Email Print Share

All Images


Research News

Yellowstone Ecosystem Needs Wolves and Willows, Elk and...Beavers?

Close up image of a beaver.

The missing link in the Yellowstone ecosystem? The beaver, scientists have found.

Credit: NPS


Download the high-resolution JPG version of the image. (754 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Scientists Tom Hobbs, Kristin Marshall and David Cooper study willows and beavers in Yellowstone National Park.

Credit: Colorado State University

 

An old beaver dam along a stream in Yellowstone National Park.

A long-ago beaver dam, a rare sight today, along a stream in Yellowstone National Park.

Credit: NPS


Download the high-resolution JPG version of the image. (1.1 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Map showing locations of the project's experimental sites on Yellowstone's northern range.

Locations of the project's experimental sites on Yellowstone's northern range.

Credit: Kristin Marshall


Download the high-resolution JPG version of the image. (288 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Summertime at the team's upstream research site along East Blacktail Deer Creek.

Summertime at the team's upstream research site along East Blacktail Deer Creek.

Credit: Kristin Marshall


Download the high-resolution JPG version of the image. (725 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Snow covered East Blacktail Deer Creek

Snow covers East Blacktail Deer Creek in winter. Still, most browsing occurs then.

Credit: Kristin Marshall


Download the high-resolution JPG version of the image. (489 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

scientist Kristin Marshall measuring the diameters of browsed willow stems.

Using calipers, scientist Kristin Marshall measures the diameters of browsed willow stems.

Credit: Kristin Marshall


Download the high-resolution JPG version of the image. (904 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.