01 Aug '11, 4pm

Some scientists think that loss of biodiversity could cause the complete collapse of marine ecosystems: #yikes #oceans

Some scientists think that loss of biodiversity could cause the complete collapse of marine ecosystems: #yikes #oceans

Lately I’ve been blogging a lot about saving sharks, but now it’s time for an interlude to touch on challenges at the other end of the marine food web. While conditions deteriorate for many of Earth’s salty denizens, jellyfish are thriving. This is due at least in part to the reduced number of natural predators (big fish) caused by overfishing, and the resultant unchecked proliferation of the jellies can have serious and unexpected consequences. For example, in two separate incidents this month, thousands of jellyfish were sucked into the water intakes of coastal power plants (one of them nuclear !) in Europe, causing coolant systems to go offline and forcing the plants to shut down. Meanwhile in Florida, swarms of sea nettles and cannonball jellies continued to wash ashore , stinging beachgoers and adding unwelcome excitement to beach holidays. Some scientists note that l...

Full article: http://switchboard.nrdc.org/blogs/lmonroe/jellyfish_sting...

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How the Loss of Predators Could Devastate the Earth's Ecosystems @envirograffiti #wildlife #biodiversity

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Reuters A coal-burning power plant in Wuhan, in Hubei Province in China. Climate scientists have long called for steps to ...

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green.blogs.nytimes.com 01 Aug '11, 7pm

Reuters A coal-burning power plant in Wuhan, in Hubei Province in China. Climate scientists have long called for steps to ...

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green.blogs.nytimes.com 01 Aug '11, 9pm

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