Ecosystems

How a Wayward Arctic Current Could Cool the Climate in Europe
December 11, 2017 09:28 AM - Yale Environment 360

For millennia, the Beaufort Gyre — a massive wind-driven current in the Arctic Ocean — has been regulating climate and sea ice formation at the top of the world. Like a giant spinning top, the gyre corrals vast amounts of sea ice. Trapped in this clockwise swirl, the ice has historically had more time to thicken than it generally does in other parts of the Arctic Ocean, where currents such as the Trans Polar Drift transport the ice into the warmer north Atlantic more rapidly. In this way, the Beaufort Gyre — located north of Alaska and Canada’s Yukon Territory — has helped create the abundant layers of sea ice that, until recently, covered large parts of the Arctic Ocean year-round.

Already on Brink, Right Whales Are Pushed Closer to the Edge
December 8, 2017 05:09 PM - Yale Environment 360

North Atlantic right whales are one of the world’s most critically endangered large whales, but if you’re lucky, you can still see them: a mother nursing her newborn in the warm waters off the Georgia or Florida coast, their only known calving grounds; right whales socializing and feeding in the fertile waters of Cape Cod Bay, sometimes within sight of shore; whales — black, 50 feet long, and weighing some 100,000 pounds — rising through the water in the Bay of Fundy or the Gulf of St. Lawrence, the northern end of their thousand-mile-plus migration route.

Stopping the next wave of invasive species in Saskatchewan lakes
December 8, 2017 08:01 AM - University of Regina

Invasive species continue to be a critical threat to freshwater ecosystems in Saskatchewan and across North America.

But the species that have yet to enter Saskatchewan waters might be of greatest concern.

Researchers Model Optimal Amount of Rainfall for Plants
December 6, 2017 04:12 PM - Oregon State University

Researchers have determined what could be considered a “Goldilocks” climate for rainfall use by plants: not too wet and not too dry. 

Satellite Tracking Provides Clues About South Atlantic Sea Turtles' 'Lost Years'
December 6, 2017 04:08 PM - University of Central Florida

A University of Central Florida biologist whose groundbreaking work tracking the movements of sea turtle yearlings in the North Atlantic Ocean attracted international attention has completed a similar study in the South Atlantic with surprising results.

Decades-Past Logging Still Threatens Spotted Owls in National Forests
December 6, 2017 04:05 PM - University of Wisconsin-Madison

Logging of the largest trees in the Sierra Nevada’s national forests ended in the early 1990s after agreements were struck to protect species’ habitat.

Freezing trees, finding answers
December 6, 2017 01:09 PM - American Society of Agronomy

Researchers study impact of ice storms, climate change

Avian Flu From Abroad Can Spread in North American Poultry, Wild Birds
December 6, 2017 08:08 AM - USGS (United States Geological Survey)

Some avian influenza, or bird flu, viruses that are able to enter North America from other continents through migrating birds can be deadly to poultry and can infect waterfowl populations, according to a recently published U.S. Geological Survey study.

Seaweed Could Hold Key to Environmentally Friendly Sunscreen
December 5, 2017 12:45 PM - Kings College London

A compound found in seaweed could protect human skin from the damaging impact of the sun without causing harm to marine ecosystems. 

Seaweed Could Hold Key to Environmentally Friendly Sunscreen
December 5, 2017 12:45 PM - Kings College London

A compound found in seaweed could protect human skin from the damaging impact of the sun without causing harm to marine ecosystems. 

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