ArticleProceedings of the National Academy of Sciences of the United States of America2024
A diverse portfolio of marine protected areas can better advance global conservation and equity.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Optimising Connectivity in Deep-Sea MPA Networks forEcology and evolution · 2026Article
- Article
- Land Use and Land Cover Stability Across Protection Regimes in a Tropical River Basin.Environmental management · 2026Article
- Evaluating protected areas' coverage of threats to terrestrial biodiversity.Conservation biology : the journal of the Society for Conservation Biology · 2025Article
- Marine spatial planning and marine protected area planning are not the same and both are key for sustainability in a changing ocean.npj ocean sustainability · 2025Review
- Article
Corrections and comments
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Authors and funding
19 authors.
Funding
Abstract
Marine protected areas (MPAs) are widely used for ocean conservation, yet the relative impacts of various types of MPAs are poorly understood. We estimated impacts on fish biomass from no-take and multiple-use (fished) MPAs, employing a rigorous matched counterfactual design with a global dataset of >14,000 surveys in and around 216 MPAs. Both no-take and multiple-use MPAs generated positive conservation outcomes relative to no protection (58.2% and 12.6% fish biomass increases, respectively), with smaller estimated differences between the two MPA types when controlling for additional confounding factors (8.3% increase). Relative performance depended on context and management: no-take MPAs performed better in areas of high human pressure but similar to multiple-use in remote locations. Multiple-use MPA performance was low in high-pressure areas but improved significantly with better management, producing similar outcomes to no-take MPAs when adequately staffed and appropriate use regulations were applied. For priority conservation areas where no-take restrictions are not possible or ethical, our findings show that a portfolio of well-designed and well-managed multiple-use MPAs represents a viable and potentially equitable pathway to advance local and global conservation.
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Registered trials
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