Subject
- Greenhouse gases -- Forecasting7
- Agricultural pests -- Control -- Congresses3
- Earthquake hazard analysis -- Northwest, Pacific2
- Earthquakes -- Safety measures2
- Pear psylla2
- Pears -- Diseases and pests2
- Burning of land -- Coast Ranges -- History1
- Burning of land -- Oregon, Western -- History1
- Carbon cycle (Biogeochemistry) -- Former Soviet republics1
- Climatic changes -- Oregon -- Benton County -- Forecasting1
- Climatic changes -- Oregon -- Clackamas County -- Forecasting1
- Climatic changes -- Oregon -- Douglas County -- Forecasting1
- Climatic changes -- Oregon -- Jackson County -- Forecasting1
- Climatic changes -- Oregon -- Morrow County -- Forecasting1
- Climatic changes -- Oregon -- Polk County -- Forecasting1
- Climatic changes -- Oregon -- Union County -- Forecasting1
- Contributions in education and outreach1
- Fire ecology -- Oregon -- Willamette River Valley1
- Forest fires -- Coast Ranges -- History1
- Forest fires -- Oregon1