Download - ABS_2012 Bartomeus
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Exploring or Avoiding Novel Food Resources? The Novelty Conflict in an Invasive Bird
Ignasi Bartomeus, Daniel Sol, Andrea Griffin.
Ignasi [email protected]
@ ibartomeus
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Behavioral innovation
Invasion
Sol et al. 2005 PNAS
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Behavioral innovation
Invasion
Sol et al. 2005 PNAS
Habitat
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Common mynaAcridotheres tristis
Sol, Bartomeus & Griffin (Oecologia) 2011
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Common mynaAcridotheres tristis
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Common mynaAcridotheres tristis
I need food
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Common mynaAcridotheres tristis
Avoid risksI need food
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Exploration-Avoidance conflict
Food opportunities
Pred
atio
n ris
k
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Exploration-Avoidance conflict
Food opportunities
Pred
atio
n ris
k
Low NeophobiaHigh Exploration
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Exploration-Avoidance conflict
Food opportunities
Pred
atio
n ris
k
High NeophobiaLow Exploration
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Exploration-Avoidance conflict
Food opportunities
Pred
atio
n ris
k
Urban areas
Sub-urban areas
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We tested: Exploration-Avoidance conflict
* Neophobia* Motor innovation(motivation, sex, morphology)
On: *Urban populations*Sub-urban populations
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne
Experiments:
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n = 36
Water
Cage
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Water
Cage
Innovation apparatous
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Urban
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne
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Why?
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne
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Modulate neophobia according to the costs
Sol, Griffin, Bartomeus, Boyce (2011) PlosOne
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Sol, Bartomeus & Griffin (Oecologia) 2011
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Sol, Bartomeus & Griffin (Oecologia) 2011
Where and doing what?
1) Habitat
2) Innovation
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Exploration/Avoidance
Behavioral innovation
Invasion
Habitat