During the annual Great Barrier Reef spawning event, tourism operators and researchers utilized the innovative 'coral IVF' technique to enhance coral reproduction and contribute to the reef's restoration.
Tourism operators and the local reef industry worked overnight during the annual Great Barrier Reef spawning event, implementing restoration techniques to help boost healthy coral numbers. The annual coral spawning event, triggered by the November full moon, sees the Great Barrier Reef 's corals come to life in an underwater 'snowstorm' by releasing trillions of eggs and sperm into the water in a mass breeding phenomenon.
This year, a team from the Australian Institute of Marine Science, along with Cairns and Port Douglas tourism operators and marine industries, used the innovative 'coral IVF' technique to boost coral baby production during spawning. Scientists estimate that coral IVF improves fertilisation rates by 100-fold - raising chances from one in a million in natural settings to one in 10,000. The event occurs at night, reducing the risk of consumption by plankton-eating fish. The eggs and sperm rise to the ocean's surface, where they form a pink-brown slick. Fertilisation takes place as eggs and sperm combine to produce larvae, which develop into coral polyps over about ten days. These polyps then settle on the reef, growing into new coral structures and contributing to the reef's regeneration. This natural process is essential for maintaining the biodiversity and resilience of the Great Barrier Reef. Coral IVF is an overnight process, where millions of coral eggs and sperm are captured and placed in specially designed floating larval pools set up in two different locations in the region. The delicate spawn bundles will stay in the nursery pools for up to a week as they develop into coral babies. Once ready, they are placed onto reefs, which include locations that have been impacted by recent bleaching events , where they can grow into healthy young corals and help bring new life to the Great Barrier Ree
Great Barrier Reef Coral Spawning Coral IVF Restoration Biodiversity
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