Northern pike are moving through salt water to invade freshwater habitats in Southcentral Alaska, according to a new study. Researchers at the University of Alaska Fairbanks and the Alaska Department of Fish and Game made the discovery by collecting and analyzing tiny ear stones called otoliths from northern pike caught in the region. It’s the first […]
Analysis of a massive database of pink salmon DNA has revealed unexpected details about the abundant salmon species, including its ability to return to spawn at nearly the same spot within streams as their parents. Samuel May, a postdoctoral fellow at the University of Alaska Fairbanks College of Fisheries and Ocean Sciences, led a project that […]
A recent study— the largest of its kind— showed unpredictable changes in juvenile salmon migration timing in response to climate change. A new study published in the journal Nature Climate Change has found that salmon migration timing is changing in unpredictable ways in response to climate change. Dr. Eric Ward of NOAA Fisheries’ Northwest Fisheries Science Center was […]
Caribou have been using the same Arctic calving grounds for more than 3,000 years, according to a new study by the University of Cincinnati. Female caribou shed their antlers within days of giving birth, leaving behind a record of their annual travels across Alaska and Canada’s Yukon that persists on the cold tundra for hundreds […]