Ocean acidification is the "reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon dioxide (CO2)," and it's a large threat to coral reefs especially ...

To rehabilitate the reef ... to stimulate coral growth. While these techniques have been effective to different degrees, they are generally not feasible at large scales. And, although this ...

Threat level: "We are confident in saying that a widespread, large-scale coral bleaching event is happening," said ecologist Derek Manzello, who coordinates NOAA's Coral Reef Watch program ...

It is one of four large pieces collected in the late nineteenth century ... one of the biggest challenges facing our natural world today. Layers of rock off the coast of southern England reveal ...

some coming from the large numbers of tourists who visit them for a variety of leisure activities. Coral colonies are threatened by souvenir collection from divers, and shallow reefs can be ...

In large numbers, crown-of-thorns starfish can mow down wide swaths of coral reef. The International Union for Conservation of Nature (IUCN) reports that Acropora species are in the top three ...

January 21 - The world’s coral reefs are in the midst of an ecological crisis. These vital ecosystems, home to a quarter of all marine species and a lifeline for more than a billion people ...

The kikumeishimodoki, or zebra coral, lies about 20 meters off the coast of the Kamo district of Tsuruoka in Yamagata Prefecture, which faces the Sea of Japan. The northern limit of the reef ...

PETALING JAYA: Over half of the coral reefs in Malaysian waters have been ... Mass bleaching refers to the large-scale bleaching of multiple coral species over wide areas.