Southwest Biological Science Center

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Grand Canyon sunset from South Rim
April 12, 2013

Grand Canyon sunset from South Rim

Grand Canyon sunset from South Rim taken during USGS field work, April 2013.

Bureau of Land Management truck sprays herbicide in southwestern Idaho as part of a restoration effort. 
December 31, 2012

Truck sprays herbicide in Idaho as part of a restoration effort.

Bureau of Land Management truck sprays herbicide in southwestern Idaho as part of a restoration effort. 

An examination of long-term data for lands managed by the Bureau of Land Management finds that land treatments in the southwestern United States are increasingly large, expensive and related to fire and invasive species control.

Humpback Chub near Little Colorado River confluence
July 1, 2012

Humpback Chub near Little Colorado River confluence

A school of Humpback Chub swimming near Little Colorado River confluence

Researcher with Humpback Chub individual
June 26, 2012

Researcher with Humpback Chub individual

Researcher with Humpback Chub during fish seining efforts

Cattle walking across biological soil crusts in southeastern Utah.
July 31, 2011

Cattle walking across biological soil crusts in southeastern Utah

Cattle walking across biological soil crusts in southeastern Utah.

Climate change combined with overlapping high-intensity land uses are likely to create conditions detrimental to the recreation economy, wildlife habitat, water availability and other resources in hyper-arid landscapes, or drylands, in the future, according to a paper published in Ecosphere

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Dry conditions at cattle water sources in western Colorado.
July 31, 2011

Dry conditions at cattle water sources in western Colorado

Dry conditions at cattle water sources in western Colorado. 

Climate change combined with overlapping high-intensity land uses are likely to create conditions detrimental to the recreation economy, wildlife habitat, water availability and other resources in hyper-arid landscapes, or drylands, in the future, according to a paper published in Ecosphere.

Beach on the Colorado River in Grand Canyon
October 20, 2009

Beach on the Colorado River in Grand Canyon

Beaches in the rough terrain of Grand Canyon are a valued resource by hikers and river runners because they are fairly flat and vegetation free. 

Boat equipped with multibeam sonar surveying the bed of the Colorado River
May 15, 2009

Boat equipped with multibeam sonar

Boat equipped with multibeam sonar surveying the bed of the Colorado River in May 2009. Instrument in foreground is robotic total station that automatically tracks boat location and radios the position to a computer on the boat 20 times per second.

View of sandbar on Colorado River at River Mile 65
May 24, 2008

View of sandbar on Colorado River at River Mile 65

View of reattachment sandbar located near the Carbon Creek drainage on Colorado River (River Mile 65).  Photo is from the long-term sandbar monitoring remote camera time-series archives, and shows the sandbar two months after the 2008 Spring High Flow Event.

Sandbar in Grand Canyon
May 24, 2008

Sandbar in the Colorado River in Grand Canyon

Sandbars in Grand Canyon are influenced by the amount of sand avaiable to build sandbars and the flow of the river, both of which are affected by Glen Canyon Dam. Scientists of SBSC's Grand Canyon Monitoring and Research Center monitor sandbars in Grand Canyon because sandbars are important campsites in the canyon, are riparian habitat for plants and animals, and the sand

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Drilling for mineral resources near Canyonlands National Park, Utah
May 31, 2007

Drilling for mineral resources near Canyonlands National Park, Utah

Drilling for mineral resources near Canyonlands National Park, Utah

Climate change combined with overlapping high-intensity land uses are likely to create conditions detrimental to the recreation economy, wildlife habitat, water availability and other resources in hyper-arid landscapes, or drylands, in the future, according to a paper published in Ecosphere

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