Table 2 Contribution of small phytoplankton to CO2-fixation on and off iron-fertilized areas of the Southern Ocean.
From: Small phytoplankton contribute greatly to CO2-fixation after the diatom bloom in the Southern Ocean
Study area (experiment name) | Type of Fe-fertilization | Small phytoplankton size (µm) | HNLC (%) | Fe-fertilized (%) | Month | Method | Source |
|---|---|---|---|---|---|---|---|
Crozet (CROZEX) | Natural Fe | <20 | 66 | 53 | November - January | Size-fractionation | [83] |
Kerguelen (KEOPS1) | Natural Fe | <10 | 68 | 10–20 | February | Size-fractionation | [12] |
Amundsen Sea | Natural Fe | <5 | 51 | 15 | January | Size-fractionation | [84] |
South Georgia | Natural Fe | <12 | >60 | <20 | January | Size-fractionation | [85] |
South of Australia (SOIREE) | Artificial | <20 | >60 | Decrease to <40 during the experiment | February | Size-fractionation | [86] |
Atlantic sector of the so (EISENEX) | Artificial | <20 | 70–90 | Decrease to <50 during the experiment | November | Size-fractionation | [87] |
Kerguelen (MOBYDICK) | Natural Fe | <20 | 43–70 | 41–61 | March | NanoSIMS | This study |
