Table 2 Effect of enclosure age on herbaceous vegetation cover and aboveground biomass in Chepareria, Kenya
From: Pasture enclosures increase soil carbon dioxide flux rate in Semiarid Rangeland, Kenya
Enclosure system | Age class (years) | Bare ground (%) | Perennial grass (%) | Annual grass cover (%) | Forbs (%) | Total plant cover (%) | Aboveground biomass (kg DM ha−1) |
|---|---|---|---|---|---|---|---|
GDE | 3–10 | 59.10 ± 1.6 | 12.3 ± 0.9 | 12.0 ± 0.6 | 19.2 ± 0.8 | 40.9 ± 1.6 | 474.7 ± 50.1 |
|  | 11–20 | 61.13 ± 1.5 | 13.7 ± 0.9 | 11.3 ± 0.9 | 18.7 ± 0.8 | 38.9 ± 1.5 | 593.3 ± 56.5 |
|  | > 20 | 59.07 ± 1.1 | 14.3 ± 0.9 | 12.4 ± 0.6 | 18.7 ± 0.8 | 40.9 ± 1.1 | 613.3 ± 36.3 |
CGE | 3–10 | 65.1 ± 1.5 | 5.9 ± 1.1 | 8.0 ± 0.4 | 15.1 ± 0.8 | 34.9 ± 1.5 | 406.7 ± 34.6 |
|  | 11–20 | 68.3 ± 1.6 | 7.7 ± 1.2 | 7.2 ± 0.5 | 15.2 ± 0.9 | 31.7 ± 1.6 | 520.0 ± 48.9 |
|  | > 20 | 63.3 ± 1.3 | 10.0 ± 1.1 | 7.9 ± 0.4 | 14.3 ± 0.7 | 36.7 ± 1.3 | 522.7 ± 42.8 |
LSD0.05 | Â | 4.085 | 2.844 | 1.666 | 2.218 | 4.085 | 128.1 |
P-value | Â | 0.61 | 0.514 | 0.92 | 0.82 | 0.61 | 0.95 |