Losing Biodiversitychapter Imagine you are sitting on a hill looking out over prairie grassland that stretches as far as your eyes can see. 지금은 , 의 봄이고, 오마하 인디언인 당신은 버팔로의 귀환을 간절히 기다리고 있습니다. On the southern horizon, a black tide moves steadily towards you.