When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching. In January 2010, cold water temperatures in the Florida Keys caused a coral bleaching event that resulted in some coral death.
How is coral being destroyed?
Coral reefs face many threats from local sources, including: Physical damage or destruction from coastal development, dredging, quarrying, destructive fishing practices and gear, boat anchors and groundings, and recreational misuse (touching or removing corals).
How can we save coral?
Every DayRecycle and dispose of trash properly. Marine debris can be harmful to coral reefs. Minimize use of fertilizers. Use environmentally-friendly modes of transportation. Reduce stormwater runoff. Save energy at home and at work. Be conscious when buying aquarium fish. Spread the word!2 Aug 2021
What happens if we lose coral reefs?
The disappearance of coral reefs from our planet could lead to a domino effect of mass destruction. Many marine species will vanish after their only source of food disappears forever. Climate change and bleached coral will make coral-based tourism unappealing or non-existent, which will lead to job losses.
Is coral going extinct?
But, the planet has already lost half of its coral reefs over the last three decades, and more than 90% of them might become extinct by 2050. Corals face a number of threats including overfishing, diseases, and pollution, while the biggest of them all is climate change.
What is coral reef importance?
Coral reefs protect coastlines from storms and erosion, provide jobs for local communities, and offer opportunities for recreation. They are also are a source of food and new medicines. Over half a billion people depend on reefs for food, income, and protection.