This chapter explores the role that dispersal behaviour and dispersal decisions can play under rapidly changing environmental conditions. It discusses the critical role of dispersal in allowing individuals to exploit new opportunities and to counteract the adverse effects of habit alterations. It emphasizes cases where dispersal is a plastic and condition-dependent behaviour, and looks into the fundamental role of plasticity in dispersal ecology under changing environmental regimes. It discusses the effects that changes in the landscape will have on dispersal dynamics such as invasion and colonization of new habitats and evolutionary traps, as well as the consequences that dispersal can have for populations impacted by anthropogenic modifications of the environment.
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