The oldest and largest trees within California's world famous Yosemite National Park are disappearing. Climate change appears to be a major cause of the loss. The revelation comes from an analysis of data collected over 60 years by forest ecologists.
http://news.bbc.co.uk/earth/hi/earth_news/newsid_8063000/8063392.stm
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Re: Yosemite's giant trees disappear
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May 22, 2009 02:08PM |
May 22, 2009 02:18PM |
May 22, 2009 02:20PM |
May 22, 2009 03:07PM |
Is there ever any?
Anyway... I'm a bit confused about this statement:
"White Firs (Abies concolor), Lodgepole Pines (Pinus contorta) and Jeffrey Pines (Pinus jeffreyi) were affected the most.
Smaller size trees were unaffected."
I know what lodgepole pines look like and know they CAN grow pretty large but I've never seen any huge diameter trees.
Also know that the valley used to have FAR fewer trees than it now does... maybe other portions of the park
have the same thing going on... ???
Dinosaurs roamed the earth at one time too...
Anyway... I'm a bit confused about this statement:
"White Firs (Abies concolor), Lodgepole Pines (Pinus contorta) and Jeffrey Pines (Pinus jeffreyi) were affected the most.
Smaller size trees were unaffected."
I know what lodgepole pines look like and know they CAN grow pretty large but I've never seen any huge diameter trees.
Also know that the valley used to have FAR fewer trees than it now does... maybe other portions of the park
have the same thing going on... ???
Dinosaurs roamed the earth at one time too...
May 22, 2009 07:12PM |
May 22, 2009 07:19PM |
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