In 1983 the first coral bleaching was observed during a strong El Niño. The first worldwide coral bleaching event occurred in 1998, and then again in 2010. The period between 2014 and 2017 was the most prolonged and widespread bleaching event ever recorded. It resulted in the death of approximately two-thirds of the corals in the northern part of Australia’s Great Barrier Reef.
What causes these bleaching events is the rising temperatures of the ocean brought on by climate change. Rising temperatures put the coral under high amounts of stress, causing it to expel algae, its food. This occurrence leaves the coral vulnerable to disease, stunts growth, affects reproduction, and can result in death.
The world has lost half of its reefs in the last 30 years. This continued loss of coral reef systems worldwide could have a significant negative impact on sea life. For millions of peoples worldwide…
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