JWM: Delaying seismic surveying better for polar bear dens
Oil and gas exploration in Alaska’s North Slope would disturb fewer maternal denning polar bear mothers if start times are delayed during bear maternal denning ...
Arctic
Half of Arctic shorebirds are declining; waterfowl flourish
Across the circumpolar north, some Arctic tundra birds, such as waterfowl, seem to be flourishing while others, like most shorebirds, are seeing their populations ...
Tiny pests and warm weather can cause lag in caribou migration
When spring comes to the Arctic, caribou across Canada and Alaska synchronize the timing of their movement in a massive continent-wide migration to their calving ...
Wild Cam: Svalbard Reindeer rebound after near extirpation
At 35 degrees Fahrenheit, it was a relatively warm day in an Arctic archipelago far north of the Norwegian mainland. But drift ice still floated in the balmy summer ...
New map illustrates caribou decline in Canada
Caribou populations are dropping all across Canada, with one herd — the South Selkirk — in British Columbia down to just three females by April 2018. Caribou ...
Arctic Refuge coastal plains to be opened to energy development
The Bureau of Land Management released the final environmental impact statement (EIS) for oil and gas leasing on the Arctic National Wildlife Refuge coastal plain. ...
Why do Canadian Arctic seabirds carry so much mercury?
Seabirds in Canada and the Pacific Arctic show greater concentrations of mercury contamination than their Arctic European counterparts, according to a meta-review. ...
JWM: Are black brant numbers going up — or down?
To judge by the annual surveys, black brant (Branta bernicla nigricans) are on the upswing. After years of decline, aerial counts along their migration routes — ...
House committee advances bill to limit Arctic refuge drilling
Last week, the House Natural Resources Committee advanced legislation that would prohibit oil and gas exploration and development along the coastal plain of the ...
Lake core samples reveal impact of overhunting on seaducks
Decades of sediment built up deep under Arctic ponds can reveal the size of past seabird populations and how harvesting has impacted their numbers over the decades. ...