NDLI: Latitudinal variation in behaviors linked to risk tolerance is driven by nest-site competition and spatial distribution in the ant Temnothorax rugatulus

Content Provider	Springer Nature Link
Author	Bengston, S. E. Dornhaus, A.
Copyright Year	2015
Abstract	Geographic range has long been noted to be associated with many organismic and ecological traits such as body size and species richness. However, much less is known about whether and how ecological variation across latitudinal gradients reflects behavioral variation. Ant colonies may also show behavioral variation, and Temnothorax rugatulus show a colony-level behavioral syndrome that seems to reflect risk tolerance across their North American range. While it is presumed that this pattern is the result of adaptation to local environmental conditions, which ecological factors are driving this variation are unknown. Here, we test if colony risk tolerance is affected by competition, predation, resource availability, or environmental stress at each site. Our results show that increased competition, specifically for nest sites, as well as increased spatial clustering of colonies predicts higher risk tolerance. Additionally, the spatial clustering of colonies influences the structure of the risk-taking syndrome, i.e., which colony-level behaviors are correlated and how strongly. This emphasizes the need for understanding large-scale geographic variation in behavior, as it may explain how ecological factors drive the evolution and maintenance of intraspecific behavioral variation across populations.
Starting Page	1265
Ending Page	1274
Page Count	10
File Format	PDF
ISSN	03405443
Journal	Behavioral Ecology and Sociobiology
Volume Number	69
Issue Number	8
e-ISSN	14320762
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-05-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aggression Foraging behavior Environmental effects Local adaptation Behavioral syndrome Social insects Behavioral Sciences Zoology Animal Ecology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Data from: Life-history and behavioral trait covariation across 3 years in Temnothorax ants (Dataset)

Morphological differences between extranidal and intranidal workers in the ant Temnothorax rugatulus, but no effect of body size on foraging distance

Data from: Sources of intraspecific variation in the collective tempo and synchrony of ant societies (Dataset)

Behavioral mechanisms of collective nest-site choice by the ant Temnothorax curvispinosus

Data from: Task-switching is associated with temporal delays in Temnothorax rugatulus ants (Dataset)

Colony size does not predict foraging distance in the ant Temnothorax rugatulus: a puzzle for standard scaling models

Foraging behavior of tagged rock ants (Temnothorax rugatulus) (Dataset)

Temnothorax rugatulus ants do not change their nest walls in response to environmental humidity

Division of labour promotes the spread of information in colony emigrations by the ant Temnothorax rugatulus

Latitudinal variation in behaviors linked to risk tolerance is driven by nest-site competition and spatial distribution in the ant Temnothorax rugatulus

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Data from: Life-history and behavioral trait covariation across 3 years in Temnothorax ants (Dataset)

Morphological differences between extranidal and intranidal workers in the ant Temnothorax rugatulus, but no effect of body size on foraging distance

Data from: Sources of intraspecific variation in the collective tempo and synchrony of ant societies (Dataset)

Behavioral mechanisms of collective nest-site choice by the ant Temnothorax curvispinosus

Data from: Task-switching is associated with temporal delays in Temnothorax rugatulus ants (Dataset)

Colony size does not predict foraging distance in the ant Temnothorax rugatulus: a puzzle for standard scaling models

Foraging behavior of tagged rock ants (Temnothorax rugatulus) (Dataset)

Temnothorax rugatulus ants do not change their nest walls in response to environmental humidity

Division of labour promotes the spread of information in colony emigrations by the ant Temnothorax rugatulus

Latitudinal variation in behaviors linked to risk tolerance is driven by nest-site competition and spatial distribution in the ant Temnothorax rugatulus