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Personality traits and dispersal tendency in the invasive mosquitofish (Gambusia affinis)
by
Fogarty, Sean
, Weinersmith, Kelly
, Cote, Julien
, Brodin, Tomas
, Sih, Andrew
in
Animal Migration - physiology
/ Animals
/ Behavior, Animal
/ Biodiversity
/ Body size
/ Colonization Success
/ Culicidae
/ Cyprinodontiformes - physiology
/ Dispersal
/ Dispersal behavior
/ Ecological competition
/ Ecological invasion
/ Ecology, environment
/ Fish
/ Gambusia affinis
/ Invasion Dynamic
/ Invasive species
/ Life Sciences
/ Personality Traits
/ Population Density
/ Population Dynamics
/ Populations and Evolution
/ Principal components analysis
/ Sociability
/ Social Behavior
/ Social Tendency
/ Streams
2010
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Personality traits and dispersal tendency in the invasive mosquitofish (Gambusia affinis)
by
Fogarty, Sean
, Weinersmith, Kelly
, Cote, Julien
, Brodin, Tomas
, Sih, Andrew
in
Animal Migration - physiology
/ Animals
/ Behavior, Animal
/ Biodiversity
/ Body size
/ Colonization Success
/ Culicidae
/ Cyprinodontiformes - physiology
/ Dispersal
/ Dispersal behavior
/ Ecological competition
/ Ecological invasion
/ Ecology, environment
/ Fish
/ Gambusia affinis
/ Invasion Dynamic
/ Invasive species
/ Life Sciences
/ Personality Traits
/ Population Density
/ Population Dynamics
/ Populations and Evolution
/ Principal components analysis
/ Sociability
/ Social Behavior
/ Social Tendency
/ Streams
2010
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Personality traits and dispersal tendency in the invasive mosquitofish (Gambusia affinis)
by
Fogarty, Sean
, Weinersmith, Kelly
, Cote, Julien
, Brodin, Tomas
, Sih, Andrew
in
Animal Migration - physiology
/ Animals
/ Behavior, Animal
/ Biodiversity
/ Body size
/ Colonization Success
/ Culicidae
/ Cyprinodontiformes - physiology
/ Dispersal
/ Dispersal behavior
/ Ecological competition
/ Ecological invasion
/ Ecology, environment
/ Fish
/ Gambusia affinis
/ Invasion Dynamic
/ Invasive species
/ Life Sciences
/ Personality Traits
/ Population Density
/ Population Dynamics
/ Populations and Evolution
/ Principal components analysis
/ Sociability
/ Social Behavior
/ Social Tendency
/ Streams
2010
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Personality traits and dispersal tendency in the invasive mosquitofish (Gambusia affinis)
Journal Article
Personality traits and dispersal tendency in the invasive mosquitofish (Gambusia affinis)
2010
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Overview
Ecological invasions, where non-native species spread to new areas, grow to high densities and have large, negative impacts on ecological communities, are a major worldwide problem. Recent studies suggest that one of the key mechanisms influencing invasion dynamics is personality-dependent dispersal: the tendency for dispersers to have a different personality type than the average from a source population. We examined this possibility in the invasive mosquitofish (Gambusia affinis). We measured individual tendencies to disperse in experimental streams and several personality traits: sociability, boldness, activity and exploration tendency before and three weeks after dispersal. We found that mosquitofish display consistent behavioural tendencies over time, and significant positive correlations between all personality traits. Most notably, sociability was an important indicator of dispersal distance, with more asocial individuals dispersing further, suggesting personality-biased dispersal on an invasion front. These results could have important ecological implications, as invasion by a biased subset of individuals is likely to have different ecological impacts than invasion by a random group of colonists.
Publisher
The Royal Society,Royal Society, The
Subject
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