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Old 06-19-2015, 02:26 PM
 
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I made this by taking a satellite image and editing it on GIMP to increase the contrast. Generally speaking the dark green areas are forested, though some (not all) of the lighter green areas are also lightly wooded, just not at a sufficient enough density with a canopy to count as a "forest".

What's interesting to me is how little forest the West has outside of the coastal Northwest and northern Rockies of northern Idaho and Western Montana. Wyoming, Utah, New Mexico, Arizona and Colorado are mostly devoid of trees like Nevada except in the altitude belts of mountain ranges where it's wet enough and not too cold for tree growth.



Excluding the Northwest Coast and Northern Rockies bastions I'd wager that only 10 to 15 percent of the western US is forested, and with their inclusion maybe 25 percent of the region.
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Old 06-19-2015, 03:16 PM
chh
 
Location: West Michigan
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No trees in the desert? Crazy! I'm not really surprised, I didn't see a single wooded area when I visited the valley.
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Old 06-19-2015, 03:48 PM
 
Location: Western Colorado
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People are always surprised that Colorado is mostly brown. A semi arid high desert.
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Old 06-19-2015, 04:23 PM
 
Location: Scottsdale, AZ
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Who is seriously shocked that an area of the country that consists of mostly desert doesnt have dense forests?
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Old 06-19-2015, 06:02 PM
 
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Quote:
Originally Posted by BIG CATS View Post
Who is seriously shocked that an area of the country that consists of mostly desert doesnt have dense forests?
I think everyone knows the Southwest is arid. What's surprising perhaps is that most of the Northwest is either semi-arid scrub or high prairie too. People have this image of everything between the Pacific and Dakotas as being chock full of salmon, trees, and snowcapped mountains but it's really only modestly sized parts that are actually like that. Most of it looks like western Nebraska.
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Old 06-20-2015, 08:02 PM
 
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USGS Fact Sheet 2012?3020: The National Land Cover Database
Click on the picture for pdf. Nice map.
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Old 06-20-2015, 08:27 PM
 
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Quote:
Originally Posted by George Frankly View Post
USGS Fact Sheet 2012?3020: The National Land Cover Database
Click on the picture for pdf. Nice map.
Beautiful map. Yeah it seems to include woodlands as being "forests", a lot of the green it shows is actually very sparse. It's subjective of course.
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Old 06-20-2015, 08:37 PM
 
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Quote:
Originally Posted by Mini-apple-less View Post
Beautiful map. Yeah it seems to include woodlands as being "forests", a lot of the green it shows is actually very sparse. It's subjective of course.
Biomass might be more your interest then:
NACP Aboveground Biomass and Carbon Baseline Data (NBCD 2000), U.S.A., 2000
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Old 06-20-2015, 08:44 PM
 
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Originally Posted by George Frankly View Post
Yup this is more what I'm looking for. Nice find!
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Old 06-20-2015, 09:29 PM
 
Location: Phoenix
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27% of Arizona is forested.

Here's an old thread you may be interested in: Forest Cover by Percent, US States
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