Chinook/Coho/Steelhead ESU

The NOAA Evolutionarily Significant Unit (ESU) data are available for download directly from the NOAA Northwest Regional office website. These data depict the ESU boundaries for West Coast salmon and steelhead species listed under the Endangered Species Act. The data are broken out by species.

To download the data and to read complete metadata for each layer, please visit:

http://www.westcoast.fisheries.noaa.gov/maps_data/species_population_boundaries.html