TABLE 2.
Phytoplankton biomass in the northern Chukchi Sea in 2011 and 2012.
| Year | Station | BT (mg chl a m–2) |
Different size fractions (mg chl a m–2) |
||
| BL | BM | BS | |||
| 2011 | 1 | 86.3 | 58.3 | 3.6 | 4.6 |
| 2 | 120.6 | 136.7 | 4.7 | 17.8 | |
| 3 | 16.2 | 2.8 | 1.5 | 3.3 | |
| 4 | 15.0 | 0.6 | 0.6 | 2.4 | |
| 7 | 21.9 | 0.5 | 1.2 | 4.4 | |
| 9 | 21.0 | 0.5 | 1.1 | 4.6 | |
| 11 | 24.4 | 0.5 | 1.7 | 7.5 | |
| 13 | 22.2 | 5.2 | 3.0 | 9.3 | |
| 15 | 24.8 | 1.2 | 3.5 | 8.1 | |
| 17 | 22.2 | 0.4 | 0.7 | 3.5 | |
| 2012 | 5 | 14.8 | 6.8 | 2.2 | 7.0 |
| 13 | 17.0 | 2.4 | 1.5 | 10.4 | |
| 19 | 10.3 | 3.6 | 1.8 | 5.1 | |
| 26 | 60.9 | 38.7 | 7.7 | 5.1 | |
| 30 | 6.4 | 0.6 | 0.7 | 4.5 | |
| 36 | 14.2 | 1.8 | 2.7 | 9.2 | |
| 40 | 11.4 | 0.6 | 1.1 | 8.0 | |
| 42 | 7.5 | 0.4 | 0.8 | 5.3 | |
BT, total phytoplankton biomass (>0.7 μm); BL, biomass of large phytoplankton (>20 μm); BM, biomass of medium phytoplankton (5–20 μm); BS, biomass of small phytoplankton (0.7-5 μm). Total and size-fractionated chl a data were integrated over the euphotic zone.