Tiles from healthy reefs nearby were covered with budding coral colonies in starbursts of red, yellow, pink and blue. This plate was coated with a filthy film of algae and fringed with hairy sprigs of seaweed.
Instead of a brilliant new coral reef, what sprouted here resembled a slimy lake bottom.
Isolating the cause was easy. Only one thing separated this spot from the lush tropical reefs a few hundred yards away.
Read more at: http://apps.seattletimes.com/reports/sea-change/2013/sep/11/pacific-ocean-perilous-turn-overview/