permaculture

[Killian O'Brien <admin@pri-de.org>]

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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