The savanna (sometimes mistakenly spelled as "Savannah," which is in the state of Georgia) describes an African region with ...

The theory categorizes four production levels of grassland agro- ecosystem: pre-plant production, plant production, animal production, and post-biological production. It considers the relationship ...

For example, two animal predators may consume different ... a rancher might be interested in the ability of a grassland ecosystem to maintain primary production for cattle forage across several ...