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

Strong pollen spread in Eastern Norway
Extreme pollen spread in Eastern Norway is causing significant discomfort for allergy sufferers due to a combination of a long winter, delayed spring, and sudden warm, dry weather.
Norway
NRK

Peak Bloom Is Here, the 2nd Earliest on Record
Peak bloom of the cherry blossoms in Washington, DC, happened on March 17, ahead of the National Cherry Blossom Festival.
Washington, D.C., Washington, D.C., United States
Northern Virginia Magazine

Fighting beach erosion on a mangrove island
Workers are using sargassum and sand to rebuild the beach, with shore retention and reef protection in mind.
Long Caye, Belize

Summer flowers blooming in January
Unseasonable blooming of goldenrod (Subphylum Angiospermae).
Bellaire, Texas, United States

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

Very Late Foliage
Autumn colors have been quite delayed this year, maybe ten days to two weeks later than "usual"
Fox, Alaska, United States

Dying Western Red Cedars
Western red cedars in South Langley, BC are dying, with browning starting at the tops during summer and progressing downward until the trees are completely dead.
Langley, British Columbia, British Columbia, Canada

Red or Black Currants?
Red and Black Currants are present on the property and the moose seem to be picky about what berry they like to consume.
Anchorage, Alaska, United States

Something is eating salmonberry leaves
"This season we have observed many salmonberry bushes that appear to be defoliated. It seems something is eating the leaves. We have also noticed the berries look sickly."
Seldovia, Alaska, United States
Jessie Moan, Mike Rasy , Katie Spellman, DeShana York, Stephen Payton

Strange orange deposit on beach and waters of Kotzebue Sound
Out commercial fishing on the water in the inter Kotzebue Sound the weather was calm and there were miles and miles of a strange floating orange layer on the surface.
Kotzebue, Alaska, United States
Dean Stockwell, Jacqualine Schaeffer, Dean Stockwell, Derek Sikes, Gay Sheffield, Sarah Yoder

Wildfire smoke, climate change affecting N.W.T. berry pickers and their harvest
Cathy Pope, a berry picker from Norman Wells, N.W.T., said there has been an abundance of blueberries this year, and that she's "never seen it like this." Despite the ample availability of fruit, thick wildfire smoke — some of the worst in the country, at times — has made it hard for Pope to go out and pick.
Norman Wells, Northwest Territories, Canada
CBC

Insect on cloud berries
Is the abundance of insects unusual? Updates from around the state with picking and weather impacts.
Trapper Creek, Alaska, United States

Salmonberries are a month late
"We usually pick salmon berries in early July."
Seldovia Village, Alaska, United States
Mike Brubaker, Katie Spellman, Stephen Payton

In the absence of fireweed
A 24-hour, 245 mile survey of fireweed plants from Anchorage to Seldovia revealed an almost complete absence of flowering.
Seldovia Village, Alaska, United States

Scientists say Tongass trees could bounce back from budworm infestation
Scientists with the U.S. Forest Service believe that the blackheaded budworm, whose numbers surged over the past three years, is now in decline.
Chichigof Islands
Alaska Public Media

Finland's bilberry harvests mediocre at best, nature institute forecasts
Frost exposure and poor pollination are behind expectations for a less than ideal season, according to research institute Luke. Bilberry patches at particular risk are in the regions of South Karelia, Kainuu, Keminmaa, Ylitornio, as well as certain areas of Central and South Ostrobothnia.
Lappeenranta, South Karelia, Finland
News

Fireweed blooms hindered by foam?
Foam or saliva-looking substance on seen on flowering plants like fireweed and yarrow.
Anchorage, Alaska, United States
Derek Sikes, Julia Salt, Brandie Radigan, Chyna Williams

Cold, wet weather delays lucrative peony harvest in Southcentral Alaska
Alaska is one of the only places in the world where peony flowers grow in the summer months. But the unusually cold, wet weather this year is delaying the blooms by weeks.
Willow, Alaska, United States
Alaska Public Media
Tim Rockey, Alaska Public Media - Anchorage

Douglas Fir and Ponderosa Pine Regeneration in a Changing Climate
Factors like reduced summer precipitation, extreme heat events, and ponderosa pine's superior drought resilience highlight the need to adapt reforestation practices to species more suited to changing environmental conditions.
Castlegar, British Columbia, Canada

Drought in the Saanich Peninsula
“We spent the weekend outdoors camping on the peninsula and notices shoreline grasses has dried and shriveled.”
North Saanich, British Columbia, Canada

Alaska fire season begins with almost two dozen human-caused blazes
Twenty-three of the 25 fires so far this year were ignited by human activity. While this year’s heavy snowpack and cold spring pushed back the start to fire season in many parts of the state, climate change is generally causing an earlier snowmelt, said climatologist Rick Thoman.
Alaska, United States
Alaska Public Media
Kavitha George, Alaska Public Media - Anchorage

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

Landslide over county road – 100 people isolated
Alf Åge Teigmo heard a huge crash: "First came a river, then forest and large boulders.
Småvika, Flatanger, Trøndelag
NRK

Several new avalanches hit roads in the north – E6 closed
A landslide has closed busy highway 80 between Fauske and Bodø. The Nordland Line has also been affected. The weather has been very bad with large amounts of rainfall in Nordland today. There have been snow and slush avalanches in several places in the county, and a number of road and train sections have been closed due to avalanches.
Finneidfjord, Hemnes, Nordland, Norway
NRK
Mette Kristensen, Barbro Andersen, Emma Fondenes Øvrebø, Andreas Nilsen Trygstad, Ola Helness

Blue sap on spruce tree
Blue sap was found on a spruce tree.
Koliganek, Alaska, United States
Lars Flora, Gino Graziano, Elizabeth Graham, Constantine Johnson, Robin Mulvey

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