Restoring the UK’s Coastal Habitats: Seascape-Scale Action for Biodiversity and Climate Resilience

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A major new study underscores the necessity of restoring entire coastal ecosystems or “seascapes” to reverse dramatic habitat losses and bolster both climate resilience and biodiversity. Led by the University of Portsmouth, with participation from the Zoological Society of London and the University of Edinburgh, researchers argue that oyster reefs, kelp forests, saltmarshes, and seagrass meadows must be rebuilt in concert, not treated as isolated interventions. These interlinked habitats support each other dynamically kelp-derived carbon enhances fish populations, oyster reefs improve water clarity and nutrient removal, and seagrass thrives more vigorously when co-located with reefs. This integrated approach is essential to meet global climate and biodiversity targets, including restoring ecological connectivity across marine systems. The UK has suffered staggering losses as much as 95% of its oyster reefs and 90% of its seagrasses making coordinated restoration urgent and critical. The report also calls for updated marine protected area frameworks, revised environmental assessments, and land–sea integrated restoration planning.

What this means:
This evidence fundamentally shifts restoration strategy from piecemeal efforts to systemic ecological recovery. By restoring whole coastal networks, the UK can rebuild resilience, support marine biodiversity, improve coastal protection, and deliver carbon storage. It invites policymakers to rethink marine planning: rather than single-habitat interventions, restoration must reflect the fluid, connected nature of coastal ecosystems.

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