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

Table 2

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

		Protected area	Communal area
Families	Overall	33	37	0.2287	0.6325
	Sahel	12	25	4.6665	0.0308
	North Sudanian	30	27	0.1580	0.6910
	South Sudanian	28	33	0.4103	0.5218
Genus	Overall	125	145	1.4828	0.2233
	Sahel	31	74	18.1381	<0.0001
	North Sudanian	100	95	0.1282	0.7203
	South Sudanian	102	105	0.0435	0.8348
Species richness	Overall	223	263	3.2959	0.0695
	Sahel	41	128	47.0106	<0.0001
	North Sudanian	147	150	0.0303	0.8618
	South Sudanian	161	168	0.1489	0.6995

Significant effect of the statistic test.