Skip to main content
Advanced Search

Filters: Tags: Red alder (X)

2 results (8ms)   

View Results as: JSON ATOM CSV
thumbnail
These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Red alder (Alnus rubra) are a common component of forests in Western Oregon and Washington. This file provides an estimate of red alder basal area in western Oregon and Washington for each incremental catchment of the USGS Pacific Northwest SPARROW model.
thumbnail
These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This spatial data set was created by the U.S. Geological Survey (USGS) to represent the basal area of red alder trees within each incremental watershed delineated in the NHDPlus v2 dataset in the Pacific Northwest region of the United States (Hydro Region 17; Major River Basin 7 (MRB7)) in 2001.
    map background search result map search result map Red Alder Basal Area, by Stream Reach, for the Pacific Northwest Red alder trees distribution in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments Red alder trees distribution in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments Red Alder Basal Area, by Stream Reach, for the Pacific Northwest