TABLE 1.

Abundances of microbes in surface waters sampled during the NASB expeditiona

StationLat (°N)Lon (°W)Abundance (104 cells ml−1)
ProkaryotesProchlorococcusSynechococcusAAPPicoeukaryotes
1-129.376.146.1 (5)1.3 (2.8)0.9 (1.9)5.4 (2.4)0.1 (0.2)
1-229.874.956.7 (7.6)0.3 (0.5)1.4 (2.4)2.9 (0.1)0.1 (0.2)
1-330.171.253.1 (3.6)0.1 (0.1)1.2 (2.2)4.5 (0.2)0.1 (0.2)
1-431.769.858.9 (7.8)0.2 (0.3)2.5 (4.3)4.2 (0.6)0.1 (0.2)
1-532.667.063.3 (6)4.3 (6.8)1.9 (2.9)8.6 (0.2)0.1 (0.1)
1-633.364.879.2 (11.6)2.5 (3.1)3.6 (4.5)5.4 (0.2)0.2 (0.2)
1-734.162.077.8 (1.9)2.0 (2.6)1.3 (1.7)2.7 (0.2)0.1 (0.2)
1-834.859.756.5 (6.3)1.9 (3.4)3.0 (5.2)3.7 (0.4)0.3 (0.5)
1-935.356.864.3 (11)3.1 (4.9)1.6 (2.4)8.3 (0.3)0.1 (0.2)
1-1035.854.371.4 (12)3.0 (4.3)5.9 (8.3)4.1 (0.1)0.2 (0.3)
1-1136.351.378.7 (10)1.5 (1.9)4.1 (5.2)3.2 (0.1)0.3 (0.4)
1-1236.748.7114.9 (14)6.8 (5.9)2.5 (2.2)7.3 (0.1)0.3 (0.2)
1-1337.145.681.6 (20)3.8 (4.6)1.2 (1.4)4.0 (0.5)0.1 (0.1)
1-1437.442.983.9 (18)8.4 (10.0)1.1 (1.3)3.8 (0.1)0.1 (0.1)
1-1537.640.187.8 (7.3)3.4 (3.9)1.0 (1.2)6.1 (0.0)0.2 (0.2)
1-1637.837.470.6 (13)0.1 (0.2)2.3 (3.2)9.9 (0.0)0.1 (0.2)
1-1737.934.685.3 (12)6.8 (8.0)1.2 (1.4)1.3 (1.3)0.2 (0.2)
1-1837.932.071.8 (23)6.5 (9.0)2.8 (3.9)7.4 (0.4)0.1 (0.2)
1-1937.929.081.1 (13)0.5 (0.6)0.3 (0.4)5.8 (0.7)0.1 (0.2)
2-345.020.0108.0 (12)1.5 (1.3)2.9 (2.6)4.4 (0.4)1.0 (0.9)
2-548.020.082.3 (20)1.0 (1.0)8.4 (8.0)7.7 (0.2)2.3 (2.2)
2-750.020.097.8 (11)0.2 (0.2)15.2 (15.0)7.3 (0.2)1.6 (1.6)
2-1352.920.0192.0 (36)0.1 (0.1)6.3 (4.2)12.0 (0.1)1.3 (0.8)
2-1454.117.0188.9 (24)0.1 (0.0)3.5 (2.1)12.0 (0.0)0.9 (0.5)
2-2357.016.0194.0 (49)0.1 (0.0)5.4 (3.0)NA (0.0)2.9 (1.6)
2-2758.015.5238.1 (31)0.1 (0.0)1.8 (1.0)NA (0.0)2.5 (1.4)
2-4061.119.0131.2 (28)0.2 (0.1)4.1 (3.4)NA (0.1)0.2 (0.2)
2-4864.525.0289.0 (77)0.3 (0.1)0.9 (0.4)NA (0.4)0.9 (0.4)
  • a Values in parentheses indicate standard deviations. Lat, latitude; Lon, longitude.