joe reiger's oyster restoration workshop presentation
TRANSCRIPT
![Page 1: Joe Reiger's Oyster Restoration Workshop Presentation](https://reader031.vdocument.in/reader031/viewer/2022030318/5a6584857f8b9a7f628b4d15/html5/thumbnails/1.jpg)
The Use of Alternative Substrates and
Designs for Oyster Restoration
Joe Rieger, Deputy Director – Restoration
Dave Koubsky, Environmental Project Manager (Elizabeth River Project)
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What Are Our Reefs Made Out Of???Oyster Shell from shucking Crushed concrete
Whelk Shell #1 Stone Granite
Oyster Shell from shucking Crushed concrete
#1 Stone Granite
Oyster Shell from shucking Crushed concrete
Whelk Shell #1 Stone Granite
Oyster Shell from shucking Crushed concrete
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Costs For Materials
Oyster Shell from shucking = $3.30/ VA bushel = $51/cy #1 Stone Granite = $50/cy Whelk Shell = $2.50/VA bushel = $38.75 Crushed concrete = $20/cy
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Evaluate Alternative SubstratesEvaluate Alternative Substrates
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Material Comparison SummaryMaterial Comparison Summary
Data Collected and Provided by Laurie Sorabella (Oyster Reef Keepers and Lynnhaven River Now
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Cross-section of Typical Reef
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Reef Restoration Lafayette River
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Reefs on the Lafayette RiverLafayette Winona VA Zoo
Knitting Mill Creek Hampton Blvd
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Proposed Location for Last 6 Acres of Proposed Location for Last 6 Acres of Reef Restoration 2018Reef Restoration 2018
1.7 acres
4.2 acres
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Chesterfield Heights Oyster Reef
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Oyster Structures and Coastal Resilience
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Construction
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Oyster Castle Design
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Three Designs
Straight Face
Diamond Face
Zig Zag
Straight Face
Diamond Face
Straight Face
Zig Zag
Diamond Face
Straight Face
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Zig ZagDiamond Face Straight Face
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Install Completed By Volunteers
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HRSD Castles and Oyster Bergs
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Oyster Castle Restoration Completed in 2016 for Shore Protection
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Norfolk ZooNorfolk, VA
Virginia Zoo wetland and oyster
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Questions? What other types of
alternative substrate should we be considering?
What types of other shell sources or types should we be looking into?
Are there better designs for reefs which make them higher quality habitats and also more cost effective?
What other types of oyster structures are out there and how can they be used in reef design?