Groundwater-Dependent Biodiversity and Associated Threats in Oregon and Washington

This gallery contains several datasets pertaining to issues of groundwater quality, quantity, and biodiversity in Oregon and Washington. They were created as parts of separate state-wide spatial assessments by The Nature Conservancy. Data is aggregated within 6th-level hydrologic units (HUC6). Further information is available in the reports, cited below. Documents from the studies can be found under the "attachments" tab of this gallery.

Brown, J. A. Wyers, L. Bach and A. Aldous. 2009. Groundwater-Dependent Biodiversity and Associated Threats: A Statewide Screening Methodology and Spatial Assessment of Oregon. The Nature Conservancy in Oregon.

Brown, J. J. DeGagne, A. Wyers, and J. Schroeder. 2009. A Spatial Assessment of Groundwater-Dependent Biodiversity and Associated Threats in Washington. The Nature Conservancy, Portland, OR.