LEO Network

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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

The parasite Kudoa transforms coastal cod into an unrecognizable mucus lump
The parasite Kudoa is causing trouble for the fishing industry in the southern hemisphere. By chance, researchers found the scary parasite in coastal cod from the Helgeland coast.
Hægeland, Agder, Norway
NRK

King crab boom in northern Norway has become multi-million dollar industry
This crab from the Pacific Ocean was once introduced into the Barents waters of the Soviet Union in Arctic Russia. Since then the invasive species has spread to Norway’s Barents Sea and a multi-million dollar industry has sprung up around it. In 2023 Norway exported 2,500 tons of king crab worth 1,2 billion kroner (€100 million).
Barrents, Norway
The Independent Barents Observer

Fire destroys Peter Pan Seafoods facility in Sand Point
A fire destroyed a Peter Pan Seafoods facility in Sand Point, Alaska, causing a pervasive smell of burning plastic from fishing gear stored on-site.
Sand Point, Alaska, United States
Alaska Public Media

How Alaska wildlife officials saved a humpback whale found 'hogtied' to a 300-pound crab pot
Alaska wildlife officials collaborated with whale experts to successfully rescue a humpback whale that was entangled in crabbing gear off the coast of Gustavus, Alaska, preventing it from dying.
Gustavus, Alaska, United States
Alaska Public Media

Sea Lice Outbreak Claims At Least 1 Million Salmon in Tálknafjörður
An unprecedented outbreak of sea lice in Tálknafjörður has led to the loss, or the need to dispose of, at least one million salmon. “Nobody has seen anything like this before. There is a Norwegian veterinarian who has been working in Iceland because of this and he has never seen anything like this in his 30-year career,” Karl Steinar observed.
Talknafjordur, Westfjords, Iceland
Iceland Review

Invasive Elodea in Piledriver Slough
Invasive Elodea has been observed since 2020.
Moose Creek, Alaska, United States

Invasive Elodea in 28 Mile Pit
Elodea found on and near Eielson Airforce Base
Eielson Air Force Base, Alaska, United States

Invasive Elodea in Chena Slough
Invasive elodea decade history in the Chena slough with mitigation and persistent infestation.
North Pole, Alaska, United States

Alaska cancels snow crab harvest again due to population concerns
The snow crab harvest in Alaska has been canceled for the second year in a row due to concerns about population sustainability, but red king crab and Tanner crab will be available for commercial fishermen this season. Last year was the first time in history the U.S. snow crab fishery was closed. The Alaska Department of Fish and Game said the harvests were closed over concerns about long-term conservation and the sustainability of crab stocks.
Kodiak, Alaska, United States

Farmed Salmon Caught in Rivers Across Northwest Iceland
Escapted farmed salmon threatens wild salmon stocks across Northwest Iceland, where it has entered rivers.
Patreksfjörður, Westfjords, Iceland
Iceland Review

A temporary ban on salmon fishing was introduced in Chukotka
A temporary ban on all salmon fishing has been implemented in Chukotka, Russia due to declining salmon populations.
Anadyr, Chukotskiy Avtonomnyy Okrug, Russia
Prochukotku.ru

Waterfalls now 'trickling': Low water brings changes to Hay River, N.W.T.
Impressive amounts of water normally rush over Alexandra Falls and Louise Falls in the N.W.T. But amid hot and dry conditions, These majestic waterfalls look nothing like they do at their full force.
Hay River, Northwest Territories, Canada
CBC

With thousands of sockeyes passing Bethel each day, dipnets are catching on
Amid severely restricted fishing on the Kuskokwim River, one bright spot has been abundant sockeye salmon runs at 30,000 fish daily near Bethel.
Bethel, Alaska, United States
Alaska Public Media

Caught 4000 pink salmon in one net throw: "That's an indescribable amount of fish"
Several thousand pink salmon were caught in one net in connection with the extraction of the blacklisted fish. Too many Pink Salmon in the oceans and rivers threaten other species of salmon in Norway.
Vestre Jakobselv, Norway
NRK

Skate caught in subsistence net
While subsistence salmon fishing, community members from Port Heiden found a skate in the net, which is unusual for them.
Port Heiden, Alaska, United States
Jaclyn Christensen, Jayde Ferguson, Shane Hertzog

Haddock is overfished off New England, regulators say, as they cut quotas
However, numerous fishermen say the assessment of a decline in the stock doesn't match what they're seeing on the water, where haddock appear to them to be plentiful.
Portsmouth, New Hampshire, United States
Press Herald

Invasive Elodea in Harding Lake
Elodea was first observed in Harding Lake in 2020 growing in isolated patches and has since been assessed and managed by the Fairbanks Soil and Water Conservation District and its partners.
Salcha, Alaska, United States

Salmon fishing banned along California coast as population plummets
It’s only the second time in history that the ocean salmon fishery has been closed in California, and the decision reflects a major decline in fish populations after the state’s driest three-year period on record.
Bolinas, California, United States
Los Angeles Times

Highly endangered Saimaa ringed seal pup found dead in fishing net
There was a slight rise in population numbers of the very rare animals last year.
Savonlinna, Southern Savonia, Finland
News

Late Alaska Winter
October flew by leaving us with a couple of light snowfalls. November came around with something slightly more impressive, but it wasn't the same. Mid December decided to make up for all of the snowfalls that we missed all at once, it seems like.
Anchorage, Alaska, United States
Richard L Thoman Jr, Mike Brook, Mackenzie Lord

Salmon struggle to spawn amid record-setting drought
Record-setting drought conditions have left many of B.C’s streams and waterways too low for salmon to swim up to spawn. Heiltsuk First Nation leaders say hundreds of fish were found rotting in a creek in Bella Bella, B.C., usually teeming by fall with migrating pink and chum salmon.
CBC

Fish die off near Kotzebue
Ali Ralson was riding her 4 Wheeler towards Cape Blossom and came upon a beach full of fish. It appears that most of the fish are stickleback although there may be other species involved too. This would suggest an environmental issue that would impact multiple fish species rather than a pathogen. One potential cause could be harmful algal toxins.
Cape Blossom
Gay Sheffield, Carmen Daggett, Joanna Barton, Ted Meyers, Jacqualine Schaeffer, Jayde Ferguson, Dean Stockwell, Bruce Wright

11 endangered sturgeon deaths in a week send B.C. scientists looking for answers
Scientists from B.C.’s provincial government are investigating a spike in dead sturgeons after 11 adult fish were found dead on the Nechako River over the past week.
Prince George, British Columbia, Canada
Glacier Media

Unidentified juvenile crab
Juvenille crab was found at a salmon set-net site. Is this a Puget Sound species that has now been found on the Alaska Peninsula?
Orzinski Bay
Tammy Davis, Karen Pletnikoff, Melissa Good, Asia Beder

Norton Sound crab fishery bounces back with record year following fishing hiatus
After no commercial crabbing since 2019, this summer’s Norton Sound Red King Crab fishery had a record year of $3.7 million dollars in ex-vessel value.
Nome, Alaska, United States
KNOM Radio Mission

Coastal fishermen report dramatically smaller herring catches in the Baltic Sea
Fishermen fishing close to the shore in the Baltic Sea have seen a steady decline in herring and Baltic herring catches over many years. Large-scale trawling further out at sea could be one of the reasons behind it.
Baltic Sea
Sveriges Radio

Evidence of invasive crab that could wreak havoc on Alaska fisheries found near Metlakatla
The European Green Crab are a threat to ecosystems and commercial fisheries. They uproot eelgrass beds in search of food, which serve as habitat for herring and salmon.
Metlakatla, Alaska, United States

Low early-run king numbers prompt restrictions
Off to a very slow start.
Juneau, Alaska, United States
Juneau Empire

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