The Watershed Health Monitoring (WHM) program sampled randomly selected streams in the Upper Columbia Status and Trends Region during 2012. We used a Generalized Random Tesselation Stratified (GRTS) stream survey.
Riparian canopy data, as measured with convex densiometer. These are from Watershed Health Monitoring surveys conducted by the Department of Ecology during 2009 through 2019. Data from Recovery Regions are intended for the 2020 State if the Salmon Report. Reference this metric in the Watershed Health database: "X DensioBank".