Climate Change

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Posted on March 13, 2018 - 10:25am, by raye
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Via The Guardian

"Krill are a key part of the delicate Antarctic food chain. They feed on marine algae and are a key source of food for whales, penguins and seals. They are also important in removing the greenhouse gas carbon dioxide from the atmosphere by eating carbon-rich food near the surface and excreting it when they sink to lower, colder water."

Community Updates - External Link
Posted on March 12, 2018 - 10:54am, by raye
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Via Hakai Magazine

"The foraging seabirds, which spew their stomach contents when handled, tell researchers what’s swimming in areas they can’t otherwise observe. For decades, the birds were catching almost entirely Arctic species like polar cod. But in 2007, capelin, an Atlantic fish, suddenly took over. Atlantic cod, herring, and other warmer-water denizens soon followed. Today, Atlantic species all but rule the kittiwakes’ diet."

Community Updates - External Link
Posted on March 12, 2018 - 10:48am, by raye
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Via Phys.org

"Ocean conditions off most of the U.S. West Coast are returning roughly to average, after an extreme marine heat wave from about 2014 to 2016 disrupted the California Current Ecosystem and shifted many species beyond their traditional range, according to a new report from NOAA Fisheries' two marine laboratories on the West Coast. Some warm waters remain off the Pacific Northwest, however."

Community Updates - External Link
Posted on March 5, 2018 - 10:27am, by raye
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Via Ars Technica

"While experiments have found that fish lose the ability to properly respond to either scent or visual signals of prey or predators when pH drops, the fish in these experiments behaved normally as long as both scent and visual signals were there. And critically, since the algae and plants in these tanks grew faster with more CO2 in the water, grazing fish and shrimp also did well as a result."

Community Updates - External Link
Posted on March 2, 2018 - 9:40am, by raye
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Via Oceans Deeply

"Cooley, a marine scientist by training, has pushed for bills recently introduced in the House and Senate that direct the secretary of commerce to assess the impact of ocean acidification on coastal communities. For example, said Cooley, the secretary could look at the economic impact on local shellfish fisheries and aquaculture. The House bill, introduced last May, currently has 18 Democrats and five Republicans as cosponsors and a Senate bill introduced in December is being sponsored by two Democrats and two Republicans. The bills only call for reports, so they take small steps, but they also help engage lawmakers on the issue, according to Cooley."

Community Updates - External Link
Posted on March 1, 2018 - 11:28am, by raye
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Via Reuters

"Whales are one of the main tourist draws for Marino Ballena National Park, one of Costa Rica’s most visited natural areas. As climate change hits the country’s parks and biodiversity, it is also threatening local economies highly dependent on tourism, scientists and local people say."

Community Updates - External Link
Posted on February 26, 2018 - 10:14am, by raye
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Via New York Times

"The problem, in the argot of flood protection, is that the Army Corps of Engineers designed the new system to protect against the storms that would cause a “100-year” flood — a flood with a 1 percent chance of occurring in any given year. And that, experts say, is simply insufficient for an urban area certain to face more powerful storms."

Community Updates - External Link
Posted on February 26, 2018 - 10:03am, by raye
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Via New York Times

"A relentless succession of hurricanes and tropical storms — three last season alone — has accelerated the decay. In all, more than 2,000 square miles, an expanse larger than the state of Delaware, have disappeared since 1932."

Community Updates - External Link
Posted on February 22, 2018 - 11:29am, by raye
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Via KQED Science

"The prognosis for California’s coastal wetlands is not good — and that has broad implications for the state’s resilience against the impacts of climate change."

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