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Considering multiple-species attributes to understand better the effects of successive changes in protection status on a coral reef fish assemblage ArchiMer
Preuss, Bastien; Pelletier, Dominique; Wantiez, Laurent; Letourneur, Yves; Sarramegna, Sebastien; Kulbicki, Michel; Galzin, Rene; Ferraris, Jocelyne.
The response of fish assemblages to changes in protection status is a major issue for both biodiversity conservation and fishery management. In New Caledonia, the Abore reef marine reserve harbours more than 500 fish species, and has been subjected to changes in protection status since 1988. The present study investigates the impact of these changes on a wide subset of species (213), based on underwater visual counts collected before the opening and after the closure to fishing of this marine protected area (MPA). We analysed the spatial and temporal variability in fish assemblage attributable to protection status, explicitly considering habitat. To understand the successive responses of fish assemblage to fishing and protection, the assessment models...
Tipo: Text Palavras-chave: MPA effect; Fishing effect; Fish assemblage; Coral reef ecosystem; Assessment model.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6130.pdf
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Decadal increase in the number of recreational users is concentrated in no-take marine reserves ArchiMer
Gonson, Charles; Pelletier, Dominique; Gamp, Elodie; Preuss, Bastien; Jollit, Isabelle; Ferraris, Jocelyne.
In coastal areas, demographic increase is likely to result in greater numbers of recreational users, with potential consequences on marine biodiversity. These effects may also occur within Marine Protected Areas (MPAs), which are popular with recreational users. Our analysis builds on data collected over a ten-year period during three year-round surveys to appraise changes in recreational boating activities in coral ecosystems. Results show that the number of boaters has greatly increased, particularly so within MPAs during weekends and the warm season, when peaks in boat numbers have become more frequent. We also observed that the number of anchored boats has increased over the period. These changes may be resulting in biophysical impacts that could be...
Tipo: Text Palavras-chave: Recreational uses; MPA; Coral reef ecosystem; Spatio-temporal pattern; New Caledonia; Mooring practices.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00327/43776/44014.pdf
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