Ecosystems

Multimedia

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Wetland Ecologist Coloring Page
May 31, 2021

Wetland Ecologist Coloring Page

Wetland Ecologist Coloring Page

Attribution: Ecosystems
Scientist collecting soil and worms
May 20, 2021

USGS scientists collecting soil and worms at a site on Cape Cod, Mass.

USGS scientists Gregory D'Agostino and Katherine Wares collecting soil and worms at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam.  

Scientist placing invertebrate into sampling container
May 19, 2021

Invertebrates being collected at a site on Cape Cod, Massachusetts

Invertebrate being collected at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam used at the site. 

A man captures insects using a net.
May 13, 2021

Powerlines & Pollinators

Connecting powerline rights-of-way vegetation management to improve pollinator habitat. A USGS RAMPS technician samples pollinating insects along the Salt River Project powerline that crosses through Apache-Sitgreaves and Tonto National Forests. This fall, baseline plots were established in areas that will be treated with mechanical and chemical vegetation management 

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USGS Dye Delivery
May 5, 2021

USGS Dye Tracing Event

Scientists from the U.S. Geological Survey conducted a dye-trace assessment on May 5, 2021 along the Missouri River near Huntsdale, Missouri. The assessment helped scientists understand how larvae from the critically endangered pallid sturgeon drift downstream after hatching and how they find supportive habitat in the complex Missouri River. 

USGS Missouri River Dye Tracing Event
May 5, 2021

USGS Dye Tracing Event

Scientists from the U.S. Geological Survey conducted a dye-trace assessment on May 5, 2021 along the Missouri River near Huntsdale, Missouri. The assessment helped scientists understand how larvae from the critically endangered pallid sturgeon drift downstream after hatching and how they find supportive habitat in the complex Missouri River. 

Moniteau Bluff USGS
May 5, 2021

USGS Dye Tracing Event

Scientists from the U.S. Geological Survey conducted a dye-trace assessment on May 5, 2021 along the Missouri River near Huntsdale, Missouri. The assessment helped scientists understand how larvae from the critically endangered pallid sturgeon drift downstream after hatching and how they find supportive habitat in the complex Missouri River. 

USGS Scientists Measure Dye on Missouri River
May 5, 2021

USGS Dye Tracing Event

Scientists from the U.S. Geological Survey conducted a dye-trace assessment on May 5, 2021 along the Missouri River near Huntsdale, Missouri. The assessment helped scientists understand how larvae from the critically endangered pallid sturgeon drift downstream after hatching and how they find supportive habitat in the complex Missouri River. 

Dye Release Missouri River
May 5, 2021

USGS Dye Tracing Event

Scientists from the U.S. Geological Survey conducted a dye-trace assessment on May 5, 2021 along the Missouri River near Huntsdale, Missouri. The assessment helped scientists understand how larvae from the critically endangered pallid sturgeon drift downstream after hatching and how they find supportive habitat in the complex Missouri River. 

May 5, 2021

USGS Missouri River Dye Tracing Assessment

Scientists from the U.S. Geological Survey conducted a dye-trace assessment on May 5, 2021 along the Missouri River near Huntsdale, Missouri. The assessment helped scientists understand how larvae from the critically endangered pallid sturgeon drift downstream after hatching and how they find supportive habitat in the complex Missouri River.
 

Tree-ring sample from an avalanche path
May 3, 2021

Tree-ring sample from an avalanche path

This tree-ring sample from an avalanche path captures 256 years of data between the years 1777 and 2013. The scars in 1818 and 1974 are examples of mechanical damage caused by an avalanche. The pith is the center of the tree.

April 23, 2021

Turn Around, Salamander!

This video shows a California tiger salamander finding its way to an underpass designed to help amphibians and reptiles cross the road safely, with the help of a "turn-around" that helps guide the salamander back in the right direction as it travels away from the underpass. The salamander was caught on wildlife cameras at various points between the turn-around and the