Parasol needed for Barrier Reef

Australian scientists have proposed covering endangered coral reefs with shade cloth during periods of thermal stressĀ as part of “last resort” measures to protect parts of the Great Barrier Reef. They also suggest using low-voltage electrical currents to stimulate coral growth and defend against the worsening impact of heat stress.

The paper, in the journal Nature Climate Change, says the pace of global warming is unparalleled in 300 million years and has led to temperature rises of at least 2 degrees Celsius and a 60-per-cent increase in surface ocean acidity over the past three centuries.

Professor Ove Hoegh-Guldberg of Queensland University, writing with Greg Rau from the University of California and Elizabeth McLeod from The Nature Conservancy, calls for “unconventional, non-passive methods to conserve marine ecosystems”.

Read the original article in Nature Climate Change.

Read a review of this article in The Daily Telegraph.

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