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Rare Plant Associations, Oregon Dunes National Recreation Area, Sutton Recreation Area, And Heceta Sand Dunes Acec/Ona, John A. Christy
Rare Plant Associations, Oregon Dunes National Recreation Area, Sutton Recreation Area, And Heceta Sand Dunes Acec/Ona, John A. Christy
Institute for Natural Resources Publications
Nine of the ten rare plant associations identified in the dunes in 1993 are recommended for continued inclusion in conservation planning. Large-patch associations are currently in good condition, but small-patch associations are being infilled by a combination of plant succession and invasive species. Repeat photography using aerial and ground-based imagery is recommended as a way to gauge the rate of change in dune communities. Prescribed fire is recommended to monitor rejuvenation effects on two shore pine woodland associations that are most at risk of infilling. Vegetation mapping based on remote sensing will enable more accurate assessment of vegetation features, and …