[Terrapreta] Fwd: Scientific American Story on CharcoalDecomposition

Duane Pendergast still.thinking at computare.org
Fri May 2 09:54:59 CDT 2008


Here is another article Google Scholar identified, from 1996, co-authored by
David Wardle. He has been thinking about charcoal and soil  a lot longer
than most of us.

 

http://md1.csa.com/partners/viewrecord.php?requester=gs
<http://md1.csa.com/partners/viewrecord.php?requester=gs&collection=ENV&reci
d=3993796&q=&uid=792005974&setcookie=yes>
&collection=ENV&recid=3993796&q=&uid=792005974&setcookie=yes

 

Duane

 

 

-----Original Message-----
From: terrapreta-bounces at bioenergylists.org
[mailto:terrapreta-bounces at bioenergylists.org] On Behalf Of folke Günther
Sent: May 2, 2008 8:24 AM
To: 'Terra Preta'
Subject: [Terrapreta] Fwd: Scientific American Story on
CharcoalDecomposition

 

 

---------- Forwarded message ----------
From: folke Günther <folkeg at gmail.com>
Date: 2008/5/2
Subject: Re: [Terrapreta] Scientific American Story on Charcoal
Decomposition
To: still.thinking at computare.org


Here is the summary in Science:


Science 2 May 2008:
Vol. 320. no. 5876, p. 629
DOI: 10.1126/science.1154960

Prev <http://www.sciencemag.org/cgi/content/short/320/5876/626>  | Table of
Contents <http://www.sciencemag.org/content/vol320/issue5876/index.dtl>  |
Next <http://www.sciencemag.org/cgi/content/short/320/5876/630>  


Brevia


Fire-Derived Charcoal Causes Loss of Forest Humus


David A. Wardle,* Marie-Charlotte Nilsson, Olle Zackrisson 

Fire is a global driver of carbon storage and converts a substantial
proportion of plant biomass to black carbon (for example, charcoal), which
remains in the soil for thousands of years. Black carbon is therefore often
proposed as an important long-term sink of soil carbon. We ran a 10-year
experiment in each of three boreal forest stands to show that fire-derived
charcoal promotes loss of forest humus and that this is associated with
enhancement of microbial activity by charcoal. This result shows that
charcoal-induced losses of belowground carbon in forests can partially
offset the benefits of charcoal as a long-term carbon sink. 

Department of Forest Ecology and Management, Swedish University of
Agricultural Sciences, SE901-83 Umeå, Sweden. 

* To whom correspondence should be addressed. E-mail:
david.wardle at svek.slu.se

2008/5/2 Duane Pendergast <still.thinking at computare.org>:

Google found this shallow story for me. I hope this is not a redundant
posting. 

 

http://www.sciam.com/article.cfm?id=charcoal-in-burned-forests-no-way-to-sto
re-carbon

 

Duane

 

 

 

 

 

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-- 
----------------------------------------
Folke Günther
Kollegievägen 19
224 73 Lund
Sweden
Phone: +46 (0)46 141429
Cell: +46 (0)709 710306
URL: http://www.holon.se/folke
BLOG: http://folkegunther.blogspot.com/ 

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