Coral Reefs - National Geographic Society
WEBJul 18, 2024 · Learn what coral reefs are, why they are important, and how they are threatened by climate change. Find out how corals live with algae, what causes coral bleaching and acidification, and what we can do to protect them.
Coral reef | Description, Geochemistry, Origins, & Threats
WEB2 days ago · Learn about coral reefs, the rainforests of the sea, formed by algae and coral polyps in shallow ocean areas. Find out how coral reefs grow, what organisms live in them, and what threats they face from climate change and human activities.
Coral reef - Wikipedia
WEBLearn about coral reefs, underwater ecosystems built by coral polyps that provide diverse habitats for marine life. Find out how coral reefs form, where they are found, what threats they face and what services they provide.
Coral - National Geographic Society
WEBJul 18, 2024 · Learn about the diversity, structure, and symbiosis of corals, the animals that form reefs in the ocean. Find out how coral reefs benefit marine and human life, and what threats they face today.
Reef - National Geographic Society
WEBOct 19, 2023 · Learn about natural and artificial reefs, their types, functions, and examples. Coral reefs are natural reefs made of hard coral skeletons that provide shelter for diverse marine life.
Where are Coral Reefs? - Coral Reef Alliance
WEBLearn about the geography of coral reefs, which are found in tropical destinations around the world, mostly in areas around the equator. Find out which countries have the most coral reefs and how to support their conservation.
Coral Reefs 101 | National Geographic - YouTube
WEBLearn about coral and the tiny animals—polyps—that build coral reefs in tropical ocean waters. Find out why warming waters threaten the future of the reef ecosystem and how to protect it.
NOAA CoRIS - What are Coral Reefs
WEBAug 28, 2024 · Learn about the ancient and complex animals that build coral reefs, the largest structures on earth of biological origin. Discover how corals secrete calcium carbonate skeletons, host symbiotic algae, and form diverse ecosystems.
Coral reef - Marine Ecosystem, Formation, Diversity | Britannica
WEBSep 11, 2024 · Learn how coral reefs form and evolve in different marine environments, from barrier reefs to atolls, and how they are influenced by water conditions, light, and nutrients. Explore the geochemistry of reef skeletons and their trace elements, such as magnesium, strontium, and uranium.
Coral reef ecosystems - National Oceanic and Atmospheric Administration
WEBFeb 1, 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 and protect these habitats and what you can do to help conserve them.