Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewedConventional

Protecting the global ocean for biodiversity, food and climate

Enric Sala; Juan Mayorga; Darcy Bradley; Reniel B. Cabral; Trisha B. Atwood; Arnaud Auber; William W. L. Cheung; Christopher Costello; Francesco Ferretti; Alan M. Friedlander; Steven D. Gaines; Cristina Garilao; Whitney Goodell; Benjamin S. Halpern; Audra Hinson; Kristin Kaschner; Kathleen Kesner‐Reyes; Fabien Leprieur; Jennifer McGowan; Lance Morgan; David Mouillot; Juliano Palacios‐Abrantes; Hugh P. Possingham; Kristin D. Rechberger; Boris Worm; Jane Lubchenco

Nature · 2021

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Summary

This analysis by leading marine conservation and fisheries scientists, published in Nature, examines how strategically designed marine protected areas can simultaneously advance ocean biodiversity conservation, sustain global seafood supplies, and enhance climate change mitigation. The authors present modelled scenarios for expanded MPA networks and argue that properly implemented protection need not compromise food security. The work synthesises evidence on the interconnections between marine ecosystem health, fisheries productivity, and carbon cycling to inform global ocean governance.

Regional applicability

The findings are relevant to UK marine policy, particularly the designation of marine conservation zones and the post-Brexit revision of fisheries management within UK waters. UK policymakers and marine resource managers can draw on the framework linking conservation targets to food security and climate objectives to strengthen environmental commitments whilst managing fishing interests.

Key measures

Biodiversity representation, food production capacity, blue carbon sequestration, geographic distribution of MPAs, socioeconomic impacts on fishing communities

Outcomes reported

The study modelled the potential impact of expanding marine protected areas (MPAs) on global ocean biodiversity, fisheries productivity, and climate change mitigation. It quantified trade-offs and synergies between conservation, food security and carbon storage objectives across ocean regions.

Theme
Policy, governance & rights
Subject
Aquaculture & fisheries
Study type
Research
Study design
Policy report
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Aquaculture
DOI
10.1038/s41586-021-03371-z
Catalogue ID
NRmo9rin9c-0n9

Topic tags

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