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19 de oct. de 2023 · Learn about natural and artificial reefs, their types, functions, and examples. Reefs are ridges of material at or near the surface of the ocean that support diverse ecosystems and human activities.
- Bio—Enric Sala
Explorer in Residence Enric Sala Marine Ecologist. Enric...
- Coral Reefs
Scientists estimate that 25 percent of all marine species...
- Bio—Enric Sala
Reef. A reef is a ridge or shoal of rock, coral, or similar relatively stable material lying beneath the surface of a natural body of water. [1] Many reefs result from natural, abiotic (non-living) processes such as deposition of sand or wave erosion planing down rock outcrops. However, reefs such as the coral reefs of tropical waters are ...
11 de may. de 2024 · Learn about coral reefs, the rainforests of the sea, formed by algae and coral polyps in shallow ocean areas. Explore their types, features, origins, and challenges from climate change and human activities.
1 de feb. de 2019 · Learn about the diversity, characteristics, benefits, and threats of coral reefs, some of the most diverse ecosystems in the world. Find out how NOAA scientists study, protect, and conserve these vital habitats and the organisms that depend on them.
7 de nov. de 2017 · What are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know about reefs and the tiny animals—polyps—that build them? Learn all about coral and...
A report by the Global Coral Reef Monitoring Network documents the loss of 14 percent of the world’s coral since 2009 due to global warming and other threats. Coral reefs are vital ecosystems that support marine biodiversity and human well-being, but are highly vulnerable to climate change and ocean acidification.
