Pasture enclosures increase soil carbon dioxide flux rate in Semiarid Rangeland, Kenya

Table 1 Vegetation cover and biomass of the three grazing systems in Chepareria, Kenya

	Grazing systems			LSD	cv%	P-value
	OGR	CGE	GDE	LSD	cv%	P-value
Bare ground (%)	79.27 ± 2.64a	65.58 ± 5.97b	59.78 ± 5.48c	2.01	7.10	< 0.001
Perennial grasses (%)	2.89 ± 1.48c	7.84 ± 4.49b	13.44 ± 3.57a	1.37	30.8	< 0.001
Annual grasses (%)	14.44 ± 2.45a	7.71 ± 1.67c	11.91 ± 2.75b	0.98	20.7	< 0.001
Forbs (%)	3.40 ± 2.21c	18.87 ± 2.96a	14.87 ± 7.05b	1.17	22.6	< 0.001
Total plant cover (%)	20.73 ± 2.64c	34.42 ± 5.97b	40.22 ± 5.48a	2.01	15.1	< 0.001
Herbaceous aboveground biomass (kg DM ha⁻¹)	72.0 ± 54.7c	483.1 ± 170.0b	560.4 ± 193.1a	61.10	39.4	< 0.001

Values are means ± standard deviation (SD) (n = 9). Different lowercase letters indicate significant differences between grazing systems (P < 0.05)
OGR open grazing rangeland, GDE grazing dominated enclosure, CGE contractual grazing enclosure

ISSN: 1750-0680