Coral Triangle: The giant hidden 'Amazon' beneath the sea that appears somewhat resilient to climate change

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Coral Triangle: The giant hidden 'Amazon' beneath the sea that appears somewhat resilient to climate change
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Sascha is a U.K.-based staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe.

Rocket-like jellyfish, regal Komodo dragon and harrowing whale rescue — see the stunning Ocean Photographer of the Year 2025 finalistsNASA finds multi-billion-year-old 'coral' on MarsThe Coral Triangle is a tropical marine region between the Pacific and Indian oceans where 76% of Earth's coral species are found.

It encompasses 2.3 million square miles of ocean around the Philippines, Indonesia and Papua New Guinea, and stretches south to Timor-Leste and as far east as the Solomon Islands. Biodiversity in the Coral Triangle is much higher than in other regions with coral reefs, such as the Caribbean Sea and the southwest Pacific Ocean. Around 605 reef-building coral species inhabit the Coral Triangle — 10 times the number in the Caribbean Sea, according to an These corals provide a home for six of the world's seven sea turtle species and 37% of the world's coral reef fish species, as well as marine mammals like dolphins, dugongs, blue whales and sperm whales, according to the NHM article. This incredible array of species has earned the Coral Triangle the nickname the"Amazon of the sea.", a coral expert and marine biologist at the NHM, said in the article."Scientists have been trying to understand why it's so diverse for a very long time." In fact, British naturalist and explorer Alfred Russel Wallace was working there when Charles Darwin was alive, trying to solve the same problem, she added. Wallace traveled through the Malay Archipelago between mainland Southeast Asia and Australia, collecting specimens and developing theories regarding the region's staggering biodiversity. He came up with what scientists call the"Wallace Line" — aScientists today have more tools at their disposal to understand the region, with evidence suggesting that murkier conditions in the Coral Triangle compared with other shallow tropical waters may provide a haven for different species. The Coral Triangle has been a biodiversity hotspot for at least the past 20 million years, and this is partly thanks to a huge variety of habitat types and optimal conditions for larvae that ride on ocean currents, according to the nongovernmental organization. Unlike temperate and polar marine regions that have undergone glaciations, tropical regions like the Coral Triangle have remained relatively stable. And what sets this region apart from other tropical seas is its unique, platform-like geology and location at the intersection between two oceans,Like other coral reef regions, the Coral Triangle is vulnerable to overfishing, pollution from coastal development, and ocean acidification linked toTaal Lake: The volcanic crater that has 'an island within a lake, within an island within a lake, within an island' Jellyfish Lake: Palau's saltwater pool with a toxic bottom and surface waters brimming with millions of jellyfish "Corals living under continuous sediment stress seem to be more resilient, as the mud may block light, which in turn alleviates bleaching stress induced by high temperatures,"Nevertheless, it's important to protect this patch of ocean, Johnson said."Nobody really thinks about these reefs," he said,"but they might be the ones we really want to protect."Sascha is a U.K.-based staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe. Besides writing, she enjoys playing tennis, bread-making and browsing second-hand shops for hidden gems.Rocket-like jellyfish, regal Komodo dragon and harrowing whale rescue — see the stunning Ocean Photographer of the Year 2025 finalists Massive system of rotating ocean currents in the North Atlantic is behaving strangely — and it may be reaching a tipping point Rocket-like jellyfish, regal Komodo dragon and harrowing whale rescue — see the stunning Ocean Photographer of the Year 2025 finalists 'The papyrus also recommends putting a clove of garlic in your vagina before bed': The texts that reveal the baffling healthcare for women in ancient Egypt 'The Big One' could be even worse than COVID-19. Here's what epidemiologist Michael Osterholm says we can learn from past pandemics. Comet 3I/ATLAS is losing water 'like a fire hose' on full blast, 'rewriting what we thought we knew' about alien star systems

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