The ability of salmon hatcheries to increase wild salmon abundance may come at the cost of reduced diversity among wild salmon, according to a new University of Alaska Fairbanks–led study. The number of juvenile salmon released into the North Pacific Ocean by hatcheries increased rapidly in the second half of the last century and remains […]
From space, the Nogahabara Dunes are a splotch of blond sand about 6 miles in diameter surrounded by green boreal forest. Located west of the Koyukuk River, the dunes are the site of an uncommon discovery. In 2001, biologists for the U.S. Fish and Wildlife Service were walking the dunes when they noticed the sand […]
DELTA JUNCTION — On this rock outcrop 30 feet above the gray Tanana River and green hayfields cleared from the forest below, archaeologists have possibly found evidence of the canine companions of early Alaskans. Eight students and professionals are now troweling the floury tan soil of Hollembaek’s Hill to learn more about the distant past […]
Recent long-term studies revealed a three-quarters reduction of insects in parts of Germany and an 80 percent decline of pollinating flies at a field site in Greenland. What’s going on with numbers of Alaska insects? Two scientists recently completed a study on the abundance and variety of insects in the spruce forests of Alaska. If […]