UK Scientists Urge Seascape‑Scale Restoration to Boost Marine Biodiversity and Climate Resilience

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Scientists in the UK are calling for a transformative approach to marine ecosystem restoration, urging policymakers to shift from piecemeal habitat repairs to full-scale, connected seascape regeneration. A new study, published in the journal Ocean Sustainability and presented at a symposium held by the Zoological Society of London, emphasises the ecological importance of restoring inter connected coastal habitats such as oyster reefs, kelp forests, saltmarshes, and seagrass meadows, rather than treating each in isolation. Evidence from case studies from improved seagrass growth near oyster beds in California, to kelp-derived carbon boosting fish populations in New Zealand, and oyster reefs enhancing water clarity in Chesapeake Bay ndemonstrates that these ecosystems function synergistically. The researchers argue that these interdependencies are essential for achieving both biodiversity and climate targets. Restoring isolated patches, they say, is insufficient; an integrated, seascape-level strategy is essential to reverse marine degradation, rebuild fish stocks, and enhance coastal protection. They urge updates to marine protected area frameworks, environmental assessment procedures, and coordinated restoration policies across land–sea boundaries. This call to action arrives amid alarming UK marine habitat losses: up to 95 % of oyster reefs and 90 % of seagrass are estimated to have disappeared. What this means: this marks a pivotal shift in how marine conservation must be approached. Recognising ecosystems as interconnected systems will require a rethinking of policy, planning and investment to deliver truly restorative impact at scale. Seascape‑scale restoration not only has the potential to safeguard biodiversity but also to enhance carbon capture, coastal resilience, and marine ecosystem services that underpin communities and fisheries.

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