Variation in nest relocation of harvester ants is affected by population density and food abundance. / Pinter-Wollman, Noa; Brown, Mark.

In: Behavioral Ecology, Vol. 26, No. 6, 01.11.2015, p. 1569-1576 .

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Variation in nest relocation of harvester ants is affected by population density and food abundance. / Pinter-Wollman, Noa; Brown, Mark.

In: Behavioral Ecology, Vol. 26, No. 6, 01.11.2015, p. 1569-1576 .

Research output: Contribution to journalArticlepeer-review

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Pinter-Wollman, Noa ; Brown, Mark. / Variation in nest relocation of harvester ants is affected by population density and food abundance. In: Behavioral Ecology. 2015 ; Vol. 26, No. 6. pp. 1569-1576 .

BibTeX

@article{b31382288d8b498294476ed7356ae9a3,
title = "Variation in nest relocation of harvester ants is affected by population density and food abundance",
abstract = "Movement patterns of animals throughout their habitat depend on the associated costs and benefits, which vary among species and potentially among populations. Here, we compare the nest relocation patterns of seed-harvesting ant colonies between 2 populations in northern and southern California, and over time. Understanding the causes and consequences of nest relocation by harvester ants is particularly important because these ants shape the ecological communities in which they reside. We show that nest relocation is both variable between the 2 populations and consistent within a population over more than a decade. Relocation frequency and distance was greater at the site with lower population density, shorter period of vegetation growth, and slightly higher humidity. Thus, when the benefits associated with finding new resources through nest relocation are high and the costs of desiccation or encountering other colonies during relocation are low, nest relocation becomes a preferable behavioral strategy. These findings suggest that populations adjust their movement patterns based on the ecological conditions they face. Consequently, our findings may explain site-specific ecological dynamics that emerge from the behavioral rules of an ecosystem engineer.",
author = "Noa Pinter-Wollman and Mark Brown",
year = "2015",
month = nov,
day = "1",
doi = "10.1093/beheco/arv108",
language = "English",
volume = "26",
pages = "1569--1576 ",
journal = "Behavioral Ecology",
issn = "1045-2249",
publisher = "OXFORD UNIV PRESS INC",
number = "6",

}

RIS

TY - JOUR

T1 - Variation in nest relocation of harvester ants is affected by population density and food abundance

AU - Pinter-Wollman, Noa

AU - Brown, Mark

PY - 2015/11/1

Y1 - 2015/11/1

N2 - Movement patterns of animals throughout their habitat depend on the associated costs and benefits, which vary among species and potentially among populations. Here, we compare the nest relocation patterns of seed-harvesting ant colonies between 2 populations in northern and southern California, and over time. Understanding the causes and consequences of nest relocation by harvester ants is particularly important because these ants shape the ecological communities in which they reside. We show that nest relocation is both variable between the 2 populations and consistent within a population over more than a decade. Relocation frequency and distance was greater at the site with lower population density, shorter period of vegetation growth, and slightly higher humidity. Thus, when the benefits associated with finding new resources through nest relocation are high and the costs of desiccation or encountering other colonies during relocation are low, nest relocation becomes a preferable behavioral strategy. These findings suggest that populations adjust their movement patterns based on the ecological conditions they face. Consequently, our findings may explain site-specific ecological dynamics that emerge from the behavioral rules of an ecosystem engineer.

AB - Movement patterns of animals throughout their habitat depend on the associated costs and benefits, which vary among species and potentially among populations. Here, we compare the nest relocation patterns of seed-harvesting ant colonies between 2 populations in northern and southern California, and over time. Understanding the causes and consequences of nest relocation by harvester ants is particularly important because these ants shape the ecological communities in which they reside. We show that nest relocation is both variable between the 2 populations and consistent within a population over more than a decade. Relocation frequency and distance was greater at the site with lower population density, shorter period of vegetation growth, and slightly higher humidity. Thus, when the benefits associated with finding new resources through nest relocation are high and the costs of desiccation or encountering other colonies during relocation are low, nest relocation becomes a preferable behavioral strategy. These findings suggest that populations adjust their movement patterns based on the ecological conditions they face. Consequently, our findings may explain site-specific ecological dynamics that emerge from the behavioral rules of an ecosystem engineer.

U2 - 10.1093/beheco/arv108

DO - 10.1093/beheco/arv108

M3 - Article

VL - 26

SP - 1569

EP - 1576

JO - Behavioral Ecology

JF - Behavioral Ecology

SN - 1045-2249

IS - 6

ER -