The removal of dams in northwestern Oregon provides insight into river water flow, sedimentation fluctuations and ecological changes.
Pacific Northwest & Alaska Ecology
During the summer of 2006, anoxia, a complete lack of oxygen in the water, was recorded off the central Oregon coast for the first time.
When the primary goal of a forest is sustainable timber production, the lack of historic tree diversity, shrub and vegetation species may have long-term impacts on forest health.
Although native to eastern North America, barred owls moved west as human activities altered the landscape, according to USFWS. Since barred owls are less selective about their habitat and prey, they are out-competing northern spotted owls for habitat and food.
Washington state’s Puget Sound is the focus of a large-scale estuarine restoration project, spearheaded by conversation organizations hoping to amass a multi-billion dollar warchest.