Chapter 1 Introduction .................................................................... 1 Wayne G. Landis Chapter 2 Introduction to the Regional Risk Assessment Using the Relative Risk Model ..... 11 Wayne G. Landis and Janice K. Wiegers Chapter 3 Interactions among Risk Assessors, Decision Makers, and Stakeholders at the Regional Scale: The Importance of Connecting Landscape-Level Endpoints with Management Decisions ........................................................... 37 P. Bruce Duncan Chapter 4 Application of the Relative Risk Model to the Fjord of Port Valdez, Alaska ..... 53 Janice K. Wiegers and Wayne G. Landis Chapter 5 Application of the Relative Risk Model to the Upper Willamette River and Lower McKenzie River, Oregon ................................................... 91 Matthew Luxon and Wayne G. Landis Chapter 6 Codorus Creek Watershed: A Regional Ecological Risk Assessment with Field Confirmation of the Risk Patterns ............................................. 119 Angela M. Obery, Jill F. Thomas, and Wayne G. Landis Chapter 7 Codorus Creek: Use of the Relative Risk Model Ecological Risk Assessment as a Predictive Model for Decision Making ..................................... 143 Jill F. Thomas Chapter 8 Developing a Regional Ecological Risk Assessment: A Case Study of a Tasmanian Agricultural Catchment .............................................. 159 Rachel Walker, Wayne G. Landis, and Philip Brown Chapter 9 Establishing Conservation Priorities in a Rain Forest Reserve in Brazil: An Application of the Regional Risk Assessment Method ......................... 179 Rosana Moraes, Wayne G. Landis, and Sverker Molander Chapter 10 Using the Relative Risk Model for a Regional-Scale Ecological Risk Assessment of the Squalicum Creek Watershed ................................... 195 Joy C. Chen and Wayne G. Landis Chapter 11 The Use of Regional Risk Assessment in the Management of the Marine Resources in the Cherry Point Region of Northwest Washington .................. 231 April J. Markiewicz Chapter 12 Retrospective Regional Risk Assessment Predictions and the Application of a Monte Carlo Analysis for the Decline of the Cherry Point Herring Stock ........ 245 Wayne G. Landis, Emily Hart Hayes, and April M. Markiewicz Chapter 13 Ecological Risk Assessment Using the Relative Risk Model and Incorporating a Monte Carlo Uncertainty Analysis ............................................ 257 Emily Hart Hayes and Wayne G. Landis Index ......................................................................... 291