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  1. /
  2. trees
Home»Posts tagged with»trees

Wildfires Are Changing Forest Communities in Interior Alaska

By nsf on Oct 22, 2020   Featured, Science/Education, The Arctic and Alaska Science  

Wildfires Are Changing Forest Communities in Interior Alaska

  As boreal forest wildfires increase in severity and frequency, new patterns of post-fire recovery are emerging. Research led by Jill Johnstone and colleagues at the U.S. National Science Foundation-supported Bonanza Creek Long-term Ecological Research site found that recent wildfires led to changes in tree species dominance that are persisting through post-fire succession in Alaska’s boreal forests. Boreal black […]

Forest Service Paying Timber Industry to Pick Which Trees It Wants in Alaska’s Tongass National Forest

By Rebecca Bowe | Earth Justice on Jan 27, 2020   Featured, Southeast Alaska, State  

Forest Service Paying Timber Industry to Pick Which Trees It Wants in Alaska’s Tongass National Forest

  Documents obtained via Freedom of Information Act detail close collaboration linking logging interests, Forest Service, and State of Alaska JUNEAU – Up to $1.3 million in U.S. Forest Service (USFS) dollars will wind up in the hands of the Alaska Forest Association – a timber industry group – for work that entails selecting old-growth […]

Dead Trees Could Bring New Life to Southeast Alaska Lumber Mills

By Molly Tankersley | Alaska Coastal Rainforest Center on Dec 31, 2019   Featured, Southeast Alaska, State  

Dead Trees Could Bring New Life to Southeast Alaska Lumber Mills

  JUNEAU – As climate change rapidly alters conditions in southeast Alaska, lower snowpack levels have caused a massive decline of yellow-cedar trees. Without an insulating blanket of snow, the shallow roots of yellow-cedar trees freeze during late spring cold snaps. Left behind is a growing expanse of “ghost forests” of dead yellow-cedars, affecting roughly […]

The Sound of Silence in Russell Fjord

By Ned Rozell | Geophysical Institute on Jun 7, 2019   Featured, The Arctic and Alaska Science  

The Sound of Silence in Russell Fjord

Image: Dead trees near a shoreline of Russell Fjord about 15 miles from the town of Yakutat. Ned Rozell photo. RUSSELL FJORD — Standing on this smooth gravel shoreline, 15 miles northeast of the town of Yakutat, you can tell something big happened. A forest of dead trees encircles the shoreline. The dry, bone-white stems […]

Sockeye Carcasses Tossed on Shore over Two Decades Spur Tree Growth

By Michelle Ma | University of Washington on Oct 26, 2018   Featured, The Arctic and Alaska Science  

Sockeye Carcasses Tossed on Shore over Two Decades Spur Tree Growth

Hansen Creek, a small stream in southwest Alaska, is hard to pick out on a map. It’s just over a mile long and about 4 inches deep. Crossing from one bank to the other takes about five big steps. Yet this stream is home to one of the most dense sockeye salmon runs in Alaska’s […]

Big Changes on a Big Alaska Peninsula

By Ned Rozell | Geophysical Institute on May 20, 2016   Featured, The Arctic and Alaska Science  

Big Changes on a Big Alaska Peninsula

Larger than West Virginia, the Kenai Peninsula has the best of Alaska: coastal rainforests, two icefields, majestic deepwater fiords and a sapphire river home to the largest king salmon ever caught. It also has some of the best-documented changes of any geographic feature in Alaska, enough that a biologist now sees the peninsula evolving into […]

The Giant Wave of Icy Bay

By Ned Rozell | Geophysical Institute on Apr 8, 2016   Featured, The Arctic and Alaska Science  

The Giant Wave of Icy Bay

A landslide last fall caused a giant wave of the type not seen in Alaska since the storied 1958 event in Lituya Bay. After a period of heavy rains, a mountainside near Tyndall Glacier collapsed into a fiord of Icy Bay on October 17, 2015. The displaced water generated a wave that sheared alders more […]

Kenai Bark Beetles Primed for Another Run

By Ned Rozell | Geophysical Institute on Dec 9, 2015   Featured, Science/Education  

Kenai Bark Beetles Primed for Another Run

Ed Berg has spent much of his life observing the natural happenings on a large peninsula (the Kenai) that juts from a larger peninsula (Alaska). The retired ecologist who worked many years for the U.S. Fish and Wildlife Service has been around long enough he might see a second version of the most damaging insect […]

Study: Alaskan Boreal Forest Fires Release More Carbon than the Trees can Absorb

By Diana Yates | Illinois News Bureau on Nov 20, 2015   Featured, The Arctic and Alaska Science  

Study: Alaskan Boreal Forest Fires Release More Carbon than the Trees can Absorb

CHAMPAIGN, Ill. — A new analysis of fire activity in Alaska’s Yukon Flats finds that so many forest fires are occurring there that the area has become a net exporter of carbon to the atmosphere. This is worrisome, the researchers say, because arctic and subarctic boreal forests like those of the Yukon Flats contain roughly […]

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