This was the "summer" cruise to the Ross Sea polynya during bloom and post bloom conditions. December 2004 - January 2005.

Microbial Biomass and Production in the Ross Sea, Antarctica

GRINCHES Cruise NBP04-09

              Bact production
Date Year Julian Day Latitude Longitude Bacterial cells/L (10e8) Chla (g/L) pmol leu/L/hr
27-Dec-04 2004
362
-76 30.005
179 00.031
1.16
5.21
9.27
28-Dec-04 2004
363
-76 30.001
179 00.021
1.15
4.51
9.52
29-Dec-04 2004
364
-76 30.402
179 00.000
1.41
14.51
30-Dec-04 2004
365
76 55.867
179 45.422
1.51
5.03
17.04
31-Dec-04 2004
366
-77 00.051
-179 59.942
1.1
4.58
25.85
2-Jan-05 2005
2
-74 30.00
173 30.00
1.04
5.46
4.05
4-Jan-05 2005
4
-74 30.00
173 30.00
1.43
3.96
11.09
5-Jan-05 2005
5
-74 30.00
173 30.00
2.16
4.28
16.29
7-Jan-05 2005
7
-74 28.00
173 31.00
3.08
4.56
1.24
8-Jan-05 2005
8
-75 00.256
167 00.226
4.06
37.74
9-Jan-05 2005
9
-74 60.00
167 00.00
3.27
45.67
10-Jan-05 2005
10
-75 00.00
167 00.00
4.1
3.27
26.45
11-Jan-05 2005
11
-74 56.50
167 02.20
4.61
2.5
55.35
12-Jan-05 2005
12
-74 59.90
167 00.00
5.73
2.54
32.37
15-Jan-05 2005
15
-74 30.00
173 30.00
3.55
21.33
16-Jan-05 2005
16
-74 30.00
173 30.00
4.5
3.18
15.13
17-Jan-05 2005
17
-74 30.00
173 30.00
3.87
3.32
11.33
18-Jan-05 2005
18
-74 30.00
173 30.00
2.09
2.46
12.45
19-Jan-05 2005
19
-74 30.00
173 30.00
1.89
2.68
10.96
20-Jan-05 2005
20
-74 30.00
173 30.00
2.03
12.4

all data are from CTD hydrocasts from bottles tripped at 5 m depth

cells/ml are bacterial DAPI direct counts

Bacterial Production: pmol Leu/L/hr is 3H-leucine incorporation by the Smith and Azam (1992) method

Chla was determined by fluorescence of 90% acetone extraction of GF/F filters