The inner workings of the world’s largest sockeye salmon hatchery

The inner workings of the world’s largest sockeye salmon hatchery EAST FORK OF THE GULKANA RIVER — In late summer, a few months before this mossy valley will feel the sting of 40-below air, bright red salmon dart through a crystal-clear pool amid fragrant green vegetation. The Gulkana Hatchery has a Garden [...]

Salmon are the key to life in Alaska

By Ned Rozell During a good year in Bristol Bay, a surge of more than 100 million pounds of sockeye salmon fights its way upstream, spawns, and dies. In Bristol Bay and elsewhere in Alaska, this incredible pulse of salmon carcasses enriches streams and rivers and makes young salmon hardier. That’s the [...]

Alaska Caribou Cams Give Insight Into Secret Lives

Alaska Caribou Cams Give Insight Into Secret Lives Caribou wearing cameras around their necks have filmed a secret world of mushroom nibbling, desperate head-shaking during bug episodes, and nuzzling of wet newborns seconds after they fall to the tundra. The caribou cams gave biologists who teamed up from several agencies a new [...]

The Secret Life of an Alaska Whitefish

The Secret Life of an Alaska Whitefish In Alaska’s infinite waters swims a handsome, silvery fish. Until recently, we knew little about the Bering cisco, which exists only around Alaska and Siberia. Then a scientist combined his unique life experiences with modern tools to help color in the fish’s life history. Randy [...]

Black-capped Chickadees Survive By Shivering in Alaska

Black-capped Chickadees Survive By Shivering in Alaska December 24, 2020 / Ned Rozell During the darkest days of Alaska’s winter, black-capped chickadees stuff themselves with enough seeds and frozen insects to survive 18-hour nights. Where the chickadees spend those long nights was a mystery until a biologist tracked them. Susan Sharbaugh spent [...]

Alaska bears alert scientists to secret salmon streams

Alaska bears alert scientists to secret salmon streams Right now, on the brushy tundra of northern Alaska, grizzly bears are gathering at quiet streams and rivers, attracted by the largest calorie reward they can find — spawning salmon. Until recently, scientists did not know salmon swam up some of these waterways, nor [...]

Remarkable groove slides gold into Alaska

Remarkable groove slides gold into Alaska By Ned Rozell Nate Becker lives with his family on a quiet stretch of the Yukon River as it flows into Alaska. On a recent ski trip, I visited the Beckers’ home along with two geologist friends. Nate had a question for them. “Why are all [...]

What We Learned from Mt. Redoubt’s Eruption 30 Years Ago

What We Learned from Mt. Redoubt's Eruption 30 Years Ago By Ned Rozell On December 15, 1989, a pilot who had flown a 747 passenger jet all the way from Amsterdam was looking forward to landing in Anchorage. There, he would take a short break before continuing to Tokyo. Descending over Southcentral Alaska, he and [...]

Fish Tapeworms Found Near Fairbanks Alaska Pond – Ligula intestinalis

Fish Tapeworms Found Near Fairbanks Alaska Pond By Ned Rozell A few times each week, someone carries something dead or alive through the doors of the UA Museum of the North, hoping an expert can identify it. A couple weeks ago, a woman arrived with a small jar of what appeared to be white worms. [...]