Kin competition accelerates experimental range expansion in an arthropod herbivore.

Abstract:

:With ongoing global change, life is continuously forced to move to novel areas, which leads to dynamically changing species ranges. As dispersal is central to range dynamics, factors promoting fast and distant dispersal are key to understanding and predicting species ranges. During range expansions, genetic variation is depleted at the expanding front. Such conditions should reduce evolutionary potential, while increasing kin competition. Organisms able to recognise relatives may be able to assess increased levels of relatedness at expanding range margins and to increase their dispersal in a plastic manner. Using individual-based simulations and experimental range expansions of a spider mite, we demonstrate that plastic responses to kin structure can be at least as important as evolution in driving range expansion speed. Because recognition of kin or kind is increasingly documented across the tree of life, we anticipate it to be a highly important but neglected driver of range expansions.

journal_name

Ecol Lett

journal_title

Ecology letters

authors

Van Petegem K,Moerman F,Dahirel M,Fronhofer EA,Vandegehuchte ML,Van Leeuwen T,Wybouw N,Stoks R,Bonte D

doi

10.1111/ele.12887

subject

Has Abstract

pub_date

2018-02-01 00:00:00

pages

225-234

issue

2

eissn

1461-023X

issn

1461-0248

journal_volume

21

pub_type

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