Relationship Between Primary Production and Environmental Factors

Behrenfeld and Falkowski (1997) expressed the maximum carbon-fixation rate per unit of chlorophyll a, P^ (mgC/mgChl/h) as a function of SST to estimate IPP from chlorophyll a, PAR, and temperature data derived by satellite. The present study encompassed a wide range of SSTs (0 to 30°C).

Oyashio-transition Kuroshio

Tosa Bay

Continental shelf ECS

Oyashio-transition Kuroshio

Tosa Bay

Continental shelf ECS

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Figure 4: Seasonal change in vertical profile of (A) chlorophyll a concentration in mg/l, (B) biomass normalized primary production in mgC/mgChl/day, and (C) primary production in logi0 (mgC/m /day) in the euphotic zone of light depth (% in logio ) of Oyashio-transition waters, Kuroshio waters, Tosa Bay, and continental shelf waters of the East China Sea (For colour version, see Colour Plate Section).

23456789 10 11 12 123456789 10 11 12 123456789 10 11 12 123456789 10 11 12

Month

Month

Month

Month

Figure 4: Seasonal change in vertical profile of (A) chlorophyll a concentration in mg/l, (B) biomass normalized primary production in mgC/mgChl/day, and (C) primary production in logi0 (mgC/m /day) in the euphotic zone of light depth (% in logio ) of Oyashio-transition waters, Kuroshio waters, Tosa Bay, and continental shelf waters of the East China Sea (For colour version, see Colour Plate Section).

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