The importance of growing up: juvenile environment influences dispersal of individuals and their neighbours

Dispersal is a key ecological process that is strongly influenced by both phenotype and environment. Here, we show that juvenile environment influences dispersal not only by shaping individual phenotypes, but also by changing the phenotypes of neighbouring conspecifics, which influence how individua...

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Veröffentlicht in:Ecology letters 2019-01, Vol.22 (1), p.45-55
Hauptverfasser: Endriss, Stacy B., Vahsen, Megan L., Bitume, Ellyn V., Grey Monroe, J., Turner, Kathryn G., Norton, Andrew P., Hufbauer, Ruth A., Sih, Andrew
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container_end_page 55
container_issue 1
container_start_page 45
container_title Ecology letters
container_volume 22
creator Endriss, Stacy B.
Vahsen, Megan L.
Bitume, Ellyn V.
Grey Monroe, J.
Turner, Kathryn G.
Norton, Andrew P.
Hufbauer, Ruth A.
Sih, Andrew
description Dispersal is a key ecological process that is strongly influenced by both phenotype and environment. Here, we show that juvenile environment influences dispersal not only by shaping individual phenotypes, but also by changing the phenotypes of neighbouring conspecifics, which influence how individuals disperse. We used a model system (Tribolium castaneum, red flour beetles) to test how the past environment of dispersing individuals and their neighbours influences how they disperse in their current environment. We found that individuals dispersed especially far when exposed to a poor environment as adults if their phenotype, or even one‐third of their neighbours’ phenotypes, were shaped by a poor environment as juveniles. Juvenile environment therefore shapes dispersal both directly, by influencing phenotype, as well as indirectly, by influencing the external social environment. Thus, the juvenile environment of even a minority of individuals in a group can influence the dispersal of the entire group.
doi_str_mv 10.1111/ele.13166
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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Adults
Animals
Beetles
colonisation
condition dependence
Conspecifics
density‐dependent dispersal
Dispersal
Dispersion
Ecological effects
Environment
Genotype & phenotype
informed dispersal
juvenile environment
Juveniles
neighbours
Phenotype
phenotype dependence
Phenotypes
red flour beetles
Social environment
Tribolium
Tribolium castaneum
title The importance of growing up: juvenile environment influences dispersal of individuals and their neighbours
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