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Welcome to the Mersey Rivers Trust

Natural Flood Management (NFM) Hub

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What is Natural Flood Management?

Natural flood management (NFM) uses natural processes to reduce the risk of flooding. These processes protect, restore, and mimic the natural functions of catchments, floodplains and the coast to slow and store water.

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Benefits of NFM

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NFM Techniques

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Our NFM Projects

Benefits of NFM

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Reduce flood risk

Slow the flow of water through a catchment by storing water and reducing the flood peak.

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Improve water quality

Reducing soil erosion means less sediment and nutrients end up in the river.

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Create habitat

NFM measures provide diverse habitats including wetlands, woodlands, floodplains and sand dunes.

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Carbon capture

Wetlands and woodlands are two of the most effective natural solutions for collecting and storing carbon from the atmosphere, helping to reduce the impacts of climate change.

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Boost health & wellbeing

Improved access to blue/green spaces helps to connect people with nature for exercise, recreation or to relax.

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Cost-effective

Nature based solutions such as leaky dams and tree planting are very low cost compared to hard engineered options.

NFM Techniques

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Leaky Dams

Woody debris in river channels and ditches to slow the flow of water downstream.

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Woodland Planting

Slows the flow, helps reduce sediment delivery to the watercourse and reduces bankside erosion.

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Wetlands

Provide temporary flood storage and slowly release water back into the river.                                                           

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Soil Management

Improves infiltration, reducing soil erosion and improving water quality.                                                       

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Re-naturalising Rivers

Creating meanders and reconnecting to the floodplain to help slow and store water.

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Sand Dune Management

Improves the natural buffer helping to reduce coastal erosion and the risk of flooding from the sea.

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Our NFM Projects

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Alt Catchment NFM

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Carrs Park Wetland

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Croxteth Park Wetland

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Court Hey Park Wetland

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Fender River Restoration

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