Subject
- Atheliaceae -- Oregon -- H.J. Andrews Experimental Forest1
- Atmospheric carbon dioxide -- Oregon -- Metolius River Watershed1
- Bird populations -- Alaska -- Prince William Sound1
- Bryophytes -- Cascade Range1
- Bryophytes -- Ecology -- Oregon1
- Bryophytes -- Oregon1
- Carbon cycle (Biogeochemistry) -- Oregon -- Metolius River Watershed1
- Ecosystem management -- Oregon1
- Ectomycorrhizal fungi -- Oregon -- H.J. Andrews Experimental Forest1
- Endangered plants -- Ecology -- Oregon -- Willamette River Valley1
- Euphausiacea -- Ecology -- Oregon1
- Exxon Valdez Oil Spill, Alaska, 1989 -- Environmental aspects1
- Fire ecology -- Oregon -- Metolius River Watershed1
- Fish communities -- Philippines -- Ragay Gulf1
- Fishes -- Seasonal distribution -- Philippines -- Ragay Gulf1
- Fishes -- Vertical distribution -- Philippines -- Ragay Gulf1
- Forest dynamics -- Oregon1
- Forest ecology -- Cascade Range1
- Forest ecology -- Oregon1
- Forest fires -- Environmental aspects -- Oregon -- Metolius River Watershed1