Posted by Max Bottomtime on January 13, 2003 at 14:45:37:
In Reply to: Boring Subject "Sea Urchin" posted by Steve on January 13, 2003 at 13:22:18:
I'm not sure how many are supposed to be there, but a search of the words "urchin barren" brought up grazing problems in New Zealand, Florida and Maine as well as California. This may help you.
http://www.biology.ucsc.edu/classes/bio170/spring99/macrocystis/ecology.html