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Título: | Competition-colonization dynamics in experimental bacterial metacommunities |
Autor: | Livingston, George; Matias, Miguel G. ; Calcagno, Vincent; Barbera, Claire; Combe, Marine; Leibold, Mathew A; Mouquet, Nicolas | Fecha de publicación: | 2012 | Resumen: | One of the simplest hypotheses used to explain species coexistence is the competition-colonization trade-off, that is, species can stably coexist in a landscape if they show a trade-off between competitive and colonization abilities. Despite extensive theory, the dynamics predicted to result from competition-colonization trade-offs are largely untested. Landscape change, such as habitat destruction, is thought to greatly influence coexistence under competition-colonization dynamics, although there is no formal test of this prediction. Here we present the first illustration of competition-colonization dynamics that fully transposes theory into a controlled experimental metacommunity of two Pseudomonas bacterial strains. The competition-colonization dynamics were achieved by directly manipulating trade-off strength and colonization rates to generate the full range of coexistence conditions and responses to habitat destruction. Our study successfully generates competition-colonization dynamics matching theoretical predictions, and our results further reveal a negative relationship between diversity and productivity when scaling up to entire metacommunities. | URI: | http://hdl.handle.net/10261/343977 | DOI: | 10.1038/ncomms2239 |
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Livingston et al 2012_Competition-colonization dynamics in experimental bacterial metacommunities .pdf | Main article | 2,15 MB | Adobe PDF | Visualizar/Abrir |
Livingston et al 2012_Competition-colonization dynamics in experimental bacterial metacommunities_SUPPLEMENTARY INFORMATION.pdf | Supplementary Information | 459,1 kB | Adobe PDF | Visualizar/Abrir |
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