Overpopulation of purple sea urchins (strongylocentrotus purpuratus) has caused “urchin barrens” impacting red sea urchin (mesocentrotus franciscanus) gonad production, a high-value sushi product important to fisheries. Destructive purple sea urchin grazing is also the leading cause of kelp deforestation in the world and has multi-trophic level impacts on species’ use of kelp forest habitat resources. Kelp restoration… Continue reading Urchin Gonad Response to Kelp Forest Restoration on the Palos Verdes Peninsula, California
Known in geological circles as the El Segundo Sand Hills, the LAX Dunes stretch from the Westchester Bluffs to Redondo Beach. The Bay Foundation helps to restore the sand dune habitat by removing invasive weeds from a recently unpaved portion of the area.