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July 29, 2022
A high-country Eden for sockeye salmon
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-of-Eden feel, which is fitting since millions of sockeye salmon begin life here each year.
July 7, 2022
A half century in a difficult, dynamic place
Dan Mann hands me a clump of orange dirt the size of an almond. He instructs me to put it in my mouth.
“What’s it taste like? Does it crunch? Ash crunches because there’s glass fragments in it.”
“It’s from Mount Edgecumbe,” he says, referring to a volcano 100 miles away, near Sitka. “From an eruption 13,000 years ago.”
July 5, 2022
Salmon nose deep into Alaska ecosystems
A salmon head at its final resting place on the upper Chena River, one of the most important birth streams for Chinook salmon. Photo by Ned Rozell. That’s the finding of scientists who study Alaska streams and rivers that are teeming with salmon.
June 29, 2022
Bonsai trees tell of winters long past
“These are museum-class bonsais,” Ben Gaglioti says as we walk through an elfin forest. Gaglioti, a University of Alaska Fairbanks ecologist, has led me into another landscape I have never seen in Alaska. This terrace of spongy ground above the rainforest is home to trees that Dr. Seuss might have dreamed up.
June 22, 2022
Rugged science on the Southeast coast
To the woman wearing earbuds and sitting next to me in seat 7E: I’m sorry; I did not get to shower before boarding the plane after 12 days of accompanying four scientists in the hills north of Lituya Bay. I will try to keep my arms pinned to my side and lean toward the window.
May 19, 2022
Wading into the icy Yukon River for science
Snow geese flew in a ragged V overhead, rasping as they looked down upon Alaska’s bumpy face for the first time in 2022. Nine hundred feet below, the Yukon River flowed by quietly, except for the dull thuds of icebergs skidding along the river bottom near the shore. Sensing a break in the ice traffic, U.S. Geological Survey hydrologist Heather Best — wearing chest waders with a hole she would soon discover — stepped into the river.
April 22, 2022
His 48th summer on top of the world
This June, George Divoky will refurbish a cabin that sits on a lonely gravel island north of Alaska. He was not planning a remodel this year. Sometime during the winter, a polar bear tore through a plywood wall of the cabin Divoky moved 20 years ago to Cooper Island.
April 11, 2022
Live-trapping lynx in the far north
Knut Kielland, a professor with UAF’s Department of Biology and Wildlife, used to trap lynx for their fur. Here, he has captured this 22-pound female lynx as part of an Alaska-wide project he leads to better understand the ecology of the animal.
March 31, 2022
Happenings north of the Arctic Circle
Though the calendar calls it springtime, the thermometer on the truck reads minus 28 F on this sunny morning a few days past spring equinox. I am riding shotgun with Knut Kielland, an ecologist at the Institute of Arctic Biology at the University of Alaska Fairbanks. He has invited me to join him for a week north of the Arctic Circle — 66.6 degrees north latitude, about 150 miles from Fairbanks.
February 4, 2022
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.