Ecosystems Northwest is an ecological consulting firm that performs natural resource services including environmental analyses, field surveys, data analyses, and written syntheses.


  • soils and carbon cycling/sequestration
  • aquatic ecology of salmonids and streams of the Pacific Northwest
  • science-based application of ecological principles to management problems.

Company Background

Ecosystems Northwest was established in 1994 in Corvallis, Oregon and was moved to Mount Shasta, California in 1999.  Kim Gerard Mattson, owner and operator, has a Ph.D. in ecology, and has performed research on forests, soils, and ecosystems.  Mattson formed Ecosystems Northwest in order to satisfy his desire to work independently on applied problems.  Ecosystems Northwest employs surveyor/scientists on a project-by-project basis. Besides ecological research, Mattson has experience as an environmental director of a Native American tribe, an environmental planner for California Department of Transportation, and is certified in forest carbon offset protocols by the California Air Resources Board.

Kim headshot seattle

Kim Mattson, ecologist and owner:

“Ecosystems Northwest can bring in the best people to help you craft environmental solutions.  Feel free to call me to discuss your project.” 


Click here to view resume/biographic sketch of Kim Mattson


Contact Information

Ecosystems Northwest 
189 Shasta Av, Mount Shasta, CA 96067
530-925-5943 / 530-926-4136