Native Oyster Restoration Monitoring (NORM) Program

Lynnhaven River: Pre-deployment basin survey
For survey purposes, the Lynnhaven River basin has been divided into five functional regions that are delineated in color on the map above. These include: Broad Bay (green), Long Creek (blue), Eastern Branch (yellow), Western Branch (purple) and Hume's Marsh complex (red).
Within regions, features are categorized as:
Graph Gallery
Summary
Digital video transects have been used to estimate percent oyster cover for 5 regions in the Lynnhaven estuary. Intertidal shoreline and intertidal patch and fringing shell reef habitats have been assigned to one of 5 habitat categories (bulkhead, marsh, riprap, sand, other). Within these categories, oyster densities have been characterized into 7 categories on the basis of percent coverage (0%, 1-5%, 6-25%, 26-50%, 51-75%, 76-95%, 96-100%). The term "feature" delineates the number of places within a category that were mapped.
 
Summary of intertidal shoreline features
Region
Habitat category
Oyster density category
# features mapped
Total linear distance mapped (m)
Relative proportion overall (%)
All combined
All combined
All combined
634
194525
not applicable
Broad Bay
150
22645
11.6
Eastern Branch
115
75437
38.8
Humes Marsh
129
40036
20.6
Long Creek
129
13237
6.8
Western Branch
111
43170
22.2
 
Summary of intertidal patch and fringing reef features
Region
Habitat category
Oyster density category
# features mapped
Total area mapped (sq m)
Relative proportion overall (%)
All combined
All combined
All combined
59
44600
not applicable
Broad Bay
1
687
1.5
Eastern Branch
4
2543
5.7
Humes Marsh
51
33041
74.1
Long Creek
2
2995
6.7
Western Branch
1
5333
12.0
 
Summary of observed oyster population
PDF file containing oyster population summary and speaker's notes

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Date last modified 07.17.2006
All information © 2006.
Virginia Institute of Marine Science.
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