Shift in dominance from deciduous to coniferous trees and establishment of feathermoss.
Mature conifer stands, lowering of soil temperature.
Density reduced by snow breakage in 1991 followed by insect mortality. Shift from bare siltbar to initial plant colonization. Willow colonization, buried by fluvial deposition in 1997, resetting vegetation to near Stage 0. Shift from open willow to closed shrub community. Open to closed shrub.