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These maps were created by Aquila Flower with support from Western Washington University’s Spatial Institute, Salish Sea Institute, and Border Policy Research Institute.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. You are free to share and distribute these maps for non-commercial purposes, but you must include a citation (such as “Reference Map for the Salish Sea Bioregion, Aquila Flower, 2020″). If you wish to modify these maps, you can do so only with prior permission.

Bathymetry and elevation data from multiple sources were combined as a mosaic to create a single cohesive topo-bathymetric model of the region. The boundary of the Salish Sea Bioregion follows the outline of watersheds that drain into the sea. Throughout most of the region, the boundary exactly follows the borders of HUC-8 level US watersheds and sub-sub-drainage basin level Canadian watersheds that directly or indirectly drain into the Salish Sea. Watersheds in the Fraser River’s upper drainage area were excluded. The watersheds at the northeastern and northwestern corners of the boundary were clipped along sub-basin boundaries to remove portions of the larger watersheds that drain into Johnstone Strait rather than the Salish Sea.

SalishSeaBioregionReferenceMaps.zip

This .zip folder contains 300 dpi PNG format files of the Salish Sea Reference Map and the Salish Sea Physical Geography Reference Map in 8.5×11″ layouts.