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Dear All,
As the year end approaches on this windy Christmas day I wish to extend=20
some greetings.
May you all be blessed with long life, happiness, a well maintained=20
crap detector and thereby the ability to distinguish uncomfortable fact=20
from comfortable fiction.
According to an article in the Chron. Hrld. (Dec 22, Climate change=20
next year's major issue); a reported 5.4% of Canada's forest was lost to=20
bugs and fire while 0.2% was harvested in 2016. Some of that harvested=20
wood will store carbon until rot or fire releases it. All of that carbon=20
in burned or dead wood will be released in time.
And woodland, left untouched and unaffected by harvesting, fire or=20
pest soon reaches a steady state in which carbon captured per year=20
equals carbon released by biological activity in and above soil. So=20
woodland, as a means to store carbon, while no doubt better than barren=20
roads and parking lots, is effective only as a reservoir which may=20
sometimes drain more rapidly than it fills.
But charcoal does not decay and charcoal buried to depths of 2-3=20
metres is potentially a way to store atmospheric carbon permanently=20
while vastly increasing the growth potential of woodland soils. This is=20
illustrated by terra preta; much inert carbon stored at depth and=20
fertile soil in a region noted for rapid soil degradation.
This is already too long. Later today I hope to describe the forest=20
potential of good soil based on experience in one small patch.
YT, DW, Kentville
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<body><div>Dear All,</div>As the year end approaches on this windy Christma=
s day I wish to extend some greetings.<br />=C2=A0 =C2=A0 May you all be b=
lessed with long life, happiness, a well maintained crap detector and there=
by the ability to distinguish uncomfortable fact from comfortable fiction.<=
br />=C2=A0 =C2=A0 According to an article in the Chron. Hrld. (Dec 22, Cli=
mate change next year's major issue); a reported 5.4% of Canada's forest wa=
s lost to bugs and fire while 0.2% was harvested in 2016. Some of that harv=
ested wood will store carbon until rot or fire releases it. All of that car=
bon in burned or dead wood will be released in time. <br />=C2=A0 =C2=A0 An=
d woodland, left untouched and unaffected by harvesting, fire or pest soon=
reaches a steady state in which carbon captured per year equals carbon rele=
ased by biological activity in and above soil. So woodland, as a means to s=
tore carbon, while no doubt better than barren roads and parking lots, is e=
ffective only as a reservoir which may sometimes drain more rapidly than it =
fills. <br />=C2=A0 =C2=A0 But charcoal does not decay and charcoal buried =
to depths of 2-3 metres is potentially a way to store atmospheric carbon p=
ermanently while vastly increasing the growth potential of woodland soils.=
This is illustrated by terra preta; much inert carbon stored at depth and f=
ertile soil in a region noted for rapid soil degradation.<br />=C2=A0 =C2=
=A0 This is already too long. Later today I hope to describe the forest pot=
ential of good soil based on experience in one small patch.<br />YT, DW, Ke=
ntville=C2=A0
</body></html>
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