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Ecology Jun 27, 2025

Groundwater flow can alter coral reef chemistry and trigger ecosystem-wide changes

Groundwater input to coral reefs directly affects water chemistry and triggers a cascade of changes in the coastal ecosystem, according to a new study led by University of Hawaiʻi (UH) at Mānoa oceanographers. Freshwater ...

Plants & Animals Jun 24, 2025

New research identifies potential source populations of invasive red alga threatening Hawaii's protected coral reefs

A recent study has established a predictive framework for identifying the source populations of Chondria tumulosa, a cryptogenic red macroalga that has been rapidly overtaking coral reef ecosystems in Hawai'i's Papahānaumokuākea ...

Earth Sciences Jun 20, 2025

Island rivers carve passageways through coral reefs, maintaining ecosystem health over millions of years

Volcanic islands, such as the islands of Hawaii and the Caribbean, are surrounded by coral reefs that encircle an island in a labyrinthine, living ring. A coral reef is punctured at points by reef passes—wide channels that ...

Ecology Jun 19, 2025

Baiting coral-killers with pheromones

By mimicking one of their own scents, researchers have found an efficient method of culling the highly destructive crown-of-thorns starfish (Acanthaster).

Ecology Jun 16, 2025

Study unlocks anti-cancer and anti-inflammatory potential of soft corals

Some corals produce chemicals called diterpenoids that have shown promise in fighting cancer and reducing inflammation, but researchers have been unable to study the chemicals in depth.

Earth Sciences Jun 13, 2025

Fossil corals point to possibly steeper sea level rise under a warming world

Coastal planners take heed: Newly uncovered evidence from fossil corals found on an island chain in the Indian Ocean suggests that sea levels could rise even more steeply in our warming world than previously thought.

Ecology Jun 11, 2025

Benham Bank revealed as one of Philippines' richest deep coral ecosystems

Near the eastern coast of Luzon, Philippines, located 50 meters below the sea surface, is the Benham Bank, an underwater seamount taller than Mt. Apo. Benham Bank contains one of the richest mesophotic (or deep) coral ecosystems ...

Cell & Microbiology Jun 10, 2025

Gifts from the sea: Molecules derived from coral may help fight harmful bacteria

Pus, strep throat, and even tuberculosis—most infectious diseases are characterized by a cluster of pathogenic bacteria that can be stubborn and resistant to antibiotics. Now researchers from Ben-Gurion University of the ...

Ecology Jun 9, 2025

Coral reefs migrating poleward too slowly to escape rapid ocean warming, simulation study shows

In a study published today in Science Advances, researchers at UH Hawaiʻi Institute of Marine Biology (HIMB) Marine Ecological Theory Lab reveal that coral reefs are creeping toward the poles in response to warming oceans, ...

Ecology Jun 9, 2025

Coral reefs face an uncertain recovery from the fourth global mass bleaching event—can climate refuges help?

Tropical reefs might look like inanimate rock, but these colorful seascapes are built by tiny jellyfish-like animals called corals. While adult corals build solid structures that are firmly attached to the sea floor, baby ...

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