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POL Government Bureaus & Offices Planning & Sustainability What We Do Planning Natural Resource Inventory Update Project
NRI Update
Project Background
History of the NRIU project, goals, next steps
Methodology
NRIU project methodology
Reports and Documents
NRIU documents and reports
Maps
NRIU maps
Related Efforts
Other related planning efforts
Frequently Asked Questions
Questions and answers about the NRIU project
Contact Information
NRIU team and contact information
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Natural Resource Inventory Update Project

The Natural Resource Inventory Update Project is a citywide project to revise and update existing information on natural resources (trees, streams, wildlife habitat, etc.) in Portland. The update is part of Portland's River Renaissance Strategy and the Portland Watershed Management Plan to ensure that the Willamette River and its tributary watersheds are clean and healthy.

 

Project Background

Project Background

The Natural Resource Inventory Update project is an important element of the City's overall watershed health strategy. The project builds on existing natural resource inventories, and Metro's inventory of regionally significant riparian corridors and wildlife habitat. Learn more...

Methodology

Methodology

The Natural Resource Inventory Update project uses recent scientific information and data about riparian and upland resources to create resource maps. Key landscape features are identified and the functions they provide are evaluated and ranked for relative quantity and quality. Learn more...

Reports and Documents

Reports and Documents

The products of the Natural Resource Inventory Update project include reports describing the location and relative quality of riparian resources and wildlife habitat in Portland. The reports and supporting documents will help inform existing programs and future natural resource management decisions. Learn more...

Maps

Maps

Products of the Natural Resource Inventory Update project include maps showing the location of natural resources in Portland. Interactive maps of these resources are available on PortlandMaps, and as GIS data. Learn more...

Related Efforts

Related Efforts

The Natural Resource Inventory Update project relates to other City, regional and community planning efforts such as the River Plan/North Reach project, Airport Futures, Hayden Island, the Portland Watershed Management Plan, and Metro's Nature in Neighborhoods program. Learn more...

FAQs

Frequently Asked Questions

Answers to general questions about the Natural Resource Inventory Update project, the science behind the inventory, and how to get involved in the project. Learn more...

Contact Info

Contact Information

Natural Resource Inventory Update project mailing address, phone numbers, and email addresses. Learn more...