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  • From: Killian O'Brien <admin@pri-de.org>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] Carbon sequestration in city question
  • Date: Fri, 29 Oct 2010 13:05:19 -0400

The key with trees is they are considered long-term carbon neutral, so you
have to show long-term sequestration. One reason they are considered carbon
neutral, however, is the root systems may not be getting counted, so make
sure that biomass gets counted. Use plants with extensive root systems where
you can, of course, and fast-growing to increase end-of-life cycle
sequestration by speeding up generations. It's going to be important to show
how the carbon can be put into the soil. Trees that can be coppiced for use
as building materials, mulch or biochar (not a favorite of mine just yet..
conflicting info in terms of sequestration) might be a good choice, such as
black... elm? Dang.. it's escaping me at the moment.

All fairly obvious, but thought I'd offer a quick response just in case there
was a small point not yet considered.

Cheers,

Killian O'Brien
PRI-De
admin@pri-de.org
www.pri-de.net
(313) 647-4015

killiankob@yahoo.com
(760) 617-4693

-----Original Message-----
From: permaculture-bounces@lists.ibiblio.org
[mailto:permaculture-bounces@lists.ibiblio.org] On Behalf Of Cory
Sent: Friday, October 29, 2010 11:16 AM
To: permaculture
Subject: [permaculture] Carbon sequestration in city question

I'm in discussion with some officials who are planning tree planting for
carbon sequestration in an urban environment in fl. Would love to get input
and creative ideas from others on doing this for maximum effectiveness. Sandy
soils, some freezes, but generally subtropical. I'm looking at using biochar
and organic matter from waste stream, planting edibles and natives, etc.
Looking to max carbon sequestration as we will get more trees planted if we
can demonstrate this.
Cory







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