期刊
AMERICAN NATURALIST
卷 175, 期 1, 页码 136-143出版社
UNIV CHICAGO PRESS
DOI: 10.1086/648554
关键词
relatedness; Hamilton's rule; extended phenotype; niche construction
资金
- Swiss National Science Foundation
- National Institutes of Health [GM28016]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM028016] Funding Source: NIH RePORTER
Genes affect not only the behavior and fitness of their carriers but also that of other individuals. According to Hamilton's rule, whether a mutant gene will spread in the gene pool depends on the effects of its carrier on the fitness of all individuals in the population, each weighted by its relatedness to the carrier. However, social behaviors may affect not only recipients living in the generation of the actor but also individuals living in subsequent generations. In this note, I evaluate space-time relatedness coefficients for localized dispersal. These relatedness coefficients weight the selection pressures on long-lasting behaviors, which stem from a multigenerational gap between phenotypic expression by actors and the resulting environmental feedback on the fitness of recipients. Explicit values of space-time relatedness coefficients reveal that they can be surprisingly large for typical dispersal rates, even for hundreds of generations in the future.
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