The concentrations of nitrate (1.1 ± 0.8 μmol L−1, mean ± SD)
and phosphate (0.09 ± 0.04 μmol L−1, mean ± SD) in the euphotic
zone (~30 m) of the YSCWM area (n = 15) during the October cruise
were significantly lower than those in the coastal area (p b 0.01, n =
18) (Table 2).