Coral reefs in Guam and the rest of the Marianas archipelago are facing unprecedented damage because of warmer waters and increased carbon dioxide emissions. As of Sept.
Measuring Temperature in Coral Reef Environments: Experience, Lessons, and Results from Palau
Sea surface temperature, determined remotely by satellite (SSST), measures only the thin “skin” of the ocean but is widely used to quantify the thermal regimes on coral reefs across the globe. In situ measurements of temperature complements global satellite sea surface temperature with more accurate measurements at specific locations/depths on reefs and more detailed data. In 1999, an in situ temperature-monitoring network was started in the Republic of Palau after the 1998 coral bleaching event.
The world's most famous coral reef is showing signs of recovery...A new report by The Australian Institute of Marine Sciences (AIMS) has shown that coral is starting to grow back in some areas of the reef despite being hit by mass coral-bleaching, cyclones and crown-of-thorns starfish.
A new study shows nutrients can aggravate the already negative effects of climate change on corals to trigger mass coral bleaching. Coral reef environments are typically low in naturally occurring nutrients such as nitrogen and phosphorous compounds.
New research has taken scientists closer to identifying corals that are less likely to bleach.
Heat-evolved microalgal symbionts increase coral bleaching tolerance
Coral reefs worldwide are suffering mass mortalities from marine heat waves. With the aim of enhancing coral bleaching tolerance, we evolved 10 clonal strains of a common coral microalgal endosymbiont at elevated temperatures (31°C) for 4 years in the laboratory. All 10 heat-evolved strains had expanded their thermal tolerance in vitro following laboratory evolution. After reintroduction into coral host larvae, 3 of the 10 heat-evolved endosymbionts also increased the holobionts’ bleaching tolerance.
Australian scientists have bred a heat-resistant coral which could help preserve the country's iconic reefs for generations to come by restoring areas devastated by mass bleaching. Coral reefs are in decline worldwide due to increasingly frequent and severe bleaching events.
The story of coral reef bleaching ramifications continues to unfold with an international study revealing the long-term impacts on fish populations and associated ecosystems.
The world is figuring out how to move forward in the face of the COVID-19 pandemic by finding newer ways to support economic development, animal and human well being, and ecosystem integrity.
Scientists recently confirmed the Great Barrier Reef suffered another serious bleaching event last summer - the third in five years. Dramatic intervention to save the natural wonder is clearly needed. First and foremost, this requires global greenhouse gas emissions to be slashed.