ABSTRACT

Part I: Using the Relative Risk Model for a Regional-Scale Ecological Risk Assessment of the Squalicum Creek Watershed ..........................................197

Introduction .......................................................................................................197 Methods.............................................................................................................197

Problem Formulation .............................................................................................198 Study Area.........................................................................................................198 Ecological Endpoints Identification..................................................................199 Conceptual Model.............................................................................................200

Risk Analysis .........................................................................................................201 Identifying and Ranking ...................................................................................201 Stressor Sources ................................................................................................201 Habitats .............................................................................................................202 Possible Endpoint Locations ............................................................................203

Filters .....................................................................................................................203 Integrating Ranks and Filters ................................................................................206