Diablo

photo banner of different intertidal species

Diablo Long-Term trends

Diablo Biodiversity Survey findings

Diablo is located in the Central Coast region of California, within the Point Buchon State Marine Reserve. This site is located on the property surrounding Diablo Canyon Power Plant, managed by PG&E, and access is extremely restricted. This gently sloping site consists of moderately uneven terrain, containing few cracks and folds.

overview of research site

Diablo is dominated by a mixture of consolidated bedrock and sandy beach, and the area surrounding the site is comprised of a mixture of consolidated bedrock, boulder fields, and sandy beach. The primary coastal orientation of this site is southwest.

Long-Term Monitoring Surveys at Diablo were established in 2007 and are done by University of California Santa Cruz. Long-Term MARINe surveys currently target the following species: Chthamalus/Balanus (Acorn Barnacles), Mytilus (California Mussel), Silvetia (Golden Rockweed), Endocladia (Turfweed), and Phyllospadix (Surfgrass). In addition, motile invertebrates, barnacle recruitment and mussel size structure are monitored at this site. For more information see the Long-Term trends at this site.

closeup of research site

Biodiversity Surveys were done in 2008 and 2017. The Biodiversity Survey grid encompasses one section that is approximately 20 meters (along shore) x 66.6 meters (seaward). For more information see the Biodiversity Survey findings at this site.

For more information about Diablo, please contact Pete Raimondi (raimondi@ucsc.edu).

Last modified: Jul 25, 2025