Bottomland forests are generally used to describe forests which are comprised of both hardwood and softwood tree species that occur on low-elevation, alluvial floodplains or lower terraces of rivers…

Mixed hardwoods and conifers characterize this habitat which is widespread in western Oregon in the medium elevations of the hills of the Coast Range. Precipitation is higher in this habitat than in…

Wet prairies were once a common habitat in the floodplain of the Willamette River. These habitats occur on poorly drained clay soils or shallow soils above bedrock. Seasonal flooding creates anaerobic…