A voracious species of trout that decimated a native trout population in Yellowstone National Park shows signs of decline following a costly and protracted effort to kill off the invading fish, government scientists and a conservation group said Tuesday.
University of Montana archaeologists excavating a buried stone circle dating to the Late Prehistoric Period. The site is on the South Shore of Yellowstone Lake.
At 139 square miles Yellowstone Lake is the largest body of fresh water above 7,000 feet in North America.
Researchers paddle in to a remote Yellowstone Lake shoreline to conduct a search for artifacts.
UM graduate students Stocky White, at left, and Matt Nelson excavate and screen an archaeological test unit at Yellowstone Lake.
One excavation uncovered the edge of a tepee ring dated to about 800 years ago.
This artifact found in Yellowstone is cataloged as a net sinker, one of the few artifacts that may be tied to fishing by ancient people.
This is one of the many stone tools found by researchers as they have combed the shoreline of Yellowstone Lake over the past several years.
To find archaeological sites along Yellowstone Lake, researchers canoe in to remote places, search the shoreline and dig test pits.
Technology offers great tools for archaeologists, such as analyzing the residue in ancient ceramic containers to reveal what they contained, or testing proteins on stone artifacts to find what animals were butchered or killed with the tools.
Yellowstone’s supervisory fisheries biologist Todd Koel, left, takes photos as John Syslo opens the stomach of a lake trout to examine the contents this past summer.
David Sweet recently emailed me with an update on the ongoing battle to diminish the lake trout population in Yellowstone Lake and increase the numbers of Yellowstone cutthroat trout. In short, things are looking up for the Yellowstone cutthroat as their numbers continue to increase.
Practicing patriotism. Will James Middle School teacher Hunter Jones’ classes have sent 5,000 care packages and 10,000 letters to U.S. troops since 2002. The VFW honored Jones’ efforts to involve students by naming him VFW national teacher of the year.
The Northwester is one of four boats used to net fish on Yellowstone Lake this summer.
The remains of these five fish were found in the stomach of this lake trout after being netted this summer.
Although the data hasn’t been officially tallied yet, this summer’s netting efforts on Yellowstone Lake resulted in the capture and killing of more than 300,000 lake trout for the second year in a row.
YELLOWSTONE NATIONAL PARK, Wyo. — Workers at Yellowstone National Park intend to poison non-native brook trout on a stream system in the park so it can be restocked with native cutthroat trout.
YELLOWSTONE NATIONAL PARK, Wyo. — Rain has slowed the growth of the largest fire burning in Yellowstone National Park.
CHEYENNE, Wyo. — Allaying concerns from tourists and campers, a National Park Service official says a wildfire burning in the heart of Yellowstone National Park is expected to stay away from major tourist areas during the busy Labor Day weekend.