Cumulative Effects Project Making Watershed Decisions Graeme - PowerPoint PPT Presentation

Cumulative Effects Project Making Watershed Decisions Graeme Strathdee Sylvan Lake Sylvan Lake Waters Watershe hed Stewardship Society d Stewardship Society

Sylvan Lake A Central Alberta Recreational Lake Asset

Sylvan Lake Scenarios The Land Rush

Sylvan Lake Scenarios

Sylvan Lake Scenarios Water and Nutrient Balance Source: AXYS 2005

Sylvan Lake Scenarios Water and Sewage Pipelines West Leg Capital Cost: $69+ million. Stantec, 2005.

Sylvan Lake Scenarios Watershed Economics

Cumulative Effects Management 1. Cumulative: Big picture, over time 2. Effects: Process Actions and Outcomes 3. Management: Goals and Control Homer’s control panel

Brainstorm Create an Influence Diagram Criterium Decision Plus

Decision Model Simplified Natural Capital Influence Diagram Criterium Decision Plus

Hierarchy Diagram Decision Analysis for the Baseline Scenario Criterium Decision Plus

Decision Model Criteria with Weights for Baseline Scenario Goal Level Rating Set Weights Protect Valued Natural Assets Terrestrial & Aquatic 75 Water Quality 100 Water Quantity 50 Level 2 Rating Set Weights Terrestrial & Aquatic Linear Disturbances 25 Wildlife Biodiversity 50 Habitat Cover and Health 50 Species at Risk 25 Water Quality Suspended Solids 50 Microbiology 25 Chemicals 0 Nutrients on Land 75 Nutrients in Lake 100 Water Quantity Natural Variables 75 Controllable Variables 50 Rating Scale: 100 is High, 0 is Low 100: Critical; 75: Very Important; 50: Important; 25: Unimportant; 0: Trivial

Decision Model Criteria with Weights for Baseline Scenario

Cumulative Effects Management Homer’s Baseline Scenario control panel

Decision Criteria Hierarchy Diagram for 3 Scenarios

Decision Model Criteria with Weights for Three Scenarios

Cumulative Effects Management Homer’s Three ‐ Scenario control panel

Control Cumulative Effects High Standards Monitor Report Enforce

Control Cumulative Effects High Standards Monitor Report Enforce