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coral reefs

Satellite image of ring-shaped Nukuoro Atoll in the Pacific
Posted inNews

Rethinking Darwin’s Theory of Atoll Formation

Lakshmi Supriya, Science Writer by L. Supriya 30 October 202010 November 2021

Atolls have a long and complex history related to seafloor evolution, and Darwin’s model is only the beginning of the story.

Close-up of a beautiful soft coral sea fan
Posted inNews

Climate Change May Shift Coral Population Dynamics

by S. Norris 30 September 20208 September 2022

New paleoceanographic research indicates that warming waters may contribute to fewer coral reefs but to a flourishing presence of soft-bodied corals.

Aerial photo of Cayos Cochinos, a series of small coral cays off the Caribbean coast of Honduras
Posted inNews

Scientists Support Local Activities to Rescue the Mesoamerican Reef

by J. Rodriguez 15 September 20203 November 2022

The reef’s report card analyzed 286 sites in Mexico, Belize, Guatemala, and Honduras. Communities, scientists, and governments are working to improve coral and ecosystem resilience.

A view of corals just below the ocean surface off American Samoa
Posted inResearch Spotlights

Corals Make Reliable Recorders of El Niño Fluctuations

by Terri Cook 24 July 202029 September 2021

A new tool that reconciles modeling and paleoclimate data builds confidence that tropical Pacific corals reliably archive natural variability in the El Niño–Southern Oscillation climate pattern.

Funafuti atoll, in Tuvalu
Posted inNews

A Brighter Future for Coral Reef Islands

Hannah Thomasy, Science Writer by Hannah Thomasy 15 July 20203 November 2021

Although some islands demonstrate more resiliency than previously thought, island communities may require significant flood-resistant infrastructure to maintain their way of life.

CISME devices attached to living coral and a community of turf algae growing on dead coral
Posted inNews

Dead Reefs Keep Calcifying but Only by Day

by J. Oetting 24 December 20196 March 2023

A new measurement technique has revealed that turf algae communities colonizing dead reefs have a dual role, adding new mineral material to the reefs during the day and taking it away at night.

Underwater photo of bleached staghorn coral
Posted inNews

A Key to Coral Bleaching Events? Location, Location, Location

Hannah Thomasy, Science Writer by Hannah Thomasy 29 October 201927 March 2023

New research indicates that longitude, as well as warming waters, may be a key predictor of coral bleaching events.

A multicolored coral reef with blue settlement tiles pinned to it
Posted inNews

Tropical Corals Are Migrating Away from Warming Waters

Rachel Crowell, Science Writer by Rachel Crowell 23 August 201914 December 2023

In the first global assessment of its kind, researchers discovered that coral recruitment is declining globally and throughout the tropics while increasing in the subtropics.

Close-up photo of a colorful coral reef
Posted inNews

Report Examines New Tools to Protect Coral Reefs

by Randy Showstack 14 June 201918 October 2021

Coral reefs face threats including habitat destruction, pollution, and climate change. A novel set of interventions could help them persist in rapidly degrading environmental conditions.

Underwater photo of bleached staghorn coral
Posted inResearch Spotlights

The Effect of Coral Bleaching Events in the Great Barrier Reef

by David Shultz 31 May 201923 February 2023

A new study using seawater chemistry compares the status of the iconic reef before and after a bleaching event.

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