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Author (up) Morel-Journel, T.; Piponiot, C.; Vercken, E.; Mailleret, L. url  doi
  Title Evidence for an optimal level of connectivity for establishment and colonization Type Journal Article
  Year 2016 Publication Biology Letters Abbreviated Journal Biol Lett  
  Volume 12 Issue 11 Pages 20160704  
  Abstract Dispersal is usually associated with the spread of invasive species, but it also has two opposing effects, one decreasing and the other increasing the probability of establishment. Indeed, dispersal both slows population growth at the site of introduction and increases the likelihood of surrounding habitat being colonized. The connectivity of the introduction site is likely to affect dispersal, and, thus, establishment, according to the dispersal behaviour of individuals. Using individual-based models and microcosm experiments on minute wasps, we demonstrated the existence of a hump-shaped relationship between connectivity and establishment in situations in which individual dispersal resembled a diffusion process. These results suggest that there is an optimal level of connectivity for the establishment of introduced populations locally at the site of introduction, and regionally over the whole landscape.  
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  Call Number EcoFoG @ webmaster @ Serial 722  
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