Marine reserves lag behind wilderness in the conservation of key functional roles

Stéphanie D'Agata*, David Mouillot, Laurent Wantiez, Alan M. Friedlander, Michel Kulbicki, Laurent Vigliola

*Corresponding author for this work

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Abstract

Although marine reserves represent one of the most effective management responses to human impacts, their capacity to sustain the same diversity of species, functional roles and biomass of reef fishes as wilderness areas remains questionable, in particular in regions with deep and long-lasting human footprints. Here we show that fish functional diversity and biomass of top predators are significantly higher on coral reefs located at more than 20 h travel time from the main market compared with even the oldest (38 years old), largest (17,500 ha) and most restrictive (no entry) marine reserve in New Caledonia (South-Western Pacific). We further demonstrate that wilderness areas support unique ecological values with no equivalency as one gets closer to humans, even in large and well-managed marine reserves. Wilderness areas may therefore serve as benchmarks for management effectiveness and act as the last refuges for the most vulnerable functional roles.

Original languageEnglish
Article number12000
Pages (from-to)1-10
Number of pages10
JournalNature Communications
Volume7
DOIs
Publication statusPublished - 29 Jun 2016
Externally publishedYes

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D'Agata, S., Mouillot, D., Wantiez, L., Friedlander, A. M., Kulbicki, M., & Vigliola, L. (2016). Marine reserves lag behind wilderness in the conservation of key functional roles. Nature Communications, 7, 1-10. [12000]. https://doi.org/10.1038/ncomms12000