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Field Note - Silent killer: black reefs in the Phoenix Islands Protected Area

The Phoenix Islands Protected Area (PIPA) is in a naturally ironpoor region in the equatorial central Pacific. The main introduction of iron to this environment is from maritime debris, especially shipwrecks and anchor gear, and is linked to proliferation of turf algae and benthic bacterial communities, and the formation of degraded ‘black reefs’...

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Deep reefs of the Great Barrier Reef offer limited thermal refuge during mass coral bleaching

Our rapidly warming climate is threatening coral reefs as thermal anomalies trigger mass coral bleaching events. Deep (or “mesophotic”) coral reefs are hypothesised to act as major ecological refuges from mass bleaching, but empirical assessments are limited. We evaluated the potential of mesophotic reefs within the Great Barrier Reef (GBR) and adjacent Coral Sea to act as thermal refuges by characterising long-term temperature conditions and assessing impacts during the 2016 mass bleaching event.

November 24, 2017
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Although they cover over 70 percent of the surface of the planet, the oceans of the world are under serious threat. Discover the ten biggest problems in the oceans right now.Click on the link below to read the full article.