Off Palos Verdes Peninsula, purple sea urchins devour kelp forest

The urchins are ravaging kelp at a time when the giant green foliage is making a comeback elsewhere along the California coast.



Below the gently rolling waves off the Palos Verdes Peninsula, a spiny purple menace is ravaging what should be a thriving kelp forest.



via L.A. Times - Science http://feeds.latimes.com/~r/latimes/news/science/~3/XHXCm-stfv8/la-me-kelp-urchins-20130812,0,6290333.story