Shrub swamps are typically located in depressions, around lakes or ponds or on river terraces. They tend to flood seasonally and are dominated by shrubs or trees that are rooted in hydric soils. These…

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…