Article: Bleaching didn't kill Hawaii's coral reefs, but global warming, and overuse still loom

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Compared to what's happening elsewhere in the world, scientists say, Hawaii's coral reefs are in pretty good shape.

But that doesn't mean the state's extensive living reef system, which spans nearly 1,052 miles of tidal coastline, is immune to threats.

Overfishing. Overuse. Global warming and depletion of the ozone layer.

"It's really a global-scale phenomenon," said Paul Jokiel, associate researcher with the Hawaii Institute of Marine Biology.

"It's an ecosystem that's being affected by a change in the whole planetary system, and that's pretty profound."

Jokiel pioneered studies back in 1969 that showed corals can ...

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