Scientists Call for Seascape-Scale Restoration to Revive UK Marine Ecosystems

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A new study published recently presents compelling evidence on the need for seascape‑scale restoration across the UK’s coastal habitats, highlighting the interconnected nature of marine ecosystems and their critical role in securing both biodiversity and climate resilience. The research, led by the University of Portsmouth with contributions from the Zoological Society of London and the University of Edinburgh, stresses that oyster reefs, kelp forests, saltmarshes and seagrass meadows are functionally linked ecosystems that must be restored collectively to yield maximum environmental benefit. Treating these habitats in isolation risks undermining their ecological productivity and resilience, and could hamper efforts to meet both biodiversity and net zero targets. Scientists point out that restoring whole seascapes is essential to reversing declines and boosting ecosystem connectivity. Coastal habitats in the UK have experienced alarming degradation, with estimated losses of up to 95% of oyster reefs and 90% of seagrass meadows, making urgent action imperative. The study calls for a formal recognition of “seascape restoration” in policy frameworks, advocating integration across land‑sea boundaries and reform of marine protected area management to support restoration at scale. This would require updating environmental assessments and aligning restoration targets across adjacent coastal and marine environments. The findings were launched at a key international symposium in London, underscoring the urgency of adopting seascape‑wide approaches to marine recovery. The authors argue that restoring connectivity between habitats will improve carbon storage, enhance coastal protection, support fish populations and promote biodiversity thereby contributing meaningfully to both nature and net‑zero goals. The report underscores that fragmented restoration efforts aren’t enough; a systems approach is vital. Scientists emphasise that policy and practice must shift toward large‑scale planning that recognises seascapes as dynamic, interlinked systems rather than isolated features. This research amplifies the message that integrated marine restoration, underpinned by seascape connectivity, is crucial to rebuilding ecosystem health, advancing climate mitigation and sustaining marine life.

What this means: Seascape‑scale restoration represents a paradigm shift in marine conservation prioritising ecosystem connectivity can revitalize degraded coastal habitats and drive progress toward both biodiversity recovery and carbon resilience. Embedding this approach in UK policy, protected‑area management and local planning could deliver multiple benefits from carbon sequestration and fishery enhancement to coastal resilience and broader climate strategy alignment.

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