Tuesday, August 11, 2009

The team found that the number of young corals doubled in areas in which native fish, such as parrotfish, were protected from being caught. Young cora

The team found that the number of young corals doubled in areas in which native fish, such as parrotfish, were

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protected from being caught. Young corals are needed to replace older corals that have been killed by storms, disease or other problems. The reserve enabled young corals to survive exceptionally well because marauding seaweeds were controlled by grazing from plentiful numbers of parrotfishes living in the reserve.

Coral bleaching is associated with a variety of factors, especially increased ocean temperatures. This causes the coral to expel symbiotic micro-algae

Coral bleaching is associated with a variety of factors, especially increased ocean temperatures. This causes the coral to

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expel symbiotic micro-algae living in their tissues – algae that provide sustenance for coral. The loss of algae leaves coral tissue devoid of color, making it appear bleached.

The 2008 report is the third in a series, representing an evolving effort to track the condition of coral reef ecosystems at both local and national s

The 2008 report is the third in a series, representing an evolving effort to track the condition of coral reef ecosystems at both local and

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national scales. It was called for in the National Coral Reef Action Strategy (NCRAS) and was designed to address the primary threats, goals and objectives outlined in the NCRAS, the Coral Reef Conservation Act of 2000, and other guid¬ance documents. NOAA's Center for Coastal Monitoring and Assessment's Biogeography Branch led the development and production of the report with support from NOAA's Coral Reef Conserva¬tion Program.

Funded by the Natural Environment Research Council (NERC) and the US National Oceanic & Atmospheric Administration (NOAA), the research was carried ou

Funded by the Natural Environment Research Council (NERC) and the US National Oceanic & Atmospheric Administration

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(NOAA), the research was carried out on The Bahamas' Exuma Cays Land and Sea Park. At 442 square km, this is one of the largest and most successful marine reserves in the Caribbean.

The conditions of U.S. coral reefs have been declining for several decades according to the report's authors. As an indicator of this decline, since t

The conditions of U.S. coral reefs have been declining for several decades according to the report's authors. As

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an indicator of this decline, since the last status report was released in 2005, two coral species -- Elkhorn and Staghorn corals --- have become the first corals ever listed as threatened under the Endangered Species Act.