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 least as far back as 8,000 years. The Kalapuyans divided their year in half with the summer season for the tribe began in the spring with movements to gathering camps for early vegetables and fruits. Their year began in autumn as stated on the 1877 … Continue reading A Stable Kalapuyan Anthropogenic-Environmental Model?