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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

A new children’s book about ringed seal highlights traditional knowledge and science in Kotzebue
The new children's book combines traditional knowledge and scientific research to tell the story of a ringed seal pup in Kotzebue, Alaska, with a focus on the impact of climate change.
Kotzebue, Alaska, United States
Anchorage Daily News

Oil field road traffic disrupts North Slope caribou more than previously recognized
A study reveals that North Slope caribou are significantly more sensitive to oil field road traffic than previously thought, with disruptions occurring at traffic volumes as low as five vehicles per hour.
Prudhoe Bay, Alaska, United States
Alaska Beacon

Peter Pan's King Cove plant will stay closed this winter as fishing industry turmoil spreads
Peter Pan's King Cove plant closure during the winter will impact local revenue and fishermen, amid industry-wide financial struggles and delayed payments.
King Cove, Alaska, United States
Alaska Public Media

Tribes request federal consultation over Graphite One
Tribes from Teller, Brevig Mission, and Mary's Igloo are urging the U.S. Department of Defense to consult with them after a $37.5 million grant was awarded to Graphite One without their input, impacting local ecosystems and subsistence practices.
Nome, Alaska, United States
The Nome Nugget

Caribou management and health
Experts discuss strategies for ensuring the health and sustainability of Alaska's caribou amidst environmental and developmental challenges.
Alaska, United States
Alaska Public Media

Alaska beekeepers kill their colonies every fall, but an Anchorage man has another way
An Anchorage beekeeper has learned how to help his honeybee colonies survive to see spring, and he’s teaching others to do the same.
Anchorage, Alaska, United States
Alaska Public Media

Alaska's open seasons on predators are approved behind closed doors
Alaska's predator control measures and wildlife management strategies are under scrutiny as tensions rise over state and federal jurisdiction, with calls for more inclusive decision-making and realistic goals amidst rapid climate change.
Togiak, Alaska, United States

Paralytic shellfish poisoning toxin is high in some subsistence harvests, according to Knik Tribe’s data
Knik Tribe data reveals high levels of paralytic shellfish poisoning toxin in some Alaskan subsistence shellfish harvests, with variability in toxin levels across different locations.
Sand Point, Alaska, United States

Hatcheries hurt nearly all wild salmon populations, study finds
A comprehensive analysis of over 200 studies reveals that fish hatchery programs have predominantly negative impacts on wild salmon populations, reducing genetic diversity and overall health.
Pacific Ocean
ArcticToday

More than 33 thousand tons of goods were delivered to Chukotka
The Regional Department of Agriculture and Food summed up the results of the northern delivery. In 2023, supplies of food and essential goods increased. In total, 33.3 thousand tons of cargo were delivered to the region. This exceeded the 2022 figures by almost half.
Анадырь, Chukotka Autonomous Okrug, Russia

Western Arctic Caribou Herd population decline continues, with hunting expected to be affected
The Western Arctic Caribou Herd continues to decline, now at about a third of its 2003 population, with hunting restrictions likely as part of conservation efforts.
Northwest Arctic, Alaska, United States

'Charity is not a solution to food insecurity': How to feed the future
Experts argue that transforming food systems through structural changes, Indigenous knowledge, and data sharing is essential for long-term food security and sustainable development.
Toronto, Ontario, Canada
CBC

Due to the low returns to spawning grounds, commercial salmon fisheries may be suspended next year
Due to declining salmon returns, Russia may halt commercial salmon fisheries next year to protect the species. This drastic reduction has raised concerns about the sustainability of the fisheries and the need for conservation measures. The situation is so dire that the salmon catch in 2021 was the lowest in the last 16 years, and projections for the 2024-2026 period suggest a continued downward trend.
Anadyr, Chukotskiy Avtonomnyy Okrug, Russia

Western Alaska salmon crisis affects physical and mental health, residents say
Residents in Western Alaska are experiencing a salmon crisis that is not only affecting their physical health due to the lack of exercise from salmon harvesting, but also their mental health and cultural well-being, as salmon harvesting is seen as a vital part of their way of life and recovery from substance abuse.
Western Alaska, United States

Extreme salmon lice outbreak in Iceland: Found 96 lice on average on each salmon
An extreme outbreak of salmon lice in Iceland has resulted in an average of 96 lice found on each salmon, causing outrage and protests against Norwegian fish farming companies.
Iceland
NRK

Another 'pretty abysmal' year for Yukon River chinook and fall chum salmon
A minimum of 42,500 chinook are supposed to get to their Canadian spawning waters to meet conservation goals. Only 15,300 of those fish made it to Eagle, near the Yukon border.
Whitehorse, Yukon, Canada
CBC

Researcher illustrates animal behaviour in wildfire-burned forest
Geneviève Degré-Timmons, a PhD candidate, is studying why caribou use burned lands and when they stop using them, and has created a painting to represent the cycle of the boreal forest and caribou interactions within it.
Northwest Territories, Canada
CBC

Okanagan's water board calls for temporary ban on out-of-province boats
The Okanagan Basin Water Board is proposing a temporary ban on out-of-province boats entering British Columbia's waterways to prevent the introduction of invasive mussels that could cause significant harm to the ecosystem and cost the province millions of dollars annually.
Okanagen Lake, British Columbia, Canada

Kenai borough Assembly asks governor to declare east side set-net economic disaster
The Kenai borough Assembly has passed a resolution asking the governor to declare an economic disaster for set-netters on the east side of Cook Inlet in Alaska, due to the closure of the fishery this year resulting in significant economic losses.
Kenai, Alaska, United States

Western Arctic Caribou Herd keeps shrinking, 2023 census shows
The Western Arctic Caribou Herd in Alaska has continued to decline, with a 7% decrease in population from the previous year, prompting concerns about the need for harvest reduction to preserve the herd.
Kobuk, Alaska, United States
Anchorage Daily News

A squeaky wheel with data: how Nipissing First Nation is healing environmental damage
Nipissing First Nation in Ontario, Canada is using innovative methods, such as aerating water and replacing invasive species with wild rice, to heal environmental damage and improve the ecosystem.
Ontario, Canada
The Narwhal

Expert Proposes Ban on Hunting Puffins
If puffin hunting is banned, that population is expected to decrease by over 10% over the next decade. If hunting continues to be permitted, however, the population is expected to decrease by 30% or even as much as 50% within that same period.
South Iceland
Iceland Review

Bering Sea fishing group grapples with how to invest pollock profits in Western Alaska
Amid declining salmon runs, Coastal Villages Region Fund has shifted away from subsidizing village-based seafood processing. Coastal Villages used to pursue that mission in large part by operating smaller commercial fisheries for salmon and halibut. Each year, the fishing season was an opportunity to earn wages at the group’s processing facilities or for local fishermen to earn cash selling their catch — an economic lifeline for many families in one of the state’s poorest regions.
Quinhagak, Alaska, United States
Anchorage Daily News

New Ambler Road draft expands on potential problems
The U.S. Department of the Interior released a 1,200-page supplemental environmental impact study (EIS) on the proposed Ambler Access Road in Alaska, which reveals potentially greater social and environmental impacts than previously thought, including concerns about disrupting traditional hunting and fishing lifestyles and causing permafrost thaw.
Ambler, Alaska, United States
Fairbanks Daily News-Miner

Hooper Bay's dunes, home to the community’s cultural history, are slipping into the sea
The sand dunes in Hooper Bay, Alaska, which serve as a protective barrier against storms and preserve the community's cultural history, are rapidly eroding and may lead to the relocation of the village. The dunes were once home to sod houses and artifacts dating back to 1600 A.D. The loss of the dunes threatens not only subsistence food resources but also the community's connection to its past. As the dunes continue to erode, there are concerns about the potential relocation of the community and the preservation of their stories and artifacts.
Hooper Bay, Alaska, United States
KYUK

A year after Typhoon Merbok, some coastal Alaskans struggle to find subsistence foods
Coastal Alaskans in Hooper Bay and Chevak are struggling to find subsistence foods, such as berries and underground caches of roots called “mouse food”, due to the impact of Typhoon Merbok's storm surge and a cold, rainy summer.
Hooper Bay, Alaska, United States

‘Too hot’ for salmon: How climate change is contributing to the Yukon salmon collapse
Researchers say climate change is playing a big role in the collapse, which has left thousands of people along the river without the salmon they depend on.
Yukon River, Alaska

High levels of 'forever chemicals' found in Swedish crayfish
Swedish crayfish sold in stores have been found to contain high levels of PFAS chemicals, with four out of seven packages exceeding the safety limit set by EU law, according to the Swedish Society for Nature Conservation.
Björkvik, Västerbotten, Sweden
Sveriges Radio

Southeast Alaska harvest data shows moose moving to new areas
Moose in Southeast Alaska are being harvested in new areas, indicating a potential expansion of their population and distribution.
Petersburg, Alaska, United States
KTOO

Efforts underway to save salmon trapped in B.C. lake due to drought
More than 80 per cent of B.C.'s water basins are experiencing level 4 or 5 drought conditions, with salmon in many parts of the province struggling to make it to their spawning grounds.
Kamloops, British Columbia, Canada

Hunters concerned there are too few moose in the Swedish forests
The number of moose in Swedish forests has decreased by a third in the past decade, leading hunters to worry about the future of the annual moose hunt and calling for lower hunting quotas to stabilize the population.
Sweden
Sveriges Radio

Can I safely eat the strawberries I picked?
"I am concerned about high levels of PFAS contamination in the drinking water?"
Cold Bay, Alaska, United States
Nadine Kochuten, Sarah Yoder, Brian Berube, Christy McDonald, Karen Pletnikoff, Bailey Richards

Retreating sea ice in Arctic affecting zooplankton behaviour
“Particularly when it comes to the topmost 20 metres of the water column, just below the sea ice, there was no available data on the zooplankton,” Hauke Flores, a researcher from the  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI),said in a statement. “But it’s precisely this hard-to-reach area that’s most interesting,
ArcticToday

Severe Vibrio vulnificus Infections in the United States Associated with Warming Coastal Waters
Severe Vibrio vulnificus infections in the United States are associated with warming coastal waters, with an increase in infections in the Eastern United States and an expanded geographic range.
United States
CDC - Health Alert Network (HAN) - 00497 |

Pretty but pesky: Alaskans wage war on invasive plants
A "weed smackdown" at an Anchorage park is part of a long-running campaign to stop the spread of plants that are harming the natural ecosystem.
Alaska, United States

Sunflower stars take center stage in kelp research
A decline in the population of sea otters, a well-known predator of urchins and other kelp-eating critters, led to the spread of “urchin barrens” along the Pacific coast, where urchins have mowed down entire kelp forests. Now, researchers are trying to figure out if, and how, other predators such as sunflower stars could play a complementary role in protecting the kelp forests.
Sitka, Alaska, United States

State opens Kuskokwim River commercial fishing to 1 person
Commercial fishing openers are only available to individuals registered as catcher/sellers. On the Kuskokwim, the only one registered is Fran Reich.
Bethel, Alaska, United States

Alaska to receive federal funds for fish-friendly culverts
The most-expensive project in the nationwide initiative is $25 million for Alaska to replace a dozen culvert sites along the Parks Highway.
Alaska, United States

Harmful algal bloom monitoring gets underway
The R/V Sikuliaq is a familiar sight in the Port of Nome. The ice-breaking research vessel is owned by the National Science Foundation and operated by the University of Alaska Fairbanks. This year, while the vessel is out at sea it will be collecting water that could signal whether a bloom is occurring.
Nome, Alaska, United States
The Nome Nugget

Bristol Bay sportfishing regulations change, in response to concerns over king salmon decline
As king salmon decline in the Bristol Bay region, changes to king salmon harvest include reduced bag limits, area closures, as well as the introduction of youth-only fisheries in the Naknek River.
Bristol Bay, Alaska
KDLG

Scientist warns of heightened PSP toxins' impact on Yukon salmon
Knik Tribe officials have found very high levels of the toxin which causes paralytic shellfish poisoning in samples from Southern Alaska mussels and clams — but they warn that parts of some fish, including king salmon, may also contain the toxin
Yukon River, Alaska

How to Siifish: Traditional Knowledge from the Northwest Arctic
This film is for young people and anyone in the Northwest Arctic who is curious about how (and why) to siifish, and how to process the fish after catching.
Kotzebue, Alaska, United States
YouTube

Ancient Indigenous 'clam gardens' could be modern-day climate solution
For close to four millennia, "clam gardens" on beaches on the west coast of B.C. have provided First Nations with a supply of not just clams but other types of seafood. Scientific experimentation by researchers from Simon Fraser University, in collaboration with Coastal Salish First Nations, indicates clam gardens help sea life stay cooler. The research aims to show how ancient Indigenous practices offer a modern-day solution to coping with climate change.
Russell Island,, British Columbia, Canada

A large fish that fills freezers in Northwest Alaska could be in danger
Following a thaw slump, the water becomes cloudy and full of sediment, potentially suffocating the eggs of spawning sheefish. Scientists are concerned that permafrost thaw could lead to declines in the sheefish population, a staple food for many Alaskans.
Kotzebue, Alaska, United States

Puffin Population Declining More Rapidly than Previously Believed
The Icelandic puffin population has shrunk by 70% in the last thirty years. The Managing Director of the Icelandic Travel Industry Association (SAF) has stated that this is bad news for the ecosystem and for companies within the tourist sector, who have marketed the puffin as a kind of national symbol. Decline much worse than […]
Iceland
Iceland Review

One gardener’s ambitious plan to plant half a million carrots is growing Kodiak’s local food movement
You could say Dave Jackson is Kodiak’s carrot kingpin. Carrots are one of the key vegetables in the gardening/farming practices in the archipelago's of Alaska
Kodiak, Alaska, United States

Dozens express frustration about idea to reduce caribou harvest
The U.S. Fish and Wildlife Service Office of Subsistence Management held the second public hearing on May 2 about the proposal to reduce the caribou harvest limit for resident hunters across the range of the Western Arctic Caribou Herd from five caribou per day to four caribou per year, only one of which may be a cow.
Northwest Arctic and North Slope, Alaska
Arctic Sounder

OPINION: The end of an era for Alaska fishing may already be here
This summer, Kenai Peninsula beaches from Ninilchik to Kenai will be empty of setnets and buoys. Family-run commerial fishing businesses, a major economic force in the Cook Inlet region since territorial days, have been shut down and may not be coming back.
Homer, Alaska, United States

No clamming in Ninilchik or Clam Gulch this year
Adult abundance “well below” fishery thresholds on both beaches. This outcome was not unanticipated, as the department said when opening the fishery in Ninilchik last year that adult abundance met necessary thresholds for allowing harvest — at least meeting or exceeding 50% of the historical average — but juvenile abundance was low, meaning there would likely not be enough adult clams this year or next.
Homer, Alaska, United States
Homer News

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