Images

Biologist Sabrina Davenport with a reproductive male pallid sturgeon. 

Wetlands in an arid western landscape.

A research technician holding vial of the sea lamprey sex pheromone, 3kPZS

This image, which shows the tropical estuary of the Ord River in Australia, is part of the Earth as Art 4 series. 

Following the devastating 2010 Haiti earthquake, the USGS has been helping with earthquake awareness and monitoring in the country, with continued support from the U.S. Agency for International Development (USAID).

Methane gas bubbles rise from the seafloor—this type of activity, originally noticed by NOAA Ship Okeanos Explorer in 2012 on a multibeam sonar survey, is what led scientists to the area. Image courtesy of Deepwater Canyons 2013 – Pathways to the Abyss expedition, NOAA-OER/BOEM/USGS.

A species of rockling (Family Lotidae), related to hakes and cods, rests among the mussels. Images courtesy Deepwater Canyons 2013 - Pathways to the Abyss expedition, NOAA-OER/BOEM/USGS.

A lithodid crab seen on a bed of deep sea mussels living near a gas seep 1,600 meters below the surface of the Atlantic Ocean. Images courtesy Deepwater Canyons 2013 - Pathways to the Abyss expedition, NOAA-OER/BOEM/USGS.

Images of the remotely operated vehicle Jason2 sampling a sea urchin in a deep sea mussel community found near a gas seep on the U.S. outer continental shelf. Images courtesy Deepwater Canyons 2013 - Pathways to the Abyss expedition, NOAA-OER/BOEM/USGS.

Following the devastating 2010 Haiti earthquake, the USGS has been helping with earthquake awareness and monitoring in the country, with continued support from the U.S. Agency for International Development (USAID).

Following the devastating 2010 Haiti earthquake, the USGS has been helping with earthquake awareness and monitoring in the country, with continued support from the U.S. Agency for International Development (USAID).

Johnson County water intake weir on the Kansas River.

A U.S. Geological Survey technician collecting water monitoring data at Seal Beach National Wildlife Refuge.

Following the devastating 2010 Haiti earthquake, the USGS has been helping with earthquake awareness and monitoring in the country, with continued support from the U.S. Agency for International Development (USAID).

Following the devastating 2010 Haiti earthquake, the USGS has been helping with earthquake awareness and monitoring in the country, with continued support from the U.S. Agency for International Development (USAID).

Children from a village near Kathmandu greet visitors on May 2, 2013

In 2013, installation of macroinvertebrate sampling devices at seven sites on the Silver Creek Preserve. The sampling devices provide artificial substrate that aquatic insects such as mayflies, caddisflies, and stoneflies can colonize.

Temporary movable plank houses for the students.  Tianquan Elementary School.

Damage to a local school building. Tianquan Elementary School.

Idaho Water Science Center biologists work with Silver Creek Preserve staff and volunteers to collect, examine, identify, measure, and count fish populations.

Before The Nature Conservancy established the Silver Creek Preserve, the watershed had been degraded by years of livestock grazing and overfishing. Preserve managers have been concerned about sedimentation, increasing stream temperatures, and invasive species.