“There were two spawning periods this year on coral colonies across the islands. One was in April and the other occurred on Tuesday, Wednesday, and Thursday. We didn’t see any spawning on Tuesday morning, but they certainly could have spawned earlier in April.”
Spawning was observed in Kīholo Bay, Papa Bay, He‘eia Bay and at Kahalu‘u Bay at various times this week.
Coral reproduction is tied to both the lunar and tidal cycles. “If you track the timing of the moon phase, as well as the outgoing tides, you get a good idea of when coral tend to spawn.”
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Coral reefs are one of Earth’s most diverse ecosystems. They provide significant ecological, economic, and societal benefits valued, globally, at about USD$9.8 trillion each year (de Groot et al. 2012, Costanza et al. 2014). Unfortunately, reefs worldwide are threatened by an increasing array of impacts, primarily from global climate change, unsustainable fishing practices, and land-based pollution. To learn more visit Coral Reef Watch Home
For more scientific insight on a specific paper released May 20, 2022 in Nature titled; “Intrapopulation adaptive variance supports thermal tolerance in a reef-building coral”
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