Images

Acoustic receivers detect and process the acoustic signal from the telemetry tags telling the tracking crew which direction to go to find the fish, and even which fish it is.

Acipenseriformes (sturgeon and paddlefish) larvae are somewhat easy to spot in the field thanks to their large yolk sac (yellow arrow).  However, a microscope is necessary to differentiate between the two. 

An endangered Burrowing Owl near a site in Cape Coral, FL.

The Coachella Canal is an aqueduct that diverts water from the Colorado River to the Coachella Valley, making possible the extensive agriculture production that drives the economy in this arid region of the United States.

Scientist Joe Svetek pauses to record notes in his dump-truck-turned-mobile-office at one of the many seismic shot hole locations of the 2011 Salton Seismic Imaging Project.

Photo taken before Storm Event at the Laguna Cartagena USFWS Wildlife Refuge.

Scientists electrofish low-salinity shorelines, Tarpon Bay, Everglades National Park.

Scientists explore mangroves in a beach environment, Cape Sable, FL.

Gage House 05114000 located near Sherwood, North Dakota along the Souris River. USGS personnel were there there to measure the streamflow. The picture to the left was taken on April 11, 2011, streamflow of approximately 2,790 cubic feet per second and a stage approximately 18.91 feet. The picture to the right was taken on June 22, 2011.

Standing on the Earth and Dam at Cougar as the fog rolled in between the snow capped mountains.

The view of Cougar Dam and the fish facility from the upper cliff side. 

Scientists hike up the Little Colorado River to assist in installing remote PIT tag readers to more efficiently keep track of native, endangered fish populations.

An impulsive alternative energy program subsidized farmers who allowed windmill construction but did not account for maintaining the resource.

Following several collapses and small explosive events that deposited spatter on the floor of Halema'uma'u crater around noon, the lava surface in Halema'uma'u was roiling and agitated for the remainder of the afternoon, with numerous points of upwelling and spattering.

Benthos sampling at Crane Creek, OH.

Blue Heron.

Angled shot of butterfly on a flower.

Solomon Gulch Top of Falls gage house in spring.

Hydrographer C.S. Couvillion drilling Willow Creek for ice discharge measurement.

Weather Station on Tern Island in the middle of Crump Lake protected by bird spikes.

Hydroacoustic mapping boat R/V Lucien Brush mapping habitat during high water in the North Overton Bottoms Side-channel chute.