Table 3 Simulated productivity of European managed grassland for the reference period (1981–2010), and their relative changes derived from experiment E control
Variables | Perioda | Average of Europe | Nordic | British Isles | Western | Mediterranean | Alpine | North eastern | South eastern | Eastern |
|---|---|---|---|---|---|---|---|---|---|---|
Y pot (kg DM m−2 year−1) | Reference | 0.85 | 0.49 | 0.93 | 1.07 | 0.71 | 0.66 | 0.80 | 0.80 | 0.73 |
SWL1.5 | 6% | 6% | −3% | 5% | 10% | 10% | 9% | 13% | 11% | |
SWL2 | 11% | 13% | 2% | 10% | 14% | 20% | 17% | 22% | 18% | |
SWL3 | 18% | 28% | 8% | 16% | 18% | 37% | 26% | 31% | 28% | |
SWL3.5 | 20% | 36% | 11% | 18% | 16% | 46% | 29% | 33% | 35% | |
C grazing (LU day ha−1) | Reference | 208 | 61 | 241 | 286 | 175 | 128 | 187 | 196 | 123 |
SWL1.5 | 13% | 36% | 6% | 11% | 12% | 22% | 27% | 17% | 31% | |
SWL2 | 20% | 56% | 10% | 15% | 15% | 36% | 42% | 29% | 51% | |
SWL3 | 29% | 93% | 17% | 22% | 18% | 60% | 59% | 41% | 81% | |
SWL3.5 | 32% | 119% | 21% | 23% | 16% | 73% | 66% | 43% | 98% | |
D opt (LU ha−1) | Reference | 0.74 | 0.33 | 0.84 | 0.97 | 0.63 | 0.51 | 0.67 | 0.70 | 0.54 |
SWL1.5 | 10% | 17% | 4% | 9% | 11% | 18% | 18% | 13% | 20% | |
SWL2 | 16% | 28% | 8% | 14% | 15% | 28% | 29% | 23% | 32% | |
SWL3 | 24% | 47% | 14% | 20% | 19% | 49% | 44% | 35% | 51% | |
SWL3.5 | 28% | 61% | 17% | 23% | 20% | 59% | 50% | 39% | 61% | |
NPP managed (g C m−2 year−1) | Reference | 861 | 597 | 937 | 1035 | 703 | 771 | 867 | 815 | 835 |
SWL1.5 | 0% | 1% | −7% | −1% | 7% | 3% | 1% | 6% | 1% | |
SWL2 | 4% | 6% | −4% | 2% | 10% | 9% | 4% | 12% | 5% | |
SWL3 | 8% | 14% | 0% | 5% | 13% | 17% | 8% | 16% | 12% | |
SWL3.5 | 8% | 17% | 1% | 5% | 12% | 23% | 9% | 16% | 14% |