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--_e18b934d-0774-4833-854b-971f9004fea0_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 = --_e18b934d-0774-4833-854b-971f9004fea0_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <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>= --_e18b934d-0774-4833-854b-971f9004fea0_--
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