SODBatch A&B SPM Comments co-chair response final ... - ipcc-wg3

Chapter-
Comment
SPM-
961
SPM-
962
para
Batch
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Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
21 A 13 33 13 33 “maintain soil carbon” should be written as “maintain soil carbon
content” or “maintain soil carbon storage”. U.S. Government
(Government of U.S. Department of State)
21 A 13 33 13 33 add as in para 22 below something about climate change mitigation
potential: "C-stocks may become more vulnerable to loss under
climate change or other pressures." See full chapter 8 line 8 page 3.
(Government of Germany)
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
Action
for
chapter
Considerations
by the writing
team
See A-958 Accepted.
(8)
See A-949 Rejected.
Evidence for
overall CC
impact is
uncertain and
will be very
region specific.
Productivity is
some areas
might increase
and in others
decrease.
Increased
productivity in
some regions
may offset
increased
decomposition
from increasing
temperatures so
C stocks in
same areas may
increase. Maybe
a cross
reference to
WGII
“adaptation” is
justified. Not
sufficiently well
established to
highlight in
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