UC GIS Week

How to use the California tree species range map atlas

In GIS Week 2024, we presented the construction of updated range maps for all of California's tree species, including data sources, GIS methods, and biogeographical concepts. This is the first time in over 50 years that comprehensive tree species range maps have been made for California. In the last year, we have completed nearly every new range map and have established most of the technical and social infrastructure required to disseminate them. We have also begun using the maps to assess each species' place-based climate exposure, fire risk, and seed supply/demand. At this year's GIS Week, we will show attendees how to view, download, and use the range maps in a website, mobile apps (FieldMaps, Avenza), ArcGIS Online, and ArcGIS Pro. We will also share examples of how these maps are already being applied in various research and reforestation projects.