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Coral reefs: Increased nutrient levels propagate bleaching

Southampton (global-adventures.us): Increased levels of nutrient within the water column can increase the susceptibility of corals to fall victim to bleaching, research conducted at University of Southampton’s reef Laboratory shows. Corals are marine animals that have a interdependent , or ‘symbiotic’, relationship with algae that sleep in their tissue. Studies have shown that when water temperatures rise beyond a particular threshold. The corals expel the algae, which may increase mortality of the host and turns the corals white.

“The increasing influx of nutrients in coastal waters thanks to human activities represents a pressing problem for coral reefs,” says Dr. Joerg Wiedenmann,

head of the reef Laboratory. “A better understanding of the links between disturbed nutrient levels and coral bleaching is significant to develop marine and coastal management strategies. Which reefs: Increased nutrient levels propagate bleachinghelp to make sure future health of coral reefs.”

The project will repose on the initial findings and investigate the detailed mechanisms that underlie the responses of corals and their symbiotic algae to nutrient stress.

Funding is provided to line up research teams and to develop the simplest ideas at the frontiers of data . The 2012 competition attracted 4,741 applications competing for a share of the 800 million euro budget.

A YouTube video explaining the research undertaken at the schools reef lab facility is out there here. Current science suggests that coral bleaching is promoted by heating , eventually threatening to wipe out coral reefs round the world.

Coral colonies are symbiotic marine animals vulnerable to rising water temperatures and increased nutrient levels. Approximately 10 percent of the world’s coral reefs are dead, and 60 percent are at risks thanks to act . Some dead corals are washed abreast of beaches round the world. Photo: www.imagine-your-world.com

Filed Under: Diving, News Tagged With: Algae, Coral bleaching, Coral reef, Marine life, Ocean, Research, Science
Great photography tells a story!

By Bernd F. Laeschke

Read More: Oil spill: Costner has cleanup solution

gbusa

Chief Editor at Global Adventures Magazine

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