Station  Date      Lat      Long      N2_fix_avg  N2_fix_std_dev  MAGIC_PO4  Alk_phos_avg  Alk_phos_std_dev  PO4_uptake_avg  PO4_uptake_std_dev  
2        20140510  27.8657  -64.9907  4.30        0.13            2.90       33.81         24.56             0.21            0.05                
3        20140511  25.5173  -64.9847  3.72        0.01            3.50       nd            nd                0.47            0.06                
4        20140512  23.0313  -64.985   7.46        3.13            7.20       53.74         21.47             0.78            0.12                
5        20140513  21.233   -64.9002  8.06        0.14            4.64       nd            nd                0.27            0.07                
6        20140514  19.998   -63.0803  12.18       2.45            1.00       44.18         15.23             0.18            0.00                
7        20140515  20.0073  -60.8248  26.40       6.58            10.81      50.57         14.55             1.13            0.19                
8        20140516  18.371   -58.5677  22.29       1.83            2.00       11.65         3.57              0.21            0.04                
9        20140517  16.4758  -57.27    39.34       0.23            1.00       21.53         18.45             0.16            0.00                
10       20140518  13.986   -55.7088  14.64       0.14            1.90       56.17         19.68             0.25            0.06                
11       20140519  12.0447  -54.5172  12.86       0.09            0.35       nd            nd                0.07            0.01                
12       20140520  10.0478  -53.2711  14.79       0.37            20.30      29.86         15.68             4.13            0.05                
16       20140524  9.8155   -58.5092  16.67       0.13            53.27      58.83         16.21             7.61            0.60                
17       20140525  11.859   -59.4363  20.43       0.50            5.20       50.16         10.05             1.20            0.01