Kingma, Sjouke A.; Santema, Peter; Taborsky, Michael; Komdeur, Jan (2014). Group augmentation and the evolution of cooperation. Trends in ecology & evolution, 29(8), pp. 476-484. Elsevier Current Trends 10.1016/j.tree.2014.05.013
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The group augmentation (GA) hypothesis states that if helpers in cooperatively breeding animals raise the reproductive success of the group, the benefits of living in a resulting larger group – improved survival or future reproductive success – favour the evolution of seemingly altruistic helping behaviour. The applicability of the GA hypothesis remains debatable, however, partly owing to the lack of a clear conceptual framework and a shortage of appropriate empirical studies. We conceptualise here the GA hypothesis and illustrate that benefits of GA can accrue via different evolutionary mechanisms that relate closely to well-supported general concepts of group living and cooperation. These benefits reflect several plausible explanations for the evolutionary maintenance of helping behaviour in cooperatively breeding animals.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE) > Behavioural Ecology |
UniBE Contributor: |
Taborsky, Michael |
Subjects: |
500 Science > 590 Animals (Zoology) |
ISSN: |
0169-5347 |
Publisher: |
Elsevier Current Trends |
Language: |
English |
Submitter: |
Karin Schneeberger |
Date Deposited: |
14 Feb 2017 10:32 |
Last Modified: |
05 Dec 2022 15:00 |
Publisher DOI: |
10.1016/j.tree.2014.05.013 |
PubMed ID: |
24996259 |
BORIS DOI: |
10.7892/boris.91490 |
URI: |
https://boris.unibe.ch/id/eprint/91490 |
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