California Coastal Commission

PROCEDURAL GUIDANCE FOR EVALUATING WETLAND MITIGATION PROJECTS IN CALIFORNIA'S COASTAL ZONE

TABLE OF CONTENTS


List of Tables

List of Figures

List of Boxes

Executive Summary

1. Introduction

2. The Regulatory and Policy Context

2.1. Relevant State Regulations and Policies

2.2. Relevant Federal Regulations and Policies

3. Mitigation Defined

4. General Procedures for Evaluating the Performance of Wetland Mitigation Projects

4.1. The Overall Framework

4.2 Individual Elements of the Framework

4.2.1. Ecological Assessment

4.2.1.1. Assessing wetland habitat

4.2.1.2. Assessing wetland functions

4.2.1.3. Assessing a wetland's ecological contribution to the landscape

4.2.1.4. Other issues to consider in an ecological assessment

4.2.2. Goals, Objectives, and Performance Standards

4.2.3. Mitigation Attributes

4.2.3.1. Types of compensatory mitigation

4.2.3.2. Mitigation project location

4.2.3.3. The mitigation ratio

4.2.4. Monitoring Program

4.2.4.1. Types of monitoring program assessments

4.2.4.2. What to include in a monitoring program

4.2.5. Performance Evaluation

4.2.5.1. The evaluation process

4.2.5.2. Determining the basis for evaluating wetland performance

4.2.5.3. Performance curves: a potential tool for evaluating wetland performance

5. The Concept of Adaptive Management

6. Mitigation Plan Development and Evaluation

7. Evaluating the Performance of Out-of-Kind Mitigation Projects

7.1. Comparing Dissimilar Habitats

7.2. Using the Procedures Described for In-Kind Mitigation

8. Evaluating the Performance of Noncompensatory Wetland Restoration Projects

9. Evaluating the Performance of Noncompensatory Wetland Enhancement Projects

10. Case Studies

10.1. Lone Tree Slide/Bolinas Lagoon Case Study

10.1.1. Ecological Assessment

10.1.2. Goals, Objectives, and Performance Standards

10.1.3. Mitigation Attributes

10.1.4. Monitoring Program

10.1.5. Evaluation of Performance

10.1.6. Applying the General Procedures for Evaluating Wetland Mitigation Project Performance

Checklist of Information Included in the Permit File and the Mitigation Plan for the Lone Tree Slide/Bolinas Lagoon Mitigation Project

Lone Tree Slide/Bolinas Lagoon Permit File Review

Lone Tree Slide/Bolinas Lagoon Mitigation Site Evaluation

10.2. Moss Landing South Harbor Case Study

10.2.1. Ecological Assessment

10.2.2. Goals, Objectives, and Performance Standards

10.2.3. Mitigation Attributes

10.2.4. Monitoring Program

10.2.5. Evaluation of Performance

10.2.6. Applying the General Procedures for Evaluating Wetland Mitigation Project Performance

Checklist of Information Included in the Permit File and the Mitigation Plan for the Moss Landing South Harbor Mitigation Project

Moss Landing South Harbor Permit File Review

Moss Landing South Harbor Mitigation Site Evaluation

10.3. Sweetwater Marsh Case Study

10.3.1. Ecological Assessment

10.3.2. Goals, Objectives, and Performance Standards

10.3.3. Mitigation Attributes

10.3.4. Monitoring Program

10.3.5. Evaluation of Performance

10.3.6. Applying the General Procedures for Evaluating Wetland Mitigation Project Performance

Checklist of Information Included in the Permit File and the Biological Opinion for the Sweetwater Marsh Mitigation Project

Sweetwater Marsh Permit File Review

Sweetwater Marsh Mitigation Site Evaluation

11. Literature Cited

12. Glossary

Appendix A: Sample Forms for Use in Reviewing Mitigation Plans and Permit Files and for Completing Site Evaluations

Checklist of Information Recommended for Inclusion in Compensatory Mitigation Plans

Permit File Review Form

Mitigation/Restoration Site Evaluation Form

Appendix B: Annotated Bibliography

A Guide to the Annotated Bibliography

Literature Citations and Annotations

Appendix C: Wetland Mitigation Guidelines and Policy Statements from Other Agencies

Habitat Mitigation and Monitoring Proposal Guidelines Army Corps of Engineers, San Francisco District

Habitat Mitigation and Monitoring Proposal Guidelines Army Corps of Engineers, Los Angeles District

Mitigation Policy U.S. Fish and Wildlife Service


LIST OF TABLES


Table 1 A list of the Attributes Potentially Important to Assessing Wetland Habitats and Functions

Table 2 Example of a Monitoring Program for a Tidally Influenced Wetland with Open-water and Marsh Habitats

Table 3 A Comparison of Goals, Objectives and Performance Standards for the Lone Tree Slide/Bolinas Lagoon Project

Table 4 Summary of Applicable Acreage Values and Resulting Mitigation Ratio for the Moss Landing South Harbor Mitigation Project

Table B-1 Bibliographic References by Subject Matter

Table B-2 Bibliographic Reference Locations and Availability


LIST OF FIGURES


Figure 1 A Diagram of the Overall Framework for Developing Wetland Mitigation Plans and for Evaluating Wetland Mitigation Project Performance

Figure 2 Relationship Between, Goals, Objectives, and Performance Standards

Figure 3 Performance Evaluation Process

Figure 4 Hypothetical Performance Curves


LIST OF BOXES


Box One Regional Assessments of Wetland Resources

Box Two Goals, Objectives, and Performance Standards Established for the Sweetwater Marsh Mitigation Project

Box Three Defining Success


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