Beaver expansion into Alaska’s Arctic tundra presents problems for people, but also opportunities A wide-ranging research program led by a UAF ecologist is tracking the way beavers’ northward ...

Range maps now need to be redrawn to include areas north of treeline in Alaska and Canada. Tape authored a photo book on shrub expansion in the Arctic and has written papers about moose and ...

The Arctic tundra in Northwest Alaska is being colonized by ... Tape and his colleagues used satellite data to map the formation and disappearance of beaver ponds in an 18,293 km 2 area of the ...

Arctic tundra, which has stored ... Wildfire in Alaska’s Yukon Flats National Wildlife Refuge, June 2024. (Courtesy Brendan Rogers/Woodwell Climate Research Center) ... Map of the Arctic.

Arctic permafrost is a vast repository, storing an estimated 1,700 billion metric tons of carbon. That’s over 50 times more than all the carbon released as global fossil fuel emissions in 2019.

Arctic permafrost is a vast repository, storing an estimated 1,700 billion metric tons of carbon. That’s over 50 times more than all the carbon released as global fossil fuel emissions in 2019.

Map of Alaska. (iStock) A decade ago, oil operators on the North Slope found themselves in a climate predicament. The steady warming seen since the late 1960s had cut the tundra travel season ...

Eight summers ago, a bolt of lightning struck a dry tundra hillside in northern Alaska. Fanned by a warm wind that curled over the Brooks Range, the.

Wildfire on Arctic tundra can cause permafrost melt from the top down, contributing to landscape slumping, known as thermokarst. The U.S. Geological Survey study used airborne technology called ...

A beaver is seen on June 12, 2018, swimming in a tundra pond in the Nome area. As the climate has warmed, beavers have moved north into tundra terrain in both Alaska and Canada. A National Science ...