Cumulative Effects Project Making Watershed Decisions Graeme - - PowerPoint PPT Presentation

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Mar 20, 2023 48 likes •238 views

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

SLIDE 1

Cumulative Effects Project

Making Watershed Decisions Graeme Strathdee

Sylvan Lake Sylvan Lake Waters Watershe hed Stewardship Society d Stewardship Society

SLIDE 2

Sylvan Lake

A Central Alberta Recreational Lake Asset

SLIDE 3

Sylvan Lake Scenarios

The Land Rush

SLIDE 4

Sylvan Lake Scenarios

SLIDE 5

Sylvan Lake Scenarios

Water and Nutrient Balance

Source: AXYS 2005

SLIDE 6

Sylvan Lake Scenarios

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

SLIDE 7

Sylvan Lake Scenarios

Watershed Economics

SLIDE 8

Cumulative Effects Management

1. Cumulative:

Big picture, over time

2. Effects:

Process Actions and Outcomes

3. Management:

Goals and Control

Homer’s control panel

SLIDE 9

Brainstorm

Create an Influence Diagram

Criterium Decision Plus

SLIDE 10

Decision Model

Simplified Natural Capital Influence Diagram

Criterium Decision Plus

SLIDE 11

Hierarchy Diagram

Decision Analysis for the Baseline Scenario

Criterium Decision Plus

SLIDE 12

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 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

SLIDE 13

Decision Model

Criteria with Weights for Baseline Scenario

SLIDE 14

Cumulative Effects Management

Homer’s Baseline Scenario control panel

SLIDE 15

Decision Criteria

Hierarchy Diagram for 3 Scenarios

SLIDE 16

Decision Model

Criteria with Weights for Three Scenarios

SLIDE 17

Cumulative Effects Management

Homer’s Three‐Scenario control panel

SLIDE 18

Control Cumulative Effects

High Standards Monitor Report Enforce

SLIDE 19

Control Cumulative Effects

High Standards Monitor Report Enforce