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Ecology And Evolution Of Dispersal In Metapopulations, Jingjing Xu
Ecology And Evolution Of Dispersal In Metapopulations, Jingjing Xu
Electronic Thesis and Dissertation Repository
Dispersal plays a key role in the persistence of metapopulations, as the balance between local extinction and colonization is affected by dispersal. Herein, I present three pieces of work related to dispersal. The first two are devoted to the ecological aspect of delayed dispersal in metapopulations. The first one focuses on how dispersal may disrupt the social structure on patches from which dispersers depart. Examinations of bifurcation diagrams of the dynamical system show a metapopulation will, in general, be either in the state of global extinction or persistence, and dispersal only has a limited effect on metapopulation persistence. The second …