Ecosystems

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Filter Total Items: 325
Date published: January 23, 2020

New Study Provides Insights for Detecting the Invasive Brown Treesnake

Research by the USGS and Dickinson College reveals why scientists fail to detect brown treesnakes at low densities

Date published: December 18, 2019

The Other 364 Days of the Year: The Real Lives of Wild Reindeer

Caribou, North America’s wild reindeer, have lives apart from their famous role on Christmas Eve. To learn more about how  these Arctic antler-bearers spend the other 364 days of the year,  we talked to USGS caribou  expert Dr. Layne Adams, who has studied these animals for more than 35 years.

Date published: December 9, 2019

Dr. Gary Fellers – Leader in Amphibian Conservation – Passes Away

SACRAMENTO, Calif. – Dr. Gary Fellers, researcher emeritus with the U.S. Geological Survey, passed away last month after a 40-year career as an ecologist with the USGS Western Ecological Science Center and the National Park Service. He was a pioneer in herpetology – the study of amphibians and reptiles – and helped bring to light the worldwide decline of amphibians.

Date published: December 2, 2019

Yellowstone's migrating bison manipulate springtime green-up

On a typical June day in Yellowstone National Park, it’s not unusual to see hundreds of bison grazing in the Lamar Valley. The herds appear to aimlessly move back and forth through meadows threaded by a winding river, just passive figures in an idyllic scene. But as it turns out, that’s far from the full picture.

Attribution: Ecosystems
Date published: October 30, 2019

WaterWords-Aragonite

Keep up to speed with the latest USGS deep-sea research cruise with this seafloor syntax.

Date published: October 28, 2019

People of the Sage

Meet one of the People of the Sage, Dr. Anna Chalfoun, Assistant USGS Cooperative Research Unit Leader and Associate Professor at the University of Wyoming. Don’t let the titles intimidate you, Anna Chalfoun loves all types of hockey, loves horses—all animals really! Even snakes.

Date published: October 16, 2019

WaterWords-Autonomous Underwater Vehicle

Keep up to speed with the latest USGS deep-sea research cruise with this seafloor syntax.

Date published: October 16, 2019

WaterWords-Remotely Operated Vehicle

Keep up to speed with the latest USGS deep-sea research cruise with this seafloor syntax.

Date published: October 16, 2019

WaterWords-Deep Sea

Keep up to speed with the latest USGS deep-sea research cruise with this seafloor syntax.

Date published: October 16, 2019

WaterWords-Telepresence

Keep up to speed with our EXPRESS research cruise with this latest seafloor syntax!

Date published: September 13, 2019

Fast Fire Facts from USGS

 

You’ve got questions about USGS fire science. We’ve got answers.