Title 13 Inventory, Portland Metro Region, Oregon

The chief mapping data for the Metro Title 13 Resource Inventory adopted by the metro council in September of 2005. Combines Regionally Significant Riparian & Upland Wildife habitat, Habitats of Concern, and impact areas into one integrated layer. Based on Metro's GIS models for mapping riparian functions and wildlife values. The precursor for the Metro Title 13 Habitat Conservation Areas. To comply with title 13 local jurisdictions may have developed their own maps and programs.

Code for Title 13 Inventory Resource Class:

10:  Riparian Corridors / Wildlife Habitat Class I - Areas support 3 or more riparian functions
11:  Riparian Corridors / Wildlife Habitat Class II - areas supportng 1 or 2 primary riparian functions
12:  Riparian Corridors Class III - Areas supporting only secondary riparian functions outside wildlife areas
31:  Upland Impact Areas - areas within 25 feet of any reguionally significant resources except riparian class III. Could adversely affect resource
21:  Upland Wildlife habitat class B - areas with secondary riparian value that have medium value for wildlife habitat
22:  Upland Wildlife habitat class C - areas with secondary riparian value that have low value for wildlife habitat
30:  Aquatic Impact Areas - areas within 150 of streams, river, lakes, or wetlands that are not considered regionally significant resources but could have some adverse impacts.
20:  Upland Wildlife habitat class A - areas with secondary riparian value that have high value for wildlife habitat

Downloaded from Metro's RLIS Discovery site on 7/2/2012.