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The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
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Observations

Three new non-native species found in Prince William Sound
A recent survey in Prince William Sound identified three new non-native species, including the newly discovered Monocorophium acherusicum, which may spread due to its adaptability to local conditions, prompting recommendations for ongoing monitoring and prevention efforts.
Tatitlek, Alaska, United States
KTUU

Sunny dry day in Chugach Mountains
A typically snowy region, Valdez experienced an unusually dry October with receding snow lines and a dry riverbed.
Valdez, Alaska, United States
Wilson Justin, Richard L Thoman Jr, Matthew Druckenmiller, Crane Johnson

The snowiest day in Alaska — and perhaps US — history?
At 4:45 p.m., 65 inches was on the ground. By 7:30, 72 inches of new snow had fallen in one storm. That’s 6 feet. In less than one day! It was darn close to a new Alaska (and United States) record.
Thompson Pass

NOAA seeks public’s help on Steller sea lion killings in Copper River Delta
Biologists with NOAA Fisheries Alaska region have been conducting survey work in the area since mid-May and have so far found 22 Steller sea lions and one harbor seal dead. Necropsies performed on the animals have shown gunshot wounds and other human interactions as the cause.
Cordova, Alaska, United States

Floating Helmet
"My son found this helmet floating here in Prince William Sound."
Tatitlek, Alaska, United States

‘Local legend’ Valdez heli-ski guide dies in avalanche in Chugach Mountains
Michael Hamilton, who worked at Valdez Heli-Ski Guides, died Monday in one of numerous avalanches that have been occurring in the Southcentral Alaska backcountry recently. Several recent large wet slab avalanches reported throughout the Chugach are believed to be connected to a buried crust that formed around late October, she said. A warm storm system last week also weakened the snowpack because it added weight and heat.
Valdez, Alaska, United States
Anchorage Daily News

Skier dies in avalanche near Matanuska Glacier
Fairbanks resident Erin Lee, 40, was transported to Mat-Su Regional Hospital via helicopter where she was pronounced dead, according to the statement.
Matanuska Glacier
Anchorage Daily News

Growth on Window After Storm
Tatitlek, Alaska, United States

Low sockeye returns prompt commercial fishing closure on the Copper River
"We’re way, well below what we expect to be at this point,” said Jeremy Botz, a biologist with the Alaska Department of Fish and Game. He says so far the entire commercial fleet has harvested around 6,000 sockeye, which is way below what the department anticipated
Cordova, Alaska, United States
Alaska Public Media

Scientists: Potential landslide could generate large tsunami in Prince William Sound
The rapid retreat of Barry Glacier, 28 miles northeast of Whittier, could release millions of tons of rock into Harriman Ford and generate a large tsunami in Prince William Sound, according to Alaska's top geologist.
Barry Arm
Fairbanks Daily News-Miner

Oily water continues to ooze into Port Valdez as snow on the ground complicates response
The source of the spill, a drain area about a quarter-mile uphill from the coastline, was stopped on Monday, authorities reported. And oil on the water has been contained to a site near a small boat harbor at the terminal where tankers load up with oil.
Valdez, Alaska, United States
Anchorage Daily News

Alyeska Pipeline cleaning up oil spill at Valdez Marine Terminal
Alyeska Pipeline Service Company says that as of Tuesday morning, roughly 326 barrels — 13,692 gallons — of oily water have been recovered at the Valdez Marine Terminal.

Alaska glacier where boaters were found dead had recently become prone to calving, guide says
It's possible the trio’s canoe was upset by a calving, or shedding, piece of ice. Although all three were wearing life jackets, none was wearing a wetsuit to protect against the frigid water.

3 kayakers found dead in water of Alaska glacier
Authorities in Alaska are investigating the deaths of three kayakers whose bodies were found in the water of a glacier.
CBC

‘This is it’: Cordova fishermen tell harrowing tales of trip home in waves whipped by unseasonable storm
One boat lost its net while at least two other fishermen say giant waves threatened to capsize their vessels as they tried to reach safe harbor.
Cordova, Alaska, United States

Another gray whale found dead in Alaska, this time near Cordova
NOAA is monitoring significant numbers of gray whale deaths this spring along the Pacific coast.

Shiner Surfperch (Cymatogaster aggregata) in Southcentral Alaska
This catch in a Tatitlek herring net places a school of shiner surfperch about 700 km north of their normal range.

Cordova windstorm wrecks roofs, sets derelict fish processor adrift
A 100-foot vessel, the Polar Bear, ended up aground on an island across a channel from the town.

Shooting of bear highlights ‘infestation’ in Cordova after poor salmon returns
Residents speculate the black bears are venturing into town because they're hungry, after a poor run of pink salmon and rainy weather that hurt the abundance of berries, limiting food for the animals.

‘Atmospheric river’ from the tropics pours rain on Southcentral Alaska
Days of rain have triggered flooding in Cordova and slowed drivers on the Taylor Highway and McCarthy Road.

Richardson Highway closed following avalanche and extreme snow
Crews are working to clear snow off of the Richardson Highway near Valdez, after excessive snow has not relented, and an avalanche has poured over the isolated highway stretch.
KTUU News

Cleanup indicates Valdez spill bigger than initially thought
According to Alyeska Pipeline Service Company, approximately 400 gallons of an oily water mix had been recovered from the Port of Valdez as of Saturday night.
Alaska Public Media
Elizabeth Harball, Alaska's Energy Desk - Anchorage

Black Slugs (Arion ater L) Devastating Native Plants in Chugach Forest
Black slugs are impacting native plants in the Chugach Forest and may be spreading elsewhere.
McKinley Lake, Alaska, United States

What has happened to our Chugach Dall sheep?
Is climate change reducing the quantity and quality of Alaska's Dall sheep habitat? That's the hypothesis being tested by two researchers.
Nelchina Glacier, Alaska, United States
Alaska Dispatch News

Toads (Anaxyrus boreas) Re-emerge
First toad sighting in years.

Unknown Bug (Ichneumonidae)
Unknown bug

Late Coho Salmon (Oncorhynchus kisutch) Run
11-12-14 Late coho salmon run - Cordova, Alaska, USA

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