[MCN] (no subject)

[Lance Olsen]

"Our review is focused on recent publications 
that discuss the changes in commercial forestry, 
excluding the ecosystem functions of forests and 
nontimber forest products."

"The response of forestry to global warming is 
likely to be multifaceted. On some sites, species 
more appropriate to the climate will replace the 
earlier species that is (sic) no longer suited to 
the climate. Also, planted forests can be 
relocated to more regions with more suitable 
climates. In general, we would expect planting 
and associated forestry operations to tend more 
toward higher latitudes, especially from some 
tropical sites, should they warm substantially. 
Plantations would likely shift toward more 
subtropical regions from tropical ones. In the 
United States, we might expect to see planted 
forest moving northward, with more spilling over 
into Canada. In Latin America forest plantations 
may shift toward southern Brazil and Argentina. 
In some cases the same sites will be used but the 
choice of species will change to those more 
suitable to the new climate."

Andrei P. Kirilenko and Roger A. Sedjo. Climate 
change impacts on forestry.  PNAS © 2007 by The 
National Academy of Sciences of the USA.

Full report here: http://www.pnas.org/content/104/50/19697.full
-- 

-------------------------------------------------------------------------------------------------------------------------------
"We demonstrate that wildfire area burned (WFAB) 
in the American West was controlled by climate 
during the 20th century (1916-2003).    .... 
Despite the possible influence of fire 
suppression, exclusion, and fuel treatment, WFAB 
is still substantially controlled by climate. "

Jeremy S. Littell et al. Climate and wildfire 
area burned in western U.S. ecoprovinces, 
1916-2003. Ecological Applications, 19(4), 2009, 
pp. 1003-1021
-------------------------------------------------------------------------------------------------------------
"Tree mortality in relatively undisturbed 
old-growth forests across the West has risen even 
when not triggered by wildfires or insect 
infestations."
http://www.ucsusa.org/sites/default/files/attach/2014/09/Rocky-Mountain-Forests-at-Risk-Full-Report.pdf
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"Drought and heat-induced tree mortality is 
accelerating in many forest biomes as a 
consequence of a warming climate, resulting in a 
threat to global forests unlike any in recorded 
history (1-12)."

"   Š.  we conclude with high certainty that 
today's forests are going to be subject to 
continued increases in mortality rates that will 
result in substantial reorganization of their 
structure and carbon storage."

Nathan G. McDowell and Craig D. Allen. Darcy's 
law predicts widespread forest mortality under 
climate warming.
Nature Climate Change. Published online 18 MAY 2015
DOI: 10.1038/NCLIMATE2641


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