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Restorative Landscaping in a Coastal Ecosystem: Living Shorelines
Rosmarie Lohnes, BA CoEn & Kirsten Busche, BSc
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What is a Living Shoreline? The strategic use of living and decomposing
biomass to manage coastal issues such as erosion, habitat loss, and sedimentation.
• Spectrum • Above the high water mark
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Strategic Use of Biomass
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‘From the Land to the Water’ Approach
• Compaction and overland flow • Sediment runoff • Bank stabilization • Biodiversity • Structural density
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Designing a Living Shoreline
• Optimizing functionality • Increasing resiliency • Maintaining ecological integrity • Addressing one or many erosion factors • Visually appealing
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Planning Model • Integrating the needs of people with those of
the ecosystem they are living in
People • Goals • Recreation needs • Safety and security
Environment • Ecosystem type • Stressors • Vulnerability
Economic • Cost • Value of risk
mitigation
Integrated Landscape Plan
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Things to Consider • Ecosystem type • Soil structure • Plant selection
• Native species • Locally adapted
Bluff showing soil horizons
Vegetated sand dune
Acadian Forest
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• Human goals • Recreation and socialization • Privacy • Access • Protecting investment • Beauty
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Benefits
• Flood and erosion risk mitigation • Habitat creation • People are more connected to and invested in
the health of the coast • Increased biodiversity
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Challenges • Environmental
• North Atlantic exposure • Safety • Accessibility • Short working season
• Regulatory • Limits on below high watermark work • Cumbersome permitting process
• Demographic
• Lack of understanding • Comfort with established models • Expensive with no government funding
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Before After
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Conclusion
• In order for coastal protection to work we must include humans in the design process
• In Nova Scotia most of the coastline is privately owned
• People are the funders of these projects • People will protect what they value
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www.helpingnatureheal.com