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 (New Carbon Budget poster AGU 2016)
  • aquatic ecology of salmonids and streams of the Pacific Northwest
  • science-based application of ecological principles to management problems
  • carbon offsets for forestry projects
  • climate change plans for communities
  • environmental assessments for permitting, wetlands, sensitive species

Company Background

Ecosystems Northwest was established in 1994 in Corvallis, Oregon and was moved to Mount Shasta, California in 1999.  Kim Gerard Mattson 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. Mattson is also certified as a senior ecologist by the Ecological Society of America, certified in wetlands delineations, and holds scientific collection permits for listed fish. 

Kim Mattson, ecologist and owner:

“Ecosystems Northwest can bring in the best options to help you craft your environmental solutions.  ” 

ENW Service Summary, PDF 130

Mattson resume 2016

Contact Information

Ecosystems Northwest 
189 Shasta Av, Mount Shasta, CA 96067
530-925-5943 / 530-926-4136
Email: mattson@EcosystemsNorthwest.com