|
Season average values of soil surface CO2 efflux (SSCE), soil moisture, soil temperature and plant biomass (dry weight ± S.D.) under different irrigation regimes in a grassland ecosystem in northern Ontario. |
||||
| Irrigation Regime+ |
SSCE μmol m-2 s-1 |
Plant Biomass g m-2 |
Soil Moisture % (0–10 cm) |
Soil Temperature °C (at 10 cm) |
|
|
||||
| 6 L / 2 days* |
5.26a ± (0.44) |
243.4a ± (23.05) |
25.59a ± (1.47) |
23.51a ± (0.37) |
| 12 L / 4 days |
3.98ab ± (0.54) |
236.3a ± (57.42) |
22.27ab ± (1.05) |
23.00a ± (0.27) |
| 24 L / 8 days |
4.46ab ± (0.36) |
216.1a ± (86.68) |
20.99bc ± (2.46) |
23.09a ± (0.40) |
| 42 L / 14 days |
3.46bc ± (0.80) |
200.0a ± (73.09) |
19.33bc ± (2.63) |
23.37a ± (0.28) |
| 84 L / 28 days |
2.92c ± (0.60) |
167.9a ± (54.24) |
18.07c ± (1.84) |
23.31a ± (0.33) |
|
Within columns, values followed by a different letter are significantly different at P < 0.005. * Control + Intensity / Frequency | ||||
Laporte et al. BMC Ecology 2002 2:10 doi:10.1186/1472-6785-2-10 |
||||