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ScienceDaily: Coral Reef News

Syndicate content Coral Reefs News -- ScienceDaily
Coral reef information. Read current news articles on coral reefs in danger due to coral bleaching. See photos of coral reef fish and sponges. Learn about coral reef conservation.
Updated: 13 weeks 3 days ago

Coral mass spawning triggered by seasonal rises in ocean temperature

Tue, 05/10/2016 - 20:33

Scientists have discovered rapidly rising seasonal sea temperatures are the likely trigger for coral reproduction allowing them to predict when mass spawning will occur.

Categories: Coral Feeds

Coral death stops fish from learning predators

Tue, 05/10/2016 - 20:33

Coral bleaching and death can have dramatic repercussions for how small reef fish learn about and avoid predators, say researchers after a world first study.

Categories: Coral Feeds

Continental drift created biologically diverse coral reefs

Fri, 05/06/2016 - 08:56

An international research team has studied the geographical pattern of the evolution of corals and reef fish. Their findings show that today's geographical distribution of tropical marine diversity is the result of 100 million years of Earth history and the continental drifts that shifted the position of shallow reef habitats.

Categories: Coral Feeds

Achieving fish biomass targets: The key to securing a sustainable future for coral reefs

Thu, 05/05/2016 - 21:24

Scientists have completed a massive study that will help communities and countries of the Western Indian Ocean measure and restore fish populations while identifying the best policies for achieving global sustainable and conservation targets.

Categories: Coral Feeds

Ocean acidification may be impacting coral reefs in the Florida keys

Mon, 05/02/2016 - 14:04

Researchers found that the limestone that forms the foundation of coral reefs along the Florida Reef Tract is dissolving during the fall and winter months on many reefs in the Florida Keys. The research showed that the upper Florida Keys were the most impacted by the annual loss of reef.

Categories: Coral Feeds

Protecting diversity on coral reefs: DNA may hold the key

Wed, 04/27/2016 - 15:53

Scientists have discovered that large areas of intact coral reef with extensive live coral cover, not disturbed by humans or climate change, harbor the greatest amount of genetic diversity. With this work, the researchers uncovered a link between species diversity of an ecosystem and the genetic diversity encoded within the DNA of those species.

Categories: Coral Feeds

Algae disrupt coral reefs' recycling

Mon, 04/25/2016 - 13:18

Coral reefs--the world's most productive and diverse marine ecosystems--rely on a masterful recycling program to stay healthy. A new study explores how a process known as 'microbialization' destroys links in coral reefs' delicate food chain.

Categories: Coral Feeds

Scientists discover new reef system at mouth of Amazon River

Fri, 04/22/2016 - 15:34

As large rivers empty into the world's oceans in areas known as plumes, they typically create gaps in the reef distribution along the tropical shelves--something that makes finding a reef in the Amazon River plume an unexpected discovery.

Categories: Coral Feeds

Corals most important for building reefs are now in sharp decline

Fri, 04/22/2016 - 15:31

Staghorns, the very corals responsible for establishing today's reefs, are now some of the most threatened coral species due to climate change and other human-made stressors.

Categories: Coral Feeds

1.5 C vs 2 C global warming: New study shows why half a degree matters

Thu, 04/21/2016 - 07:52

Researchers have found substantially different climate change impacts for a global warming of 1.5°C and 2°C by 2100, the two temperature limits included in the Paris climate agreement. The additional 0.5°C would mean a 10-cm-higher global sea-level rise by 2100, longer heat waves, and would result in virtually all tropical coral reefs being at risk.

Categories: Coral Feeds

Promiscuity may help some corals survive bleaching events

Wed, 04/20/2016 - 10:11

Researchers have shown for the first time that some corals surviving bleaching events can acquire and host new types of algae from their environment, which may make the coral more heat-tolerant and enhance their recovery.

Categories: Coral Feeds

Great Barrier Reef risks losing tolerance to bleaching events

Thu, 04/14/2016 - 13:39

New research suggests that Great Barrier Reef (GBR) corals were able to survive past bleaching events because they were exposed to a pattern of gradually warming waters in the lead up to each episode. However, this protective pattern is likely to be lost under near future climate change scenarios.

Categories: Coral Feeds

El Niño’s warm water devastates coral reefs in Pacific ocean

Thu, 04/14/2016 - 08:59

Researchers visited Christmas Island, the world's largest coral atoll, to measure the effects of El Nino. Eighty percent of the coral is dead, they report. Corals are communities of animals that have tiny photosynthetic algae living inside them in a mutually beneficial relationship. Corals are very temperature-sensitive. A rise of just 1-1.5 degrees Celsius can stress coral enough to evict the algae until the heat stress subsides.

Categories: Coral Feeds

New imaging technique reveals vulnerability of coral reefs

Wed, 04/13/2016 - 14:11

Researchers have created a novel method using micro-computed tomography scans to expose how bioerosion and secondary accretion of corals -- critical processes for reef sustainability -- respond to varying environmental conditions, including changing ocean acidity.

Categories: Coral Feeds

Using data to protect coral reefs from climate change

Wed, 04/13/2016 - 13:01

Coral reefs are early casualties of climate change, but not every coral reacts the same way to the stress of ocean warming. Researchers have developed the first-ever quantitative 'global index' detailing which of the world's coral species are most susceptible to coral bleaching and most likely to die. Based on historical data, the index can be used to compare the bleaching responses of the world's corals and to predict which corals may be most affected by future bleaching events.

Categories: Coral Feeds

Can corals keep up with ocean acidification?

Thu, 04/07/2016 - 12:25

An interdisciplinary team of researchers has successfully measured both pH and carbonate ion concentration directly inside the calcifying fluid found in coral, an important development in the study of how ocean acidification will affect marine calcifying organisms such as corals and shellfish.

Categories: Coral Feeds

Corals struggle to grow under multiple stressors

Wed, 04/06/2016 - 13:04

A new study has found that multiple stressors might be too much for corals. The findings have important implications for the resilience of coral reefs to climate change.

Categories: Coral Feeds

New database gives scientists hope for helping coral reefs

Wed, 04/06/2016 - 11:50

With the future of coral reefs threatened now more than ever, researchers have announced the release of a new global database that enables scientists and managers to more quickly and effectively help corals survive their many challenges.

Categories: Coral Feeds

Current methods cannot predict damage to coral reefs

Wed, 04/06/2016 - 11:39

Coral reefs are severely endangered by a warming and increasingly acidic ocean. Although species-level effects have been studied, these pieces of the puzzle have not been assembled into a broader view. Ecosystem-level effects may be more severe than is currently anticipated, warn scientists.

Categories: Coral Feeds

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