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--></style><title>Tree mortality in the West: Forests not at risk
from fire</title></head><body>
<div><font face="Geneva" size="-1">"Tree mortality in relatively
undisturbed old-growth forests across the West has risen even when not
triggered by wildfires or insect infestations."</font></div>
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<div><font face="Geneva" size="-1">"Human-caused global warming
is driving these detrimental effects by bringing hotter and drier
conditions, which not only cause their own effects but amplify those
of other stresses. An exceptionally hot and dry stretch from 1999 to
2003 produced unusually severe impacts on the region's forests. If
these trends continue, even hotter and drier conditions could become
commonplace, leading to even greater effects on Rocky Mountain
forests."</font></div>
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<div><font face="Geneva"
size="-2"
>http://www.ucsusa.org/sites/default/files/attach/2014/09/Rocky-Mount<span
></span>ain-Forests-at-Risk-Full-Report.pdf</font></div>
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<div><font face="Geneva" size="-1" color="#000000">"Mammals in
the study region face an uncertain future. The negative impact of
drought, the short-lived nature of post-drought recovery and, now, the
possibility of a new drought beginning forewarn of further
declines."</font><br>
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<div><font face="Arial" size="-1" color="#000000">Susannah Hale et al.
Fire and climatic extremes shape mammal distributions in a fire-prone
landscape,<i> Diversity and Distributions,</i> Early View - Online
Version of Record before inclusion in an issue. August 24,
2016 </font><font face="Bookman Old Style" size="-1"
color="#000000"> </font><font face="Bookman Old Style" size="-1"
color="#0040C2"><u>
http://onlinelibrary.wiley.com/doi/10.1111/ddi.12471/full</u></font></div
>
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<div><font face="Lucida Grande" size="-1"
color="#000000">"Climate change is not a new topic in biology.
The study of biological impacts of climate change has a rich history
in the scientific literature, since long before there were political
ramifications </font><font face="Geneva" size="-1"
color="#000000"> ..... Observations of range shifts in parallel with
climate change ... date back to the mid-1700s."</font><font
face="Lucida Grande" size="-1" color="#000000"><br>
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"A surprising result is the high proportion of species responding to
recent, relatively mild climate change (global average warming of
0.6C). The proportion of wild species impacted by climate change was
estimated at 41% of all species (655 of 1598)."</font></div>
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<div><font face="Lucida Grande" size="-1" color="#000000">Parmesan,
Camille. "Ecological and Evolutionary Responses to Recent Climate
Change." </font></div>
<div><font face="Lucida Grande" size="-1" color="#000000">Annual
Review of Ecology, Evolution, and Systematics. 2006.
37: 637-69</font></div>
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