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Título : Asymmetric Coevolutionary Networks Facilitate Biodiversity Maintenance
Autor : Bascompte, Jordi, Jordano, Pedro, Olesen, Niels J.
Fecha de publicación : Apr-2006
Editor: American Association for the Advancement of Science
Resumen: The mutualistic interactions between plants and their pollinators or seed dispersers have played a major role in the maintenance of Earth’s biodiversity. To investigate how coevolutionary interactions are shaped within species-rich communities, we characterized the architecture of an array of quantitative, mutualistic networks spanning a broad geographic range. These coevolutionary networks are highly asymmetric, so that if a plant species depends strongly on an animal species, the animal depends weakly on the plant. By using a simple dynamical model, we showed that asymmetries inherent in coevolutionary networks may enhance long-term coexistence and facilitate biodiversity maintenance
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DOI: 10.1126/science.1123412
Citación : Science 321(5772) : 431-433 (2006)
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