Canopy Bull Kelp Mapping Summary Report, 2022

Extracted text (beginning)

sarah@copasta 
MCORI Project: 21-10                 March 2022 
 
 
ShoreZone Polygon Mapping Summary Report 
 
Bull Kelp in the Islands Trust Area 
 
 
 
Imrie Island (bc21_gi_11178) 
 
 
Prepared for: 
The Islands Trust Conservancy 
Suite 200-1627 Fort Street 
Victoria, BC, V8R 1H8 
 
Prepared by: 
Coastal and Ocean Resources 
759A Vanalman Ave.  
Victoria, BC, V8Z 3B8 Canada 
(250) 658-4050 
www.coastalandoceans.com  

 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The suggested citation for this report is: 
Coastal and Ocean Resources, 2022. ShoreZone Polygon Mapping Summary 
Report:  Bull Kelp in the Islands Trust Area. Produced for the Islands Trust 
Conservancy, Victoria, BC. Produced by Coastal & Ocean Resources, Victoria, BC. 
10p. 

 
ii  
 
TABLE OF CONTENTS 
 
 
SECTION TITLE  PAGE 
  
 
 Table of Contents ii 
 List of Figures and Tables iii 
   
1 INTRODUCTION 1 
   
2 BULL KELP POLYGON DATA SUMMARY 3 
2.1 Methodology 3 
2.2 Results 7 
 
 
 
   
3 REFERENCES  10 
 
  

 
iii   
 
LIST OF FIGURES AND TABLES 
 
Figure Description Page 
1 Extent of ShoreZone imagery within the Islands trust area  2 
2 Example of a Sparse Density category Bull Kelp in the Islands Trust area    4 
3 Example of a Moderate Density category Bull Kelp in the Islands Trust 
area    
4 
4 Example of a Dense Density category Bull Kelp in the Islands Trust area 5 
5 Example of an area where the ShoreZone image and the satellite image 
show a large disparity  
6 
6 Example of the Bull Kelp habitat polygons mapped around D’arcy Island 7 
7 Example of the Bull Kelp habitat polygons mapped in Georgeson 
Passage 
8 
 
 
Table 
 
Description 
 
Page 
1 Definitions of the ShoreZone Bull Kelp bioband 3 
2 Totals of Bull Kelp habitat polygons mapped in the Islands trust area by 
Density category 
9 
3 Totals of Bull Kelp habitat polygons mapped in the Islands trust area by 
Confidence category 
9 

 
1 
1  INTRODUCTION 
 
ShoreZone is an imaging and habitat classification system for the coastal nearshore 
margin including the shallow subtidal, intertidal shoreline and supratidal fringe. One 
objective of ShoreZone is to produce a georeferenced, searchable inventory of the 
physical and biological attributes of coastal habitats.  ShoreZone imagery and habitat 
mapping attributes can provide a useful baseline from which to study change over time, 
while the attributes mapped (such as shoreline sediments, predicted oil residence and 
biotic communities) provide an important resource for scientists, managers and 
responders.  The ShoreZone mapping system provides a decision support tool with 
many potential uses including community planning, facilities siting, conservation 
planning, research and fisheries management, emergency planning and response, 
search and rescue, education and habitat modeling. 
 
The ShoreZone system was developed in the 1980s and 1990s to map coastal habitats 
in British Columbia and Washington State (Howes 200

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