A surface survey using underway continuous mapping of temperature, chlorophyll, zooplankton (>153 µm) wet weight density, and activity of the zooplankton digestive enzyme laminarinase was undertaken for a 20-day period during active upwelling in the California coastal region between Pt. Arena and Pt. Conception, California, U.S.A., during July, 1979....
Cox, James L., Loren R. Haury, and James J. Simpson. 1982. "Spatial patterns of grazing-related parameters in California coastal surface waters, July 1979." Journal of Marine Research 40, (4). https://elischolar.library.yale.edu/journal_of_marine_research/1622