Images

A USGS scientist preparing a soil monitoring station for winter, with a view of Mt. Baldy in the Colorado Elk Mountains.

A forest trail meanders through a grove of Aspen trees in Colorado during early autumn.

Vegetation growth is assisting the Muddy Creek channel in becoming deeper and narrower (Carbon County, Wyoming).  Photo by Patrick Anderson (USGS)

Mountain yellow-legged frog habitat found in a riparian area of Los Angeles County.

Mountain yellow-legged frogs (Rana muscosa) in their transport containers being acclimated to their new habitat, Los Angeles County.

Newly released mountain yellow-legged frogs (Rana muscosa), Los Angeles County. Mountain yellow-legged frogs were bread and captivity then released.

Bison waiting by field technician's truck after a sample collection in Montana.  

The 6 components that comprise READI-Net are each represented by an interlocking hexagon, illustrating the multi-dimensional aspect of the project including: Autonomous eDNA samplers, Broad spectrum surveillance, Where & when to sample, Lab analysis standards, Information framework, and Communication. 

The 6 components that comprise READI-Net are each represented by an interlocking hexagon, illustrating the multi-dimensional aspect of the project including: Autonomous eDNA samplers, Broad spectrum surveillance, Where & when to sample, Lab analysis standards, Information framework, and Communication. 

A filter from the Smith-Root sampler that collects eDNA when water is pushed through. This pattern is indicative of turbid water passing through the filter.

Big Sheep Canyon, Red Rock Lakes National Wildlife Refuge, Centennial Mountains, southern Montana.

Water tracing dye was injected into a stream in Leadville, Colorado, to identify locations of metal loading and to guide geophysical measurements.

University of Idaho Doris Duke Scholars at the USFWS National Conservation Training Center. From left to right, standing: Orion Cardenas-Ritzert, Abigain Cano Perez, Dr. Kerri Vierling (faculty co-advisor), Zander Zuniga; in front, Emily Cook. Photograph by co-advisor Courtney Conway.

Photographs from a colony of boulder brain coral (Colpophyllia natans) found losing tissue in Biscayne Bay, Miami, FL, US. (A). In situ photograph. An area of prior tissue loss is covered in algal overgrowth (O), new loss is evidenced by white, bare skeleton not yet overgrown by algae (S), and intact healthy-appearing tissue is greenish brown (H).

USGS field technician photographing bumble bees captured during monitoring surveys at Logan Pass, Glacier National Park, Montana.

A Saildrone Explorer being towed on Lake Erie at the beginning of a mission to collect data to improve fishery surveys in July 2023.

A Saildrone Explorer being towed in the harbor in Erie, PA at the beginning of a mission to collect data to improve fishery surveys in July 2023.

A Saildrone Explorer being towed on Lake Erie at the beginning of a mission to collect data to improve fishery surveys in July 2023.

A Saildrone Explorer in the harbor being towed out onto Lake Erie for the beginning of a mission to collect data to improve fishery surveys on July 14, 2023.

A Saildrone Explorer in the harbor before its launch on Lake Erie for the beginning of a mission to collect data to improve fishery surveys in July 2023.

A Saildrone Explorer being towed through the harbor in Erie, PA at the beginning of a mission to collect data to improve fishery surveys in July 2023.