Biodiversity Guide - The Intertwine

egional conservation strategybiodiversity guide Contentsappendix J Contributors............................................................................................................................... 311Tables1-1 Land Cover by Watershed in the Greater Portland-Vancouver Region ...........................................21-2 Areas with Publicly Owned Prairie and Oak Habitats........................................................................91-3 Publicly and Privately Owned Lands, Forest Patches (FP,) and Interior Forest Habitat (IF)in the Region, by Watershed (WS) .....................................................................................................112-1 Subbasins Used for Analysis of Vegetation Change...........................................................................162-2 Important Natural Areas in the Greater Portland-Vancouver Region............................................172-3 Acreage, Percent of Total Area, and Percent Change for 11 Land Cover Types inthe Region................................................................................................................................................182-4 Regional Biodiversity Assessments Conducted since 1990 .............................................................223-1 Public Land with Known Oak Habitat................................................................................................493-2 Sites with Ongoing Prairie Restoration...............................................................................................544-1 Primary Threats to Rare Plants in the Greater Portland-Vancouver Region, by Type..................644-2 Conservation Strategies for Rare Plants in the Region That Are Focal Species of StateConservation Plans................................................................................................................................735-1 Examples of Native Terrestrial Macroinvertebratesof the Greater Portland-Vancouver Region........................................................................................735-2 Examples of Exotic Terrestrial Macroinvertebratesof the Greater Portland-Vancouver Region........................................................................................745-3 Roles of the Region’s Salmon and Steelhead Populations in the Recovery of Lower ColumbiaRiver Evolutionarily Significant Units: Summary of Designations for Each Population,According to the Preferred Recovery Scenario..................................................................................855-4 Strategies to Recover Lower Columbia River Salmon and Steelhead Populations and TheirRelevance to General Threats Affecting Those Populations.............................................................865-5 Sample of Regional Habitats and Species Covered by Partner in Flight Conservation Plans......997-1 Land Use and Water Quality, Biological, and Stream Flow Indicators in Clark County,Washington.......................................................................................................................................... 1337-2 Land Use and Biological, Habitat, and Water Quality Indicators in Selected Willamette BasinSubbasins.............................................................................................................................................. 1347-3 Typical Invasive Species by Major Habitat Type............................................................................. 1367-4 Selected Persistent Pollutants in the Greater Portland-Vancouver Region................................. 143I-1 Watersheds in the Greater Portland-Vancouver Region, Organized by Subbasin...................... 236A-1 Regional Overview.............................................................................................................................. 165A-2 Watersheds........................................................................................................................................... 166A-3 Topography.......................................................................................................................................... 167A-4 Land Cover........................................................................................................................................... 168A-5 Forest Patches and Tree Cover........................................................................................................... 169A-6 Public Lands......................................................................................................................................... 170B-1 High-Value Habitat............................................................................................................................. 174B-2 Riparian Habitat Modeling................................................................................................................ 175B-3 High-Value Habitat–Urban Only...................................................................................................... 176B-4 Understanding Conditions at Multiple Scales................................................................................. 177I-1 Watersheds........................................................................................................................................... 234Figures1-1 The Region ...............................................................................................................................................21-2 Regional Conservation Modeled Output............................................................................................121-3 Understanding Conditions at Multiple Scales....................................................................................132-1 Relative Percent Change of Major Land Covers, 1850-2010, for the Region.................................192-2 Percent Change of Major Land Covers by Subbasin, 1850-2010.....................................................207-1 Clark County Stream Health by Watershed..................................................................................... 131viiiix