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Hi All, Apr 4, 2012
I just skimmed through the Brylinsky report and, from the passages I =
hit, several points stand out.
Normally phosphate is immobile in soil until the soil colloids =
become supersaturated, and this takes a lot of P, so it has seemed =
strange all along that P was somehow reaching waterways.
The absence of real soil may be a key aspect because phosphate would =
pass over/through a bog or swamp like bran through a loose goose. And =
some of these drainage ways are very wet. Whether swamp/bog drainage =
ways and hi P input points register is another matter.
Superphosphate readily reacts with free ammonia to form diammonium =
phosphate (DAP) which, in P terms, is about 20 times as soluble as =
superphos. I would expect DAP to be the mobile form. This agrees with =
Appendix 1 where samples high in P are also high in NH4.
Yt, Dave Webster, Kentville
=20
----- Original Message -----=20
From: James W. Wolford=20
To: NatureNS ; Mike Brylinsky ; Anna Redden ; Joan Czapalay ; Bob =
Bancroft=20
Sent: Wednesday, April 04, 2012 1:42 AM
Subject: [NatureNS] re mink farms & phosphorus pollution in sw. lakes
John's remarks about the superphosphate may have come from the article =
of Apr. 2/12 on the cbc.ca/news/ CBC News Web site, and/or possibly =
from the Yarmouth newspaper, The Vanguard? The two articles I read =
(incl. the Herald of Apr. 3) indicate that the N.S. Dept. of Environment =
is working on the draft regulations for fur farms and working to make =
them come into effect rather than remain as "drafts". Both of the =
reports for N.S. Environment were done by Mike Brylinsky of the Acadia =
Centre for Estuarine Research at Acadia Univ. The reports are available =
on line at gov.ns.ca/environment/ by searching under "mink", and the =
most recent report is dated Feb. 2012 (based on monitoring in 2009, =
2010, & 2011.
Jim in Wolfville.
Begin forwarded message:
From: John and Nhung <nhungjohn@eastlink.ca>
Date: April 3, 2012 8:57:53 PM ADT
To: naturens@chebucto.ns.ca
Subject: RE: [NatureNS] Mink
Reply-To: naturens@chebucto.ns.ca
Hmm... The logistics sound horrendous. Guess the cattails are =
doing some
of that , but not enough.
Interesting: Looks as if only some farms are causing a problem, and =
use of
superphosphate has been implicated. It would be good to know why =
certain
farms are associated with increases in nutrient level in nearby =
waterways
and others are not. =20
-----Original Message-----
From: naturens-owner@chebucto.ns.ca =
[mailto:naturens-owner@chebucto.ns.ca]
On Behalf Of David & Alison Webster
Sent: April-03-12 8:35 PM
To: NatureNS@chebucto.ns.ca
Subject: [NatureNS] Mink
Dear All, Apr 3, 2012
I notice in today's Chr. Hrld. that mink farming has once again =
been
linked to phosphate pollution of waterways.
I may be repeating myself, not sure, but has thought been given =
to P
removal from the affected fresh water bodies ?
Yt, Dave Webster, Kentville=20
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 8.00.6001.19190">
<STYLE></STYLE>
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<BODY=20
style=3D"WORD-WRAP: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space"=20
bgColor=3D#ffffff>
<DIV><FONT size=3D2>Hi All, =20
Apr 4,=20
2012</FONT></DIV>
<DIV><FONT size=3D2> I just skimmed through the =
Brylinsky report=20
and, from the passages I hit, several points stand out.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2> Normally phosphate is immobile in =
soil=20
until the soil colloids become supersaturated, and this takes a lot of=20
P, so it has seemed strange all along that P was somehow =
reaching=20
waterways.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2> The absence of real soil may be a =
key=20
aspect because phosphate would pass over/through a bog or swamp =
like bran=20
through a loose goose. And some of these drainage ways are very wet. =
Whether=20
swamp/bog drainage ways and hi P input points register is another=20
matter.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2> Superphosphate readily reacts =
with free=20
ammonia to form diammonium phosphate (DAP) which, in P terms, is =
about 20=20
times as soluble as superphos. I would expect DAP to be the mobile =
form.=20
This agrees with Appendix 1 where samples high in P are also high in=20
NH4.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>Yt, Dave Webster, Kentville</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2> </FONT></DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"=20
dir=3Dltr>
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
<A title=3Djimwolford@eastlink.ca =
href=3D"mailto:jimwolford@eastlink.ca">James W.=20
Wolford</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dnaturens@chebucto.ns.ca=20
href=3D"mailto:naturens@chebucto.ns.ca">NatureNS</A> ; <A=20
title=3Dmike.brylinsky@acadiau.ca =
href=3D"mailto:mike.brylinsky@acadiau.ca">Mike=20
Brylinsky</A> ; <A title=3Danna.redden@acadiau.ca=20
href=3D"mailto:anna.redden@acadiau.ca">Anna Redden</A> ; <A=20
title=3Djoancz@ns.sympatico.ca =
href=3D"mailto:joancz@ns.sympatico.ca">Joan=20
Czapalay</A> ; <A title=3Dbancroftreed@auracom.com=20
href=3D"mailto:bancroftreed@auracom.com">Bob Bancroft</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Wednesday, April 04, 2012 =
1:42=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [NatureNS] re mink =
farms &=20
phosphorus pollution in sw. lakes</DIV>
<DIV><BR></DIV>John's remarks about the superphosphate may have come =
from the=20
article of Apr. 2/12 on the cbc.ca/news/ CBC News Web site, =
and/or=20
possibly from the Yarmouth newspaper, The Vanguard? The two =
articles I=20
read (incl. the Herald of Apr. 3) indicate that the N.S. Dept. of =
Environment=20
is working on the draft regulations for fur farms and working to make =
them=20
come into effect rather than remain as "drafts". Both of the =
reports for=20
N.S. Environment were done by Mike Brylinsky of the Acadia Centre for=20
Estuarine Research at Acadia Univ. The reports are available on =
line at=20
gov.ns.ca/environment/ by searching under "mink", and the most recent =
report=20
is dated Feb. 2012 (based on monitoring in 2009, 2010, & 2011.
<DIV><BR></DIV>
<DIV>Jim in Wolfville.<BR>
<DIV><BR>
<DIV>Begin forwarded message:</DIV><BR =
class=3DApple-interchange-newline>
<BLOCKQUOTE type=3D"cite">
<DIV style=3D"MARGIN: 0px"><FONT style=3D"FONT: 12px Helvetica; =
COLOR: #000000"=20
color=3D#000000 size=3D3 face=3DHelvetica><B>From: </B></FONT><FONT=20
style=3D"FONT: 12px Helvetica" size=3D3 face=3DHelvetica>John and =
Nhung <<A=20
=
href=3D"mailto:nhungjohn@eastlink.ca">nhungjohn@eastlink.ca</A>></FONT=
></DIV>
<DIV style=3D"MARGIN: 0px"><FONT style=3D"FONT: 12px Helvetica; =
COLOR: #000000"=20
color=3D#000000 size=3D3 face=3DHelvetica><B>Date: </B></FONT><FONT=20
style=3D"FONT: 12px Helvetica" size=3D3 face=3DHelvetica>April 3, =
2012 8:57:53 PM=20
ADT</FONT></DIV>
<DIV style=3D"MARGIN: 0px"><FONT style=3D"FONT: 12px Helvetica; =
COLOR: #000000"=20
color=3D#000000 size=3D3 face=3DHelvetica><B>To: </B></FONT><FONT=20
style=3D"FONT: 12px Helvetica" size=3D3 face=3DHelvetica><A=20
=
href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</A></FONT=
></DIV>
<DIV style=3D"MARGIN: 0px"><FONT style=3D"FONT: 12px Helvetica; =
COLOR: #000000"=20
color=3D#000000 size=3D3 face=3DHelvetica><B>Subject: =
</B></FONT><FONT=20
style=3D"FONT: 12px Helvetica" size=3D3 face=3DHelvetica><B>RE: =
[NatureNS]=20
Mink</B></FONT></DIV>
<DIV style=3D"MARGIN: 0px"><FONT style=3D"FONT: 12px Helvetica; =
COLOR: #000000"=20
color=3D#000000 size=3D3 face=3DHelvetica><B>Reply-To: =
</B></FONT><FONT=20
style=3D"FONT: 12px Helvetica" size=3D3 face=3DHelvetica><A=20
=
href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</A></FONT=
></DIV>
<DIV style=3D"MARGIN: 0px; MIN-HEIGHT: 14px"><BR></DIV>
<DIV style=3D"MARGIN: 0px">Hmm...<SPAN =
class=3DApple-converted-space> =20
</SPAN>The logistics sound horrendous.<SPAN=20
class=3DApple-converted-space> </SPAN>Guess the cattails are =
doing=20
some</DIV>
<DIV style=3D"MARGIN: 0px">of that , but not enough.</DIV>
<DIV style=3D"MARGIN: 0px; MIN-HEIGHT: 14px"><BR></DIV>
<DIV style=3D"MARGIN: 0px">Interesting:<SPAN=20
class=3DApple-converted-space> </SPAN>Looks as if only some =
farms are=20
causing a problem, and use of</DIV>
<DIV style=3D"MARGIN: 0px">superphosphate has been implicated.<SPAN=20
class=3DApple-converted-space> </SPAN>It would be good to know =
why=20
certain</DIV>
<DIV style=3D"MARGIN: 0px">farms are associated with increases in =
nutrient=20
level in nearby waterways</DIV>
<DIV style=3D"MARGIN: 0px">and others are not. <SPAN=20
class=3DApple-converted-space> </SPAN></DIV>
<DIV style=3D"MARGIN: 0px; MIN-HEIGHT: 14px"><BR></DIV>
<DIV style=3D"MARGIN: 0px">-----Original Message-----</DIV>
<DIV style=3D"MARGIN: 0px">From: naturens-owner@chebucto.ns.ca [<A=20
=
href=3D"mailto:naturens-owner@chebucto.ns.ca">mailto:naturens-owner@chebu=
cto.ns.ca</A>]</DIV>
<DIV style=3D"MARGIN: 0px">On Behalf Of David & Alison =
Webster</DIV>
<DIV style=3D"MARGIN: 0px">Sent: April-03-12 8:35 PM</DIV>
<DIV style=3D"MARGIN: 0px">To: <A=20
=
href=3D"mailto:NatureNS@chebucto.ns.ca">NatureNS@chebucto.ns.ca</A></DIV>=
<DIV style=3D"MARGIN: 0px">Subject: [NatureNS] Mink</DIV>
<DIV style=3D"MARGIN: 0px; MIN-HEIGHT: 14px"><BR></DIV>
<DIV style=3D"MARGIN: 0px">Dear All,<SPAN =
class=3DApple-converted-space> =20
</SPAN>Apr 3, =
2012</DIV>
<DIV style=3D"MARGIN: 0px"><SPAN =
class=3DApple-converted-space> =20
</SPAN>I notice in today's Chr. Hrld. that mink farming has once =
again=20
been</DIV>
<DIV style=3D"MARGIN: 0px">linked to phosphate pollution of =
waterways.</DIV>
<DIV style=3D"MARGIN: 0px; MIN-HEIGHT: 14px"><BR></DIV>
<DIV style=3D"MARGIN: 0px"><SPAN =
class=3DApple-converted-space> =20
</SPAN>I may be repeating myself, not sure, but has thought been =
given to=20
P</DIV>
<DIV style=3D"MARGIN: 0px">removal from the affected fresh water =
bodies=20
?</DIV>
<DIV style=3D"MARGIN: 0px; MIN-HEIGHT: 14px"><BR></DIV>
<DIV style=3D"MARGIN: 0px">Yt, Dave Webster, Kentville<SPAN=20
class=3DApple-converted-space> </SPAN></DIV>
<DIV=20
style=3D"MARGIN: 0px; MIN-HEIGHT: =
14px"><BR></DIV></BLOCKQUOTE></DIV><BR></DIV>
<HR SIZE=3D1 noShade>
<A></A>
<P class=3Davgcert align=3Dleft color=3D"#000000">No virus found in =
this=20
message.<BR>Checked by AVG - <A=20
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Database: 2113/4909 - Release Date: =
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