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indigo bunting at the hawk today johnny
> Date: Thu=2C 11 Apr 2013 12:35:17 -0300
> From: patriqui@DAL.CA
> To: naturens@chebucto.ns.ca=3B marymacaulay@hotmail.com
> CC: naturens@chebucto.ns.ca
> Subject: Re: [NatureNS] tree biomass fuel ... calcium loss also critical =
in NS
>=20
> In addition to concerns raised by the Nature article=2C a multi-authored =
=20
> paper published in the Policy Forum of Science in 2009 pointed out =20
> that there is a critical accounting error in the Kyoto Protocol that =20
> allows biomass energy to be treated as carbon neutral=2C regardless of =20
> the source. The error is very large for forest biomass.
>=20
> Searchinger. T.D. et al T.D. et al.=2C 2009. Fixing a Critical Climate =20
> Accounting Error Science 23 October 2009: Vol. 326. no. 5952=2C pp. =20
> 527-528
>=20
> In addition=2C we should be concerned about calcium losses in NS. NS =20
> forests are the most or amongst the most intensively harvested in =20
> Canada=2C half or more of our soils by area are very calcium poor and =20
> highly susceptible to soil acidification=2C and the area is stressed by =
=20
> acid rain. There are worrying signs that for large areas of Nova =20
> Scotia (esp in the SW)=2C significant declines in productivity or other =
=20
> effects of low calcium may be only 1 or 2 rotations away=2C if not =20
> already beginning to happen. Further=2C climatic warming can be =20
> expected to exacerbate these stresses=2C e.g.=2C because the deciduous =20
> species expected to be favoured have higher calcium requirements than =20
> softwood.
>=20
> Intensive forest harvesting can only exacerbate this problem=2C both by =
=20
> direct removal of nutrients and though increased losses from leaching.
>=20
> Loss of salmon from many of our rivers is attributed to acid rain but =20
> also reflects reduced levels of calcium in the upland soils.
>=20
> Birds are also affected=2C see
> http://news.psu.edu/story/155790/2011/09/15/research-shows-soil-calcium-l=
imits-forest-songbirds
>=20
> ...we have many reasons to be concerned about continued clearcutting =20
> in NS=2C and the obscurification of this issue by the current government.
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
> Quoting Mary Macaulay <marymacaulay@hotmail.com>:
>=20
> > One of The Economist leaders this week warns against the trend =20
> > toward using forest biomass as fuel (they call it environmental =20
> > lunacy). It's a great article on page 71 for those who subscribe
> > or at this link
> > http://www.economist.com/news/business/21575771-environmental-lunacy-eu=
rope-fuel-future
> >
> > Please circulate this widely. It's nice to see this highly respected =20
> > journal calling an axe an axe.
> >
> > Mary Macaulay
>=20
>=20
>=20
=
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<body class=3D'hmmessage'><div dir=3D'ltr'>indigo bunting at the hawk today=
<BR> =3B<BR> =3B =3B =3B =3B =3B =3B =3B&nb=
sp=3B =3B =3B =3B =3B =3B =3B =3B =3B =
=3B =3B =3B =3B =3B =3B =3B =3B =3B =3B=
 =3B =3B =3B =3B =3B =3B johnny<br> =3B<BR><div=
><div id=3D"SkyDrivePlaceholder"></div>>=3B Date: Thu=2C 11 Apr 2013 12:3=
5:17 -0300<br>>=3B From: patriqui@DAL.CA<br>>=3B To: naturens@chebucto.=
ns.ca=3B marymacaulay@hotmail.com<br>>=3B CC: naturens@chebucto.ns.ca<br>=
>=3B Subject: Re: [NatureNS] tree biomass fuel ... calcium loss also crit=
ical in NS<br>>=3B <br>>=3B In addition to concerns raised by the Natur=
e article=2C a multi-authored <br>>=3B paper published in the Policy Fo=
rum of Science in 2009 pointed out <br>>=3B that there is a critical acc=
ounting error in the Kyoto Protocol that <br>>=3B allows biomass energy =
to be treated as carbon neutral=2C regardless of <br>>=3B the source. Th=
e error is very large for forest biomass.<br>>=3B <br>>=3B Searchinger.=
T.D. et al T.D. et al.=2C 2009. Fixing a Critical Climate <br>>=3B Acco=
unting Error Science 23 October 2009: Vol. 326. no. 5952=2C pp. <br>>=3B=
527-528<br>>=3B <br>>=3B In addition=2C we should be concerned about c=
alcium losses in NS. NS <br>>=3B forests are the most or amongst the mos=
t intensively harvested in <br>>=3B Canada=2C half or more of our soils =
by area are very calcium poor and <br>>=3B highly susceptible to soil ac=
idification=2C and the area is stressed by <br>>=3B acid rain. There are=
worrying signs that for large areas of Nova <br>>=3B Scotia (esp in the=
SW)=2C significant declines in productivity or other <br>>=3B effects o=
f low calcium may be only 1 or 2 rotations away=2C if not <br>>=3B alrea=
dy beginning to happen. Further=2C climatic warming can be <br>>=3B exp=
ected to exacerbate these stresses=2C e.g.=2C because the deciduous <br>&g=
t=3B species expected to be favoured have higher calcium requirements than =
<br>>=3B softwood.<br>>=3B <br>>=3B Intensive forest harvesting can =
only exacerbate this problem=2C both by <br>>=3B direct removal of nutri=
ents and though increased losses from leaching.<br>>=3B <br>>=3B Loss o=
f salmon from many of our rivers is attributed to acid rain but <br>>=3B=
also reflects reduced levels of calcium in the upland soils.<br>>=3B <br=
>>=3B Birds are also affected=2C see<br>>=3B http://news.psu.edu/story/=
155790/2011/09/15/research-shows-soil-calcium-limits-forest-songbirds<br>&g=
t=3B <br>>=3B ...we have many reasons to be concerned about continued cl=
earcutting <br>>=3B in NS=2C and the obscurification of this issue by th=
e current government.<br>>=3B <br>>=3B <br>>=3B <br>>=3B <br>>=3B=
<br>>=3B <br>>=3B <br>>=3B <br>>=3B <br>>=3B <br>>=3B Quoting =
Mary Macaulay <=3Bmarymacaulay@hotmail.com>=3B:<br>>=3B <br>>=3B &g=
t=3B One of The Economist leaders this week warns against the trend <br>&g=
t=3B >=3B toward using forest biomass as fuel (they call it environmental=
<br>>=3B >=3B lunacy). It's a great article on page 71 for those who =
subscribe<br>>=3B >=3B or at this link<br>>=3B >=3B http://www.econ=
omist.com/news/business/21575771-environmental-lunacy-europe-fuel-future<br=
>>=3B >=3B<br>>=3B >=3B Please circulate this widely. It's nice to =
see this highly respected <br>>=3B >=3B journal calling an axe an axe.=
<br>>=3B >=3B<br>>=3B >=3B Mary Macaulay<br>>=3B <br>>=3B <br>&=
gt=3B <br></div> </div></body>
</html>=
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