Volume 23 - Article 23 | Pages 655–668
Senescence vs. sustenance: Evolutionary-demographic models of aging
| Date received: | 20 Oct 2009 |
| Date published: | 28 Sep 2010 |
| Word count: | 1884 |
| Keywords: | aging, eusociality, evolution, fertility, hydra, mortality, senescence, sustenance |
| DOI: | 10.4054/DemRes.2010.23.23 |
Abstract
Humans, and many other species, suffer senescence: mortality increases and fertility declines with adult age. Some species, however, enjoy sustenance: mortality and fertility remain constant. Here we develop simple but general evolutionary-demographic models to explain the conditions that favor senescence vs. sustenance. The models illustrate how mathematical demography can deepen understanding of the evolution of aging.
Author's Affiliation
Annette Baudisch - Syddansk Universitet, Denmark
James W. Vaupel - Syddansk Universitet, Denmark
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