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With its boundaries including waters from the shoreline to depths of 600 feet (180 m) in many areas, the sanctuary encompasses a variety of marine ecosystems, including seagrass beds and coral reefs. Much of the sanctuary has fringing coral reefs close to shore and deeper coral reefs offshore. Hawaii's coral reefs are noted for their isolation.
Coral Reef Conservation Program (CRCP) is a partnership between National Oceanic and Atmospheric Administration (NOAA) agencies, established in 2000. The program is a multidisciplinary approach, initiated by the NOAA, to managing and understanding coral reef ecosystems through research and the publication of data to support relevant partners involved in coral reef restoration.
Red pencil urchin – Papahānaumokuākea. The Papahānaumokuākea Marine National Monument (PMNM) (roughly / p ɑː p ɑː ˈ h ɑː n aʊ m oʊ k u ˌ ɑː k eɪ. ə / [2]) is a World Heritage listed U.S. national monument encompassing 583,000 square miles (1,510,000 km 2) of ocean waters, including ten islands and atolls of the Northwestern Hawaiian Islands.
The economic value of reefs is estimated at $2.7 trillion per year, according to a 2020 report from the Global Coral Reef Monitoring Network. “They protect our coastline. They offer protection ...
In a 2022 report by the U.N. Intergovernmental Panel on Climate Change, experts determined that just 1.2 C of warming would be enough to severely impact coral reefs, "with most available evidence ...
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It was discovered in 1820 by Captain Joseph Allen of the ship Maro, after whose ship the reef was named. With a total area of 747 square miles (1,935 km 2), it is the largest coral reef in the Northwestern Hawaiian Islands. It contains 37 species of stony coral. Unlike most atolls, the coral extends out from the center like spokes on a wheel.
The world is on the verge of a fourth mass coral bleaching event which could see wide swathes of tropical reefs die, including parts of Australia's Great Barrier Reef, the U.S. National Oceanic ...