invasive species http://kalw.org en San Francisco’s volunteer seaweed fighters http://kalw.org/post/san-francisco-s-volunteer-seaweed-fighters <p></p><p></p><p></p><p></p><p>Carliane Johnson is about to dive into a narrow channel of water, just about five or six feet between the dock and the seawall. She won’t have to dive deep to find what she’s looking for.</p><p></p><p></p><p>“The population can explode all of a sudden, and we’ll be pulling a lot,” she says. “Some can be six or seven feet long. It’s a lot of plant material, and I just bring it to the docks, someone grabs it, and I go back and look for more.”</p><p></p> Fri, 09 Nov 2012 00:40:00 +0000 Casey Miner 19157 at http://kalw.org San Francisco’s volunteer seaweed fighters