In his influential and highly readable book Collapse, Jared Diamond claims that human-induced ecological and environmental degradation and the over-use of natural resources have caused civilizations to collapse. The term ‘collapse’ means “… a drastic decrease in human population size,...

In his influential and highly readable book Collapse, Jared Diamond claims that human-induced ecological and environmental degradation and the over-use of natural resources have caused civilizations to collapse. This paper examines the collapse thesis in light of recent research on the way...

An integrated economic/ecological model is developed to address tradeoffs between biodiversity conservation and two marketable rangeland ecosystem services: cattle grazing and elk hunting. The ecology is represented by an eleven species food web in which individual optimizing plants and animals...