US Forest Service Research & Development
Contact Information
  • US Forest Service Research & Development
  • 1400 Independence Ave., SW
  • Washington, D.C. 20250-0003
  • 800-832-1355
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Andrew Gray

Research Ecologist, Team Leader
3200 SW Jefferson Way
United States

Phone: 541-750-7252
Contact Andrew Gray

Current Research

My research focuses on the application of forest inventory data. I am reconstructing changes in carbon through time by linking inventory and satellite data and am improving our ability to predict tree canopy cover using tree measurements. I also am studying the effects of management and environment on regional patterns of species richness, estimating the extent of regional wildlife habitat from inventory plots, and determining rates and patterns of land use change in Washington state.

Research Interests

Forest inventory data application, effects of disturbance and management on forest composition and structure, conditions and trends of Washington's forest resources.

Past Research

My past research has included investigations of long-term vegetation response to canopy gaps in mature conifer forests, applications of adaptive management studies in coastal Oregon, effects of fire and prescribed burning on regeneration and soil moisture in Sierran mixed conifer, and regional distribution and abundance of invasive species.

Why This Research is Important

My work is important because forest inventories provide an unbiased examination of forest conditions and trends across large regions and multiple ownerships. The proper collection, compilation, and analysis of inventory data provides a solid factual bedrock to inform policymakers and managers and supports additional modeling studies that evaluate the potential impacts of future changes in management and environment.


  • Oregon State University, Forest Ecology , 1995
  • University of Washington, Forest Ecology , 1990
  • University of Washington, Environmental Studies , 1985

Professional Organizations

  • Ecological Society of America, Member (1990 - Current)

Featured Publications & Products


Research Highlights


Forest and Agricultural Land Area Declines in Washington State While Residential and Urban Land Use Increases Over Past 30 years

Station scientists and partners assessed changes in land use and housing density across Washington state from 1976 to 2006. They found that the ...


Increasing Development Near Public Forest Lands in Washington and Oregon Has Implications for Public Land Management and Fire Suppression

Areas bordering public forest land in Washington and Oregon are showing substantial increases in development, with the number of structures on p ...


Net Forest Carbon in Oregon Increased Slightly During the Last Decade

Gains in forest carbon through tree growth and afforestation in the Pacific Northwest were offset by fire, insects, cutting, and deforestation.


Last updated on : 11/09/2015