The evolution of dispersal (original) (raw)

Dispersal in Plants, 2008

Abstract

This chapter provides both a flavour of, and some insight into, the evolutionary forces at work shaping the amazing diversity of dispersal strategies seen in plants. For all plants, there is a tension between the advantages of a sedentary or short-distance dispersal strategy and those of a more dispersive one. The selective forces that act to increase or decrease evolved dispersal rates or distances are reviewed. The dispersal strategy adopted by a plant species is clearly shaped by a long history of interacting and competing forces. The relative strengths of these forces will inevitably wax and wane, and the interactions between them shift to change the overall selective pressure to disperse.

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