Effects of Climate and Land Use on Herbaceous Species Richness and Vegetation Composition in West African Savanna Ecosystems

Table 1

Climate effect on specific richness of herbaceous vegetation (GLMs analysis).

		Sahel	North Sudanian	South Sudanian
Families	Overall	24	33	34	2.0800	0.3535
	Protected area	15	30	28	5.9071	0.0522
	Communal area	25	27	33	1.2019	0.5483
Genus	Overall	74	117	125	15.1200	0.0005
	Protected area	31	100	102	49.2051	<0.0001
	Communal area	74	95	105	7.6152	0.0403
Species richness	Overall	130	198	208	21.2500	<0.0001
	Protected area	41	147	161	87.9035	<0.0001
	Communal area	128	150	168	7.4399	0.0459

Significant effect of the statistic test.