Chemical, physical, phytoplankton biomass, and other data were collected using plankton net as part of the California Cooperative Fisheries Investigation (CALCOFI) project, from 19 June 1971 to 15 June 1977 (NODC Accession 8300195)

Chlorophyll A and Phaeophytin A data collected by various ships in Monterey Bay, California. The data were collected from June 19, 1971 to June 15, 1977 as part of California Cooperative Fisheries Investigations (CALCOFI) project. The original data were recorded in ASCII and submitted on an unlabeled 9-track 1600 BPI magnetic tape. The documentation includes a record format description and title pages of technical reports associated with this investigation. Principal Investigator was Dr. Mary Silver. The study was carried out by University of California at Santa Cruz, Monterey Bay, California.