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Nutrient methods.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2015)
The phytoplankton macro nutrients nitrate, nitrite, silicate, and phosphate in seawater are analyzed using colorimetric assays. Ammonium concentrations are determined using a fluorometric assay.
Chlorophyll methods.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2015)
Chlorophyll a is extracted in an acetone solution. Chlorophyll and phaeopigments are then measured fluorometrically using an acidification technique.
ISUS Nitrate sensor.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2015)
Since November 2004, a Satlantic ISUS nitrate sensor has been integrated with a Seabird 911+ CTD-Rosette system deployed on CalCOFI cruises. Cruises typically occupy 75 stations, collecting approximately 1400 discrete ...
NCOG Sampling Method.
(California Cooperative Oceanic Fisheries Investigation, La Jolla, CA, 2015)
NCOG Sampling For DNA and RNA Samples for NCOG Project