Table 1.
Water column sample depths, temperature, leucine incorporation, glucose incorporation and respiration rate constants, and cell counts (Gulf of Mexico only) for Station J, Smeerenburg Fjord, Svalbard, in August 2008, and for Stns. 2 and 3 in the northern Gulf of Mexico in September 2007.
| Station; sample depth | In situ water T(°C) | Leucine incorporation (pmol L-1 h-1) | Glucose respiration rate constant (×10-3 h-1) | Glucose incorporation rate constant (×10-3 h-1) | Glucose utilization efficiency (% into biomass) | Cell counts (×106 ml-1) |
|---|---|---|---|---|---|---|
| Smeerenburg Fjord | ||||||
| 2 m | 3.3 | 36.9 ± 11.3 | 7.0 ± 0.1 | 19 ± 0.28 | 73 | n.s. |
| 205 m | 1.5 | 11.8 ± 1.5 | 4.4 ± 0.84 | 14 ± 0.57 | 76 | n.s. |
| Gulf of Mexico Station 2 | ||||||
| 2 m | 29 | 76 ± 63 | 40.6 ± 2.3 | 48 | 54 | 6.3 |
| 17 m | 29 | 39 ± 50 | 32.3 ± 1.7 | 29 | 48 | 1.9 |
| 150 m | 16 | 0.7 ± 0.2 | 1.8 ± 0.43 | 2.1 | 54 | n.a. |
| 285 m | 11 | n.d. | 1.7 ± 0.50 | 1.2 | 42 | n.a. |
| Gulf of Mexico Station 3 | ||||||
| 2 m | 29 | 22 ± 10 | 20.5 ± 1.1 | 14 | 41 | n.a. |
| 47 m | 25 | 7.3 ± 2.4 | 6.1 ± 0.11 | 4.2 | 41 | 6.3 |
| 125 m | 18 | 0.8 ± 0.2 | 2.1 ± 0.33 | 1.3 | 39 | 2.9 |
| 350 m | 9.8 | n.d. | 1.5 ± 0.18 | 0.6 | 28 | 1.2 |
| 700 m | 6.4 | n.d. | 1.7 ± 0.21 | 0.6 | 26 | 1.3 |
| 905 m | 5.4 | n.d. | 1.3 ± 0.16 | 0.7 | 33 | 1.8 |
Data from the Gulf of Mexico, with the exception of the cell counts, are from Steen et al. (2012). n.a., not available (samples lost); n.d., not detected; n.s., no samples collected for this analysis.