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Phytoplankton abundance in surface water in July-August 1996, Callao, Peru
N= none, R= rare, F= few, C= common, A= abundant -
Phytoplankton abundance in surface water in October 1995, Pisco, Peru
N = none, R = rare, F = few, C = common, A = abundant -
Epipelagic diatoms in the global oceans
Presence = 1, absence = 0.