Siletz Estuary Plant Community (Vegetation) Mapping - Geospatial Data, 2001
This study mapped twelve wetland plant communities (or “alliances”) and 59 subcommunities (or “community elements”) in 252 ha (623 A) of tidal and formerly tidal wetlands within the Siletz estuary. The target shapefile polygon size for the GIS mapping project was 0.8 to 2 ha (1 to 5 A). Within the study area, plant …