Hawaiian Reefs

Asner Lab partners with the State of Hawaii government and local communities to drive new science-based decision-making for coral reefs and fisheries.

In less than fifty years, Hawaii’s unique and highly endemic coral reefs have undergone alarming losses in coral extent and health as well as in fish populations. The Hawaiian Islands are now in a state of extremely variable reef conditions driven by a complex mosaic of coastal development, overfishing, and ocean warming. In response to these alarming losses, Hawaii Governor David Ige announced a new effort in 2016 to manage and conserve at least 30% of Hawaii’s reefs by 2030, known as the Holomua 30×30 Initiative. The new Marine 30×30 Initiative is requesting regional input data to drive innovative steps in marine spatial planning by which decisions on where and how to conserve remaining reefs will be made. Yet surprisingly, information is lacking on where Hawaii’s reefs and surviving corals are located, and no data exist on the spatially explicit condition of corals throughout the Hawaiian Archipelago.

For the Holomua 30×30 Initiative to succeed, it has been repeatedly stated that conservation and management actions at the scale of the main Hawaiian Islands require the use of technology to bring the spatially detailed condition of reefs into focus, allowing managers to apply tactical conservation effort. Asner Lab uses our Global Airborne Observatory technology to generate maps of coral health in support of government, non-profit, and community effort in support of the Holomua 30×30. This effort continues to provide new insights into how the reef and its corals have responded to repeated marine heat waves that cause coral bleaching.

Our coral reef mapping approach has propelled new initiatives and approaches by expanding the coral reef conservation community across the Hawaiian Islands. Our missions range from the spatial ecology and conservation of coral reefs to studies of coral bleaching resistance. Learn more about this research at Hawaiicoral.org.

Funders:

Battery Powered
Avatar Alliance Foundation
Len Baker
William R. Hearst III
Lenfest Ocean Program

Partners:

NOAA Pacific Islands Fisheries Science Center
Hawaii Division of Aquatic Resources

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