Environment | Major limiting Resourcea | Grazing effects on biodiversity by large herbivores | |||
Precipitation | Soil | Through extinctionb | Through colonizationc | Net effect | |
Dry | Infertile | Water/nutrients | − | − | 0/− |
Dry | Fertile | Water | − | + | − |
Wet | Infertile | Nutrients/Light | + | + | + |
Wet | Fertile | Light | + | + | +/− |