Images

Secretary of the Interior Sally Jewell joined a Partners in Science river trip in Grand Canyon. She stands here at the Elves Chasm waterfall with trip participants, river guides, Grand Canyon Youth director Emma Wharton, and Grand Canyon Monitoring and Research Center chief Scott Vanderkooi. 

Researchers and Partners in Science trip participants record lengths and weights of fish captured in hoopnets along the Colorado River in Grand Canyon.

An adult caddisfly, an emergent aquatic insect. Photo by Eric Kortenhoeven, USGS.

Bighorn sheep in Grand Canyon, AZ. Photo by USGS, Southwest Biological Science Center.

Boat equipped with singlebeam sonar for mapping the bed of a river at shallow depths along the shoreline of the Colorado River.

Surveying an exposed sandbar along the bank of the Colorado River, Grand Canyon, May 2014. Photo by USGS, public domain.

Glen Canyon Dam jet tubes releasing water into the Colorado River for a high flow experiment. The increase in flow of the Colorado River downstream of the dam mobilizes sand at the bottom of the river and that sand rebuilds sandbars in Grand Canyon.

High school students observe a canyon tree frog that is climbing a canyon wall. Students were on a river trip in Grand Canyon Youth through Partners in Science, a collaboration with USGS and NPS.

Array of three single-frequency side-looking acoustic-Doppler profilers used to measure suspended-sediment concentration and grain size at the Colorado River near Grand Canyon, Arizona, gaging station.  From top to bottom: 2-MHz Nortek EasyQ, 600-kHz Nortek Aquadopp, and 1-MHz Nortek EasyQ acoustic-Doppler profilers.  Photograph taken at low water on Novem

U.S. Bureau of Reclamation works with USGS SBSC Grand Canyon Monitoring and Research Center on water quality monitoring in Lake Powell. Robert Radtke checks a line of temperature loggers deployed in Lake Powell near the dam.

Burrowing owl defense display at a desert tortoise burrow, captured during remote camera monitoring of Agassiz's desert tortoise burrows on a wind energy facility near Palm Springs, CA.

A photo of a burrowing owl defense display at an Agassiz’s desert tortoise (Gopherus agassizii) burrow. Photo taken during remote camera trap monitoring of tortoise burrows on a wind energy facility Palm Springs, California, USA. The study, led by the USGS Southwest Biological Science Center, investigated bird use of desert tortoise burrows.

A photo of a rock wren collecting a grasshopper, captured by remote camera monitoring of Agassiz's desert tortoise burrows on a wind energy facility near Palm Springs, CA. The study, led by the USGS Southwest Biological Science Center, investigated bird use of desert tortoise burrows.

Researchers monitoring sandbars on the Colorado River, in Grand Canyon National Park. USGS photo, public domain.

A photo of a roadrunner next to a desert tortoise burrow, captured by remote camera monitoring of Agassiz's desert tortoise burrows on a wind energy facility near Palm Springs, CA. The study, led by the USGS Southwest Biological Science Center, investigated bird use of desert tortoise burrows.

A photo of a rock wren taking a dust bath, captured by remote camera monitoring of Agassiz's desert tortoise burrows on a wind energy facility near Palm Springs, CA. The study, led by the USGS Southwest Biological Science Center, investigated bird use of desert tortoise burrows.

Mature biocrusts with lichen. Photo taken by the SBSC in Utah during surveys, courtesy of Erika Geiger, 2013.

Loggerhead shrike hunting display at an Agassiz's desert tortoise burrow. Images taken during remote camera trap monitoring of desert tortoise burrows on a wind energy facility near Palm Springs, CA.

A loggerhead shrike hunting display in front of a desert tortoise burrow, during remote camera monitoring of Agassiz's desert tortoise burrows on a wind energy facility near Palm Springs, CA. The study, led by the USGS Southwest Biological Science Center, investigated bird use of desert tortoise burrows.

A photo of a cactus wren gathering nesting material, captured by remote camera monitoring of Agassiz's desert tortoise burrows on a wind energy facility near Palm Springs, CA. The study, led by the USGS Southwest Biological Science Center, investigated bird use of desert tortoise burrows.

A western yellow-billed cuckoo (Coccyzus americanus occidentalis) sits in a cottonwood tree at Montezuma Well, Arizona, 2013. Photo by Gary Botello, used with written permission.