National Park Service LogoU.S. Department of the InteriorNational Park ServiceNational Park Service
National Park Service:  U.S. Department of the InteriorNational Park Service Arrowhead
Arches National ParkBighorn Sheep
view map
text size:largestlargernormal
printer friendly
Arches National Park
Environmental Factors
 
The roots of a blackbrush exposed by soil erosion
NPS Photo by Neal Herbert
The roots of a blackbrush exposed by soil erosion
 

(NPS Photo by Tom Gray)

Sunset over the three gossips

Although Arches may appear harsh and unchanging, the desert ecosystem is continually evolving. Weather, climatic shifts and geologic processes continue to shape this environment as they have for millennia.

More recently, human-caused factors such as air, noise and water pollution, as well as introduced species, have had a much greater impact on natural resources world-wide.

The undeveloped landscape of Arches provides an ideal place to study how various environmental factors affect desert ecosystems, and predict what changes might be expected in the future.

Courthouse Wash
Tamarisk
This exotic has invaded the Colorado River and all its tributaries
more...
Cheatgrass
Cheatgrass
Transforming landscapes throughout the American west
more...
Pine Tree Arch  

Did You Know?
There are over 2,000 cataloged arches in Arches National Park. In order to be considered an arch, an opening must measure at least three feet (in any direction).

Last Updated: July 25, 2006 at 00:23 EST