Evaluating the potential for transboundary management of marine biodiversity in the Western Indian Ocean

Noam Levin*, Maria Beger, Joseph Maina, Tim McClanahan, Salit Kark

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


The economic and socio-political interactions between countries can have major impacts on transboundary conservation decisions and outcomes. Here, we examined for 14 Western Indian Ocean (WIO) continental and island nations the extent of their marine coral reef species, fisheries and marine protected areas (MPAs), in the context of their geopolitical and socio-economic connections. We also examined the role of external countries and organisations in collaboration within the region. We found large variation between the different countries in their protected area size, and management, which result from different interests in establishing the MPAs, ranging from fisheries management, biodiversity conservation to asserting sovereignty claims. Seventy-four per cent of the 154 MPAs in the region belong to island nations; however, the largest MPAs in the WIO were established by European powers, and include Mayotte and Glorioso Islands (France) and Chagos (UK). While the majority of MPAs are managed by individual countries, between-country collaboration within and outside the region is key if the aim is to achieve effective conservation of ecosystems and species across the island and mainland nations in the region. This may be advanced by creating transboundary MPAs and by regional conservation investment by external powers that benefit from the region’s resources.

Original languageAmerican English
Pages (from-to)62-85
Number of pages24
JournalAustralasian Journal of Environmental Management
Issue number1
StatePublished - 2 Jan 2018

Bibliographical note

Publisher Copyright:
© 2018 Environment Institute of Australia and New Zealand Inc.


  • Western Indian Ocean
  • coral reefs
  • cross-boundary conservation
  • international trade
  • island nations


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