color: rgb(0, 0, 0); font-family:=
Calibri,Arial,Helvetica,sans-serif,"EmojiFont","Apple Color=
Emoji","Segoe UI Emoji",NotoColorEmoji,"Segoe UI Symbo=
l","Android Emoji",EmojiSymbols; font-size: 12pt;">
<p><span style=3D"font-size:9pt"><strong>Alix Arthur d'Entremont</strong></=
span><br>
<span style=3D"font-size:9pt">BSc Geomatics Engineering</span></p>
<p><span style=3D"font-size:9pt"><br>
</span></p>
<p><span style=3D"font-size:9pt">292 Abbott's Harbour Road </span><br>
<span style=3D"font-size:9pt">Middle West Pubnico</span><br>
<span style=3D"font-size:9pt">Yarmouth Co., Nova Scotia</span><br>
<span style=3D"font-size:9pt">Canada B0W 2M0</span></p>
<p><span style=3D"font-size:9pt"><br>
</span></p>
<p><span style=3D"font-size:9pt">Phone: +1 902 762 2082</span><br>
<span style=3D"font-size:9pt">Mobile: +1 902 307 0373</span><br>
<span style=3D"font-size:9pt">e-mail: alixdentremont@hotmail.com</span><br>
<span style=3D"font-size:9pt">Bird Photography <a class=3D"OWAAutoLink" id=
=3D"LPNoLP" href=3D"http://www.flickr.com/photos/alixd/">
http://www.flickr.com/photos/alixd/</a></span><br>
<span style=3D"font-size:9pt">Website <a class=3D"OWAAutoLink" id=3D"LPNoLP=
" href=3D"http://alixdentremont.blogspot.ca/">
http://alixdentremont.blogspot.ca/</a></span></p>
</div>
</div>
<br>
<br>
<div style=3D"color: rgb(0, 0, 0);">
<hr tabindex=3D"-1" style=3D"display:inline-block;width:98%">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font color=3D"#000000" face=3D"Calib=
ri, sans-serif" style=3D"font-size:11pt"><b>From:</b> naturens-owner@chebuc=
to.ns.ca <naturens-owner@chebucto.ns.ca> on behalf of David <dwebs=
ter@glinx.com><br>
<b>Sent:</b> March 22, 2018 10:40 AM<br>
<b>To:</b> naturens@chebucto.ns.ca<br>
<b>Subject:</b> Re: [NatureNS] First Spring Arrivals</font>
<div> </div>
</div>
<div>
<div>Hello All,</div>
<div> I have not followed this closely but the general idea of=
running field sighting observations through some filter on the spot =
to establish 'first arrival' figures brings to mind "Sentence first; t=
rial later" or "Beware lest in grasping for the image
you lose the substance."</div>
<div> Is it not preferable to simply accumulate field observat=
ions and let analysis of the data in due time draw such conclusions as may =
appear to be valid ? There are many subtle variations to migration. A=
species may be present in NS year round but individuals
of that species may shift within the province or move out and be replaced =
by individuals from more northerly or inland areas. </div>
<div> I suspect it is these subtle seasonal movements within t=
he province or region which enable presence year round in some cases. Why t=
hrow subtle insights away because they don't fit a binary yes/no model ? An=
d for that matter what is the value of timely
information about first arrival ?</div>
<div> End of sermon.</div>
<div>Yt, Dave Webster, Kentville</div>
<div><br>
</div>
<div>------ Original Message ------</div>
<div>From: "Rick Whitman" <<a id=3D"LPlnk257071" href=3D"mailt=
o:dendroica.caerulescens@gmail.com" previewremoved=3D"true">dendroica.caeru=
lescens@gmail.com</a>></div>
<div>To: "naturens" <<a id=3D"LPlnk911988" href=3D"mailto:natu=
rens@chebucto.ns.ca" previewremoved=3D"true">naturens@chebucto.ns.ca</a>>=
;</div>
<div>Sent: 3/21/2018 4:28:03 PM</div>
<div>Subject: [NatureNS] First Spring Arrivals</div>
<div><br>
</div>
<div id=3D"x_x2262e697b978441">
<blockquote class=3D"x_cite2" type=3D"cite">
<div dir=3D"ltr">It quickly becomes clear that the concept is complicated. =
Developing a TABLE presentation for this topic is nothing like the Birds of=
Winter List or the February List. For those it is Seen or Not Seen, provin=
ce-wide, end of discussion.
<div><br>
</div>
<div>First Spring Arrivals in Table form, for the entire province, also has=
to be binary, does it not ? Or how many Tables with how many location boxe=
s per species will be needed ? </div>
<div><br>
</div>
<div>As proposed:</div>
<div>Almost-Rigid-Migrants included, All Others not</div>
<div>First Record included, All Later Records not.</div>
<div><br>
</div>
<div>Aside from the above concept, you very quickly go to a set of tables f=
or each County (?) or a written Discussion much like we already have (had) =
in NS Birds. No ?</div>
<div><br>
</div>
<div>I believe the actual question is whether the birding community feels a=
single table approach for Almost-Rigid-Migrants, First Record only, provin=
ce-wide, adds to our total knowledge in a useful way.</div>
<div><br>
</div>
<div>When I saw the first notice from Alix, I thought it was very exciting =
and was surprised that a few individuals had taken it on. If the core objec=
tive is to monitor the impact of climate change, you probably do need provi=
nce-wide dates to reduce random
variation at the (say) County level.</div>
<div><br>
</div>
<div>Regards,</div>
<div>Rick Whitman</div>
</div>
</blockquote>
</div>
</div>
</div>
</div>
</body>
</html>
--_000_MWHPR17MB1199038B1C14BB38946EE122C7A20MWHPR17MB1199namp_--
next message in archive
no next message in thread
previous message in archive
previous message in thread
Index of Subjects