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Explore Search: Aquatic ecosystems

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Photography
Grand Canyon Monitoring and Research Center staff at the USGS table during the Grand Canyon River Guides training, 2024

Grand Canyon Monitoring and Research Center staff at the USGS table during the Grand Canyon River Guides training
Research
Estimating Land Management Effects on Water Quality Status and Trends

USGS leads STAC report on Land Management Effects on Water-Quality Status and Trends

Photography
A flowering head of non-native Phragmites australis ssp. australis (common reed) at the Paria Beach

Non-native Phragmites australis ssp. australis (common reed) at Paria Beach, Glen Canyon
Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Data for assessing the status of resident fish communities in the Eighteenmile Creek Area of Concern, New York

Photography
A metal boat tied up at a landing at Lees Ferry, Colorado River, with a kayaker on the water and a person on the far shore.

A boat at a landing and a kayak on the water at Lees Ferry, Colorado River, Grand Canyon
Research
Smallmouth Bass

Smallmouth bass expansion downstream of Glen Canyon Dam

Photography
Gloved hands hold a splotchy frog

Another Columbia spotted frog (Rana luteiventris) collected for methylmercury sampling in Montana.
Satellite imagery
Landsat Level-3 Dynamic Surface Water Extent of the Chesapeake Bay

Landsat Level-3 Dynamic Surface Water Extent of the Chesapeake Bay
Research
Sea lamprey

Fish locomotion and biomechanics as limiting and optimizing factors in fish passage

Research
Collecting near-shore bathymetry data

Improving ecological flow science in the mainstem Delaware through WaterSMART

Photography
Lauren Tango staff photo, smiling, wearing a life jacket, in a boat working in the field, on Colorado River in Grand Canyon

Lauren Tango staff photo
Project
A map showing the Clinch River in Virginia

Clinch River Water Quality and Mussel Health

Activity
USGS scientist, Jeffrey Writer, holding a stone from Boulder Creek, Colo., that's covered with a biofilm

Endocrine Disrupting Chemicals in the Slick Scum that Covers Stones in Streams

publication
image of publications layered on a wooden table

BFS—A non-linear, state-space model for baseflow separation and prediction

Project
coiled up eel laying in a fishing net

Natural Resources of the Neversink River Watershed

Project
R/V David H. Peterson at the Redwood City dock.

Water Quality of San Francisco Bay Research and Monitoring Project

Project
Rainbow created by the falling water at Great Falls New Jersey

Baseline Water-Quality Inventory for Paterson Great Falls National Historic Park, New Jersey

Photography
Nick Voichick at the winch, Lake Powell water quality monitoring

Nick Voichick at the winch on Lake Powell during water quality monitoring
Research
Mill tailings deposited on the flood plain of Basin Creek in the Boulder River watershed, Montana, 1998

Multidisciplinary Approach to Remediating Watersheds Contaminated from Abandoned Mine Lands

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

SUPERSEDED: Gulf Watch Alaska Nearshore Component: Intertidal Mussel Site Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2016

Center News
Image: Rio Grande at Boquillas Canyon Entrance, Big Bend National Park

Listen in: Three podcasts about the Rio Grande with David Dean

Project
South Central NAWQA

National Water-Quality Assessment Project in Texas - Surface Water Activities

Program
Shenandoah Salamander (Plethodon shenandoah)

Northeast Amphibian Research and Monitoring Initiative

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Gene Transcription and Heat Shock Protein 70 Abundance in Juvenile Hatchery Reared Coho Salmon and Chinook Salmon during a Manipulative Thermal Experiment, Anchorage, Alaska 2020-2021

Project
USGS researcher struggling to set up a line transect (tape measure) in a dense thicket of tamarisk.

Southwestern Riparian Zones, Tamarisk Plants, and the Tamarisk Beetle

Presentations and Events

Evaluating the Effectiveness of Fish Rescue Programs
Photography
Bathtub rings on rock in Lake Powell where the water has dropped and left minerals behind

Lake Powell "bathtub rings" on rock where lowered water levels have left mineral deposits behind
Project
Hydrography of the Columbia Plateau

Assess the utility of a regional aquifer system groundwater model to inform the USGS National Hydrologic Model

Research
FHL extracts DNR n RNA

Prevalence of novel, emerging hepatitis viruses in wild white suckers and their association with liver tumors in the Great Lakes region

Project
Looking at Glen Canyon Dam from the Colorado River

Amazon Dams Network: Advancing Integrative Research and Adaptive Management of Social-Ecological Systems Transformed by Hydroelectric Dams

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