Table 1 Mean (± SD) net ecosystem exchange (NEE), net methane exchange (CH4), carbon balance (C) and global warming potential (GWP) calculated over the study period (113 days) for each sector and major vegetation cover type.
Sector | Cover type | # Chambers | NEE (g CO2 m–2) | CH4 (g CH4 m–2) | Total C (g C m–2) | GWP (g CO2-e m–2) |
|---|---|---|---|---|---|---|
UNR | Bare (82%) | 3 | 170 (69) | 0.3 (0.2) | 47 (19) | 177 (73) |
Herbaceous (18%) | 3 | − 181 (66) | 1.9 (1.6) | − 48 (18) | − 130 (77) | |
ALL (weighted mean) | 6 | 107 (68) | 0.5 (0.5) | 30 (19) | 122 (73) | |
RP1 | Open water (100%) | 6 | 138 (108) | 8.7 (8.7) | 44 (30) | 373 (258) |
R1 | Bare (15%) | 3 | − 102 (231) | 9.4 (8.6) | − 21 (62) | 152 (292) |
Herbaceous (66%) | 3 | − 1175 (255) | 11.0 (6.9) | − 312 (71) | − 879 (354) | |
Shrubs (19%) | 3 | − 1061 (235) | 7.3 (8.1) | − 284 (64) | − 864 (305) | |
ALL (weighted mean) | 9 | − 992 (248) | 10.0 (7.4) | − 263 (68) | − 722 (335) | |
R10 | Herbaceous (98%) | 3 | − 1053 (323) | 26.8 (10.2) | − 267 (80) | − 329 (53) |
Shrubs (2%) | 3 | − 1437 (318) | 33.3 (6.4) | − 367 (87) | − 539 (358) | |
ALL (weighted mean) | 6 | − 1060 (322) | 26.9 (10.1) | − 269 (81) | − 333 (59) | |
REF | Shrubs (47%) | 5 | − 493 (371) | 6.6 (4.2) | − 130 (100) | − 315 (319) |
Herbaceous (53%) | 4 | − 683 (483) | 8.6 (5.6) | − 180(130) | − 452 (425) | |
ALL (weighted mean) | 9 | − 594 (430) | 7.6 (4.9) | − 156 (116) | − 388 (376) |
