Journal
BIOLOGICAL REVIEWS
Volume 96, Issue 5, Pages 2355-2372Publisher
WILEY
DOI: 10.1111/brv.12757
Keywords
cooperation; social network; assortment; social structure; reciprocity; mutualism
Categories
Funding
- BBSRC [BB/S009752/1]
- NERC [NE/S010335/1]
- BBSRC [BB/S009752/1] Funding Source: UKRI
- NERC [NE/S010335/1] Funding Source: UKRI
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Understanding why individuals cooperate with genetically unrelated others is a major focus in biology. The social network approach is beneficial in identifying factors influencing cooperation, testing various routes to cooperation, and uncovering evolutionary and ecological pressures leading to differences in cooperation in natural populations.
Understanding why individuals carry out behaviours that benefit others, especially genetically unrelated others, has been a major undertaking in many fields and particularly in biology. Here, we focus on the cooperation literature from natural populations and present the benefits of a social network approach in terms of how it can help to identify and understand factors that influence the maintenance and spread of cooperation, but are not easily captured when solely considering independent dyadic interactions. We describe how various routes to cooperation can be tested within the social network framework. Applying the social network approach to data from natural populations can help to uncover the evolutionary and ecological pressures that lead to differences in cooperation and other social processes.
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