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British Columbia Marine Ecological Classification: Marine Ecosections and Ecounits

January 1997

RESOURCES INVENTORY COMMITTEE APPROVED STANDARD

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By

D. E. Howes
Land Use Coordination Office
Province of British Columbia
Victoria, British Columbia

M. A. Zacharias
Otter Bay Coastal Resources
Victoria, British Columbia

And

J. R. Harper
Coastal and Ocean Resources Inc.
Victoria, British Columbia

For

THE RESOURCE INVENTORY COMMITTEE
COASTAL TASK FORCE


TABLE OF CONTENTS

Abstract

Preface

INTRODUCTION

METHODS

Creation of the ecounits

Criteria not used in the creation of the ecounits

Analysis of ecosections

RESULTS

Individual Thematic Analysis

Ecosection Homogeneity

DISCUSSION

REFERENCES

Appendix A: British Columbia Marine Ecological Classification System

LIST OF TABLES

TABLE 1. THE PACIFIC MARINE CLASSIFICATION

TABLE 2: BC MARINE ECOLOGICAL CLASSIFICATION ECOUNIT THEMES

TABLE 3: SUMMARY OF DOMINANT CLASSES OF EACH CRITERIA WITHIN EACH ECOSECTION

TABLE 4: BC MARINE ECOSYSTEM CLASSIFICATION

TABLE 5: SUMMARY CHARACTERISTICS OF THE BC MARINE ECOSECTIONS

LIST OF FIGURES

FIGURE 1: DISTRIBUTION OF DEPTH FOR EACH ECOSECTION

FIGURE 2: DISTRIBUTION OF CURRENTS FOR EACH ECOSECTION

FIGURE 3: DISTRIBUTION OF EXPOSURE FOR EACH ECOSECTION

FIGURE 4: DISTRIBUTION OF SUBSURFACE RELIEF FOR EACH ECOSECTION

FIGURE 5: DISTRIBUTION OF BOTTOM SUBSTRATE FOR EACH ECOSECTION

FIGURE 6: COMPARISON OF ECOUNITS TO ECOCLASSES WITH ECOSECTIONS

Acknowledgments

The authors would like gratefully acknowledges the contributions of Peter Wainwright and Gary Searing who helped to develop the ecosections reviewed in this report and the physical data bases for their assessment. Carol Ogborne and Susan Westmacott of the Land Use Coordination Office also provided valuable GIS assistance.


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