A Stable Kalapuyan Anthropogenic-Environmental Model?

It is noted that humans have had an extreme effect on the environment everywhere they have lived. These changes became much more radical some 12,000 years ago when agriculture was developed. In the Willamette Valley the tribes did not develop agriculture. They did instead participate in seasonal anthropogenic fires, and seasonal harvesting of foods, at … More A Stable Kalapuyan Anthropogenic-Environmental Model?