City of Portland, OregonThe City of Portland, Bureau of Planning, Natural Resource Inventory Update project GIS model combined riparian and wildlife habitat relative resource value. For more information about the City of Portland Natural Resource Inventory Update project, visit the project homepage at:https://www.portlandonline.com/bps/index.cfm?&c=40437 For more information on the Natural Resource Inventory GIS model, refer to:https://www.portlandonline.com/shared/cfm/image.cfm?id=165937 -- Additional Information: Category: Planning Purpose: This information is intended to update Portland's existing natural resource inventories and inform existing environmental program implementation, current and future planning efforts, and future resource management decisions. Update Frequency: As needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52823ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/73391ec4c5f2423089c2786a85a23efa_111engPortlandMaps Open DataPublicNatural Resource Inventory (NRI) Combined Riparian Wildlife Value [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2025-11-17