Annette Baudisch
James W. Vaupel

http://www.demographic-research.org/volumes/vol23/23/

doi:10.4054/DemRes.2010.23.23

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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
Max Planck Institute for Demographic Research, Germany
James W. Vaupel
Max Planck Institute for Demographic Research, Germany

Keywords
aging, eusociality, evolution, fertility, hydra, mortality, senescence, sustenance

Word count (Main text)
1884

Other articles by the same author/authors (in Demographic Research)

	[23-26] Attrition in heterogeneous cohorts
	[22-36] Total daily change with age equals average lifetime change
	[21-29] Survival as a Function of Life Expectancy
	[20-29] The age separating early deaths from late deaths
	[20-3] Life lived and left: Carey’s equality
	[20-1] Formal Relationships: Introduction and Orientation
	[14-7] The relative tail of longevity and the mean remaining lifetime
	[13-24] Lifesaving, lifetimes and lifetables
	[8-7] Oldest Old Mortality in China
	[7-8] Life Expectancy at Current Rates vs. Current Conditions: A Reflexion Stimulated by Bongaarts and Feeney’s "How Long Do We Live?"
	[7-1] Decomposing demographic change into direct vs. compositional components
	[6-5] Dr. Väinö Kannisto: A Reflexion

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