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27
Researchers have examined corals from the Great Barrier Reef affected by the Black Band Disease and identified the critical parameters that allow this prevalent disease to cause wide mortality of corals around the world. Corals infected with Black Band show a characteristic appearance of healthy tissue displaced by a dark front, the so called Black Band, which leaves the white limestone skeleton of the coral animal exposed. The dark front is commonly one to two centimeters broad and consists of a complex microbial community among which there are phototrophic cyanobacteria, sulfur oxidizing bacteria and sulfate reducing microorganisms.

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24
In the search for sustainability of the ocean's fisheries, solutions can be found in a surprising place: the ancient past. Marine scientists reconstructed fisheries yields over seven centuries of human habitation in Hawaii and the Florida Keys, the largest coral reef ecosystems in the United States, and evaluated the management strategies associated with periods of sustainability. The results surprised them.

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19
A new study indicates that "co-management" -- a collaborative arrangement between local communities, conservation groups, and governments -- provides one solution to a vexing global problem: overfishing.

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15
Special conservation zones known as marine protected areas provide many direct benefits to fisheries and coral reefs. However, such zones appear to offer limited help to corals in their battle against global warming, according to a new study.

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10
Coral reefs are among the ecosystems most severely threatened by global warming, but hopeful new evidence has emerged that some coral species may be able to adapt to warmer oceans. Researchers now report on coral populations which unexpectedly survived a massive bleaching event in 2010 in Southeast Asian waters and had previously experienced severe bleaching during an event in 1998.

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08
Young coral reef fish use sounds, smells and visual cues to find their nursery grounds, according to new research. By testing how young French grunts (a common fish in Curaçao and throughout the Caribbean) responded to local sounds, smells and visual cues, the researchers have unlocked, for the first time, the mystery of how centimeter-long juvenile fish can navigate from the high seas to find their shoal mates in amongst the roots of mangrove trees or blades of seagrass.

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08
Scientists have used video cameras to count Caribbean reef sharks (Carcharhinus perezi) inside and outside marine reserves on the Mesoamerican Barrier Reef in the Caribbean Sea. Using survey data collected from 200 baited remote underwater video cameras, nicknamed "chum cams," the scientists compared the relative abundance of these reef sharks in two marine reserves with those in two areas where fishing is allowed, and demonstrated that the sharks were more abundant in the reserves.

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01
The world's oceans may be turning acidic faster today from human carbon emissions than they did during four major extinctions in the last 300 million years, when natural pulses of carbon sent global temperatures soaring, says a new study. The study is the first of its kind to survey the geologic record for evidence of ocean acidification over this vast time period.

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