[NatureNS] mourning doves eating wood ashes

From: "Laviolette, Lance (EXP)" <lance.laviolette@lmco.com>
To: "naturens@chebucto.ns.ca" <naturens@chebucto.ns.ca>
Date: Thu, 31 Jan 2013 16:18:23 -0500
Thread-Topic: [NatureNS] mourning doves eating wood ashes
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Hi Paul,

>You wouldn't find that from University or government folks.

You may find a small amount of comfort knowing that that isn't always the c=
ase. In a 2012 environmental assessment report of the impact of the realign=
ment of the Trans-Canada Highway in PEI the following can be found:

"Road salts that contain inorganic chloride salts are considered "toxic" as=
 defined in Section 64 of the CEPA... Environment Canada determined that th=
e development and refinement of Salt Management Plans is the best mitigatio=
n against potential environmental effects from road salt use."

Also, Environment Canada has issued a number of bulletins regarding road sa=
lt as well. This from an August 2000 bulletin:

"Behavioural and toxicological impacts have been associated with exposure o=
f mammalian and avian wildlife to road salts. Road salt increases the vulne=
rability of birds to car strike and may poison some birds directly. To reli=
eve thirst, birds may ingest snow which could have negative energetic conse=
quences; consumption of meltwater containing high concentrations of salt ma=
y increase salt ingestion rather than alleviating salt toxicosis. Road salt=
 may also affect wildlife through its impact on habitat, with reduction in =
plant cover or community shifts that could affect wildlife dependent on the=
se plants for food or shelter."

Of course whether decision makers heed these warnings is another question e=
ntirely.

All the best,

Lance

Lance Laviolette
Glen Robertson, Ontario




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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'f=
ont-size:14.0pt;font-family:"Arial","sans-serif";color:black'>Hi Paul,<o:p>=
</o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:14.0pt;font-=
family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p></span></p><p cla=
ss=3DMsoNormal><span style=3D'font-family:"Arial","sans-serif";color:black'=
>&gt;You wouldn't find that from University or government folks.<o:p></o:p>=
</span></p><p class=3DMsoNormal><span style=3D'font-size:14.0pt;font-family=
:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p></span></p><p class=3DM=
soNormal><span style=3D'font-size:14.0pt;font-family:"Arial","sans-serif";c=
olor:black'>You may find a small amount of comfort knowing that that isn&#8=
217;t always the case. In a 2012 environmental assessment report of the imp=
act of the realignment of the Trans-Canada Highway in PEI the following can=
 be found:<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-si=
ze:14.0pt;font-family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p></=
span></p><p class=3DMsoNormal style=3D'text-autospace:none'><span style=3D'=
font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>&#8220;Road =
salts that contain inorganic chloride salts are considered &#8220;toxic&#82=
21; as defined in Section 64 of the <i>CEPA&#8230;</i> Environment Canada d=
etermined that the development and refinement of Salt Management Plans is t=
he best mitigation against potential environmental effects from road salt u=
se.&#8221;<o:p></o:p></span></p><p class=3DMsoNormal style=3D'text-autospac=
e:none'><span style=3D'font-family:"Arial","sans-serif";color:black'><o:p>&=
nbsp;</o:p></span></p><p class=3DMsoNormal style=3D'text-autospace:none'><s=
pan style=3D'font-size:14.0pt;font-family:"Arial","sans-serif";color:black'=
>Also, Environment Canada has issued a number of bulletins regarding road s=
alt as well. This from an August 2000 bulletin:<o:p></o:p></span></p><p cla=
ss=3DMsoNormal style=3D'text-autospace:none'><span style=3D'font-size:14.0p=
t;font-family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p></span></p=
><p class=3DMsoNormal style=3D'text-autospace:none'><span lang=3DEN style=
=3D'font-size:11.0pt;color:black'>&#8220;Behavioural and toxicological impa=
cts have been associated with exposure of mammalian and avian wildlife to r=
oad salts. Road salt increases the vulnerability of birds to car strike and=
 may poison some birds directly. To relieve thirst, birds may ingest snow w=
hich could have negative energetic consequences; consumption of meltwater c=
ontaining high concentrations of salt may increase salt ingestion rather th=
an alleviating salt toxicosis. Road salt may also affect wildlife through i=
ts impact on habitat, with reduction in plant cover or c