Table 1: Climate effect on specific richness of herbaceous vegetation (GLMs analysis).

SahelNorth SudanianSouth Sudanian

FamiliesOverall2433342.08000.3535
Protected area1530285.90710.0522
Communal area2527331.20190.5483

GenusOverall7411712515.12000.0005
Protected area3110010249.2051<0.0001
Communal area74951057.61520.0403

Species richnessOverall13019820821.2500<0.0001
Protected area4114716187.9035<0.0001
Communal area1281501687.43990.0459

Significant effect of the statistic test.