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Endangered corals smothered by sponges on overfished Caribbean reefs

2015-04-28 12:00:00| LifeSciencesWorld

[NEWS] For reef-building corals, sponges do not make good neighbors. Aggressive competitors for space, sponges use toxins, mucus, shading, and smothering to kill adjacent coral colonies and then grow on their skeletons. A recent survey of coral reefs across the Caribbean shows that overfishing removes the predators of sponges, greatly increasing the threat of fast-growing sponges to an already diminished population of corals. A research team headed by Dr. Joseph Pawlik at U…

Tags: caribbean endangered reefs corals

 

The Observer view on the destruction of the worlds great coral reefs

2015-04-12 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Guardian: In a few weeks, members of Unescos world heritage committee will meet in Bonn to discuss a simple, but disturbing proposition: that Australias Great Barrier Reef, the worlds largest coral reef system, be listed as being in danger. The reef, worth an estimated $Aus5bn (2.6bn) a year in tourism to the nation, is a world heritage site and contains more than 400 types of coral and 1,500 species of fish. Set in turquoise waters off the coast of Queensland, the 1,400-mile reef is one of the planets...

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Coral Reefs in Danger, Fish Are the Answer

2015-04-09 21:04:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World: It is no secret that in the midst of climate change, coral reefs around the world are suffering. However, a warming world is not the only factor putting these reefs in danger - overfishing also plagues these colorful ecosystems. And now new research offers a glimmer of hope, finding that fish are the answer to their problems. According to scientists from the Australian Institute of Marine Science, Wildlife Conservation Society (WCS), James Cook University, and other organizations, fish are the...

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Warming oceans could spell disaster for coral reefs

2015-02-19 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

CBS: It looks like 2015 is shaping up to be a bad year for coral reefs. The National Oceanic and Atmospheric Administration warned this week that warm waters in the tropical Pacific and Indian Oceans spark widespread coral bleaching across the world this year - making it the third time in less than two decades that this has occurred. Reefs are one of the world's most important ecosystems, supporting more species than any other marine environment including 4,000 fish species. They are also a crucial...

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Indonesia coral reefs under dire climate-change threat

2015-02-12 09:41:00| Climate Ark Climate Change & Global Warming Newsfeed

Al Jazeera: Indonesia's once pristine coral reefs have been severely threatened by rising temperatures reportedly caused by climate change. They are suffering from bleaching, so instead of their normal myriad of colours, they are turning completely white. Al Jazeera's Steve Chao visited one of the world's most important coral reefs facing destruction in Indonesia.

Tags: dire indonesia threat coral

 

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