More grass means less forest; more forest less grass.....

“ More grass means less forest; more forest less grass. But either-or is a construction more deeply woven into our culture than into nature, where even antagonists depend on one another and the liveliest places are the edges, the in-betweens or both-ands..... Relations are what matter most. ”

Michael Pollan

From : The Omnivore's Dilemma: A Natural History of Four Meals