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| Mouillot, David; Albouy, Camille; Guilhaumon, Francois; Lasram, Frida Ben Rais; Coll, Marta; Devictor, Vincent; Meynard, Christine N.; Pauly, Daniel; Tomasini, Jean-antoine; Troussellier, Marc; Velez, Laure; Watson, Reg; Douzery, Emmanuel J. P.; Mouquet, Nicolas. |
| The Mediterranean Sea (0.82% of the global oceanic surface) holds 4%-18% of all known marine species (similar to 17,000), with a high proportion of endemism [1, 2]. This exceptional biodiversity is under severe threats [1] but benefits from a system of 100 marine protected areas (MPAs). Surprisingly, the spatial congruence of fish biodiversity hot spots with this MPA system and the areas of high fishing pressure has not been assessed. Moreover, evolutionary and functional breadth of species assemblages [3] has been largely overlooked in marine systems. Here we adopted a multifaceted approach to biodiversity by considering the species richness of total, endemic, and threatened coastal fish assemblages as well as their functional and phylogenetic diversity.... |
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| Ano: 2011 |
URL: http://archimer.ifremer.fr/doc/00040/15109/12606.pdf |
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| Henckel, Laura; Meynard, Christine N.; Devictor, Vincent; Mouquet, Nicolas; Bretagnolle, Vincent. |
| The relative contribution of ecological processes in shaping metacommunity dynamics in heavily managed landscapes is still unclear. Here we used two complementary approaches to disentangle the role of environment and spatial effect in farmland bird community assembly in an intensive agro-ecosystem. We hypothesized that the interaction between habitat patches and dispersal should play a major role in such unstable and unpredictable environments. First, we used a metacommunity patterns analysis to characterize species co-occurrences and identify the main drivers of community assembly; secondly, variation partitioning was used to disentangle environmental and geographical factors (such as dispersal limitation) on community structure and composition. We used... |
| Tipo: Text |
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| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00485/59656/62690.pdf |
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