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Global conservation outcomes depend on marine protected areas with five key features
Edgar, G.J.; Stuart-Smith, R.D.; Willis, T.J.; Kininmonth, S.; Baker, S.C.; Banks, S.; Barrett, N.S.; Becerro, M.A.; Bernard, A.T.F.; Berkhout, J.; Buxton, C.D.; Campbell, S.J.; Cooper, A.T.; Davey, M.; Edgar, S.C.; Försterra, G.; Galván, D.E.; Irigoyen, A.J.; Kushner, D.J.; Moura, R.; Parnell, P.E.; Shears, N.T.; Soler, G.; Strain, E.M.A.; Thomson, R.J. (2014). Global conservation outcomes depend on marine protected areas with five key features. Nature (Lond.) 506(7487): 216-220. https://dx.doi.org/10.1038/nature13022
In: Nature: International Weekly Journal of Science. Nature Publishing Group: London. ISSN 0028-0836; e-ISSN 1476-4687, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Environmental Management
    Environmental Management > Environmental Resources Management
    Environmental Managers & Monitoring
    Exploitable Scientific Result
    Fisheries > Fisheries Management
    Policy Makers / Decision Makers
    Scientific Community
    Scientific Publication
    Marien/Kust
Project Top | Auteurs 
  • Association of European marine biological laboratories
Auteurs  Top 
  • Edgar, G.J.
  • Stuart-Smith, R.D.
  • Willis, T.J.
  • Kininmonth, S.
  • Baker, S.C.
  • Banks, S.
  • Barrett, N.S.
  • Becerro, M.A.
  • Bernard, A.T.F.
  • Berkhout, J.
  • Buxton, C.D.
  • Campbell, S.J.
  • Cooper, A.T.
  • Davey, M.
  • Edgar, S.C.
  • Försterra, G.
  • Galván, D.E.
  • Irigoyen, A.J.
  • Kushner, D.J.
  • Moura, R.
  • Parnell, P.E.
  • Shears, N.T.
  • Soler, G.
  • Strain, E.M.A.
  • Thomson, R.J.
Abstract
    In line with global targets agreed under the Convention on Biological Diversity, the number of marine protected areas (MPAs) is increasing rapidly, yet socio-economic benefits generated by MPAs remain difficult to predict and under debate. MPAs often fail to reach their full potential as a consequence of factors such as illegal harvesting, regulations that legally allow detrimental harvesting, or emigration of animals outside boundaries because of continuous habitat or inadequate size of reserve. Here we show that the conservation benefits of 87 MPAs investigated worldwide increase exponentially with the accumulation of five key features: no take, well enforced, old (> 10 years), large (> 100 km2), and isolated by deep water or sand. Using effective MPAs with four or five key features as an unfished standard, comparisons of underwater survey data from effective MPAs with predictions based on survey data from fished coasts indicate that total fish biomass has declined about two-thirds from historical baselines as a result of fishing. Effective MPAs also had twice as many large (> 250 mm total length) fish species per transect, five times more large fish biomass, and fourteen times more shark biomass than fished areas. Most (59%) of the MPAs studied had only one or two key features and were not ecologically distinguishable from fished sites. Our results show that global conservation targets based on area alone will not optimize protection of marine biodiversity. More emphasis is needed on better MPA design, durable management and compliance to ensure that MPAs achieve their desired conservation value.
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