Describe the probable effect to the ecosystem if all corals were ruined due to
human activities. What could be the result if corals are already few in the coral reef ecosystem?
human activities. What could be the result if corals are already few in the coral reef ecosystem?
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One-third of the 3,863 reefs that make up the Great Barrier Reef — the largest, most extensive reef system in the world — went through a catastrophic die-off after a searing heat wave in 2016, according to a study newly published in the journal Nature. A bleaching event in 2017 devastated even more of that reef, and the cumulative effects have killed an estimated half of the magnificent system in just two years.
The same devastation is hitting reefs around the world .According to some estimates, similar conditions around the globe have killed off about half the world's coral reefs in the past 30 years.
The Great Barrier Reef corals were vulnerable because they've been subjected to warming oceans that are rapidly becoming more acidic. Those changes have been driven by human-caused greenhouse gas emissions, which are warming the world and causing Earth's climate to change faster than reefs can keep up.
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