Affordable Access

Publisher Website

Are Certain Life Histories Particularly Prone to Local Extinction?

Authors
Journal
Journal of Theoretical Biology
0022-5193
Publisher
Elsevier
Publication Date
Volume
209
Issue
4
Identifiers
DOI: 10.1006/jtbi.2001.2280
Disciplines
  • Mathematics

Abstract

Abstract Using stochastic simulations and elasticity analysis, we show that there are inherent differences in the risk of extinction between life histories with different demographies. Which life history is the most vulnerable depends on which vital rate varies. When juvenile survival varies semelparous organisms with delayed reproduction are the most vulnerable ones, while a varying developmental rate puts a greater threat to semelparous organisms with rapid development. Iteroparous organisms are the most vulnerable ones when adult survival varies. Generally, we do not expect to observe organisms in nature having variation in vital rates that produce a high risk of extinction. Given the results here we therefore predict that iteroparous organisms should show low variation in adult survival. Moreover, we predict that semelparous organisms should show low variation in juvenile survival and low variation in developmental rate. The effect of temporal correlation on extinction risk is most pronounced in organisms with semelparous life histories.

There are no comments yet on this publication. Be the first to share your thoughts.

Statistics

Seen <100 times
0 Comments

More articles like this

Are certain life histories particularly prone to l...

on Journal of Theoretical Biology Apr 21, 2001

[Life histories].

on Soins; la revue de référence... December 1992

Marine life histories.

on Science Jul 13, 1979
More articles like this..