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Linking social and ecological systems to sustain coral reef fisheries
Cinner, J. E.; McClanahan, T. R.; Daw, T. M.; Graham, N. A. J.; Maina, J.; Wilson, S. K.; Hughes, T. P. (2009). Linking social and ecological systems to sustain coral reef fisheries. Curr. Biol. 19(3): 206-212. dx.doi.org/10.1016/j.cub.2008.11.055
In: Current Biology. Cell Press: London. ISSN 0960-9822, more
Peer reviewed article  

Available in Authors 

Keywords
Author keywords
    coral reef degradation

Authors  Top 
  • Cinner, J. E.
  • McClanahan, T. R.
  • Daw, T. M.
  • Graham, N. A. J.
  • Maina, J.
  • Wilson, S. K.
  • Hughes, T. P.

Abstract
    The ecosystem goods and services provided by coral reefs are critical to the social and economic welfare of hundreds of millions of people, overwhelmingly in developing countries [1]. Widespread reef degradation is severely eroding these goods and services, but the socioeconomic factors shaping the ways that societies use coral reefs are poorly understood [2]. We examine relationships between human population density, a multidimensional index of socioeconomic development, reef complexity, and the condition of coral reef fish populations in five countries across the Indian Ocean. In fished sites, fish biomass was negatively related to human population density, but it was best explained by reef complexity and a U-shaped relationship with socioeconomic development. The biomass of reef fishes was four times lower at locations with intermediate levels of economic development than at locations with both low and high development. In contrast, average biomass inside fishery closures was three times higher than in fished sites and was not associated with socioeconomic development. Sustaining coral reef fisheries requires an integrated approach that uses tools such as protected areas to quickly build reef resources while also building capacities and capital in societies over longer time frames to address the complex underlying causes of reef degradation.

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