Title

The influence of a positive correlation between clutch size and offspring fitness on the optimal offspring size

Document Type

Journal article

Source Publication

Evolutionary Ecology

Publication Date

4-1989

Volume

3

Issue

2

First Page

150

Last Page

156

Publisher

Springer Netherlands

Keywords

Optimal investment in offspring, Optimal offspring size, Offspring size variation

Abstract

The effect is modeled of a positive relationship between clutch size and offspring fitness on the optimal investment in offspring. In species which meet the assumptions of the model, the model predicts a positive correlation between maternal resource level and offspring size. If larger mothers are able to allocate more resources to offspring, then the model would also predict a positive correlation between maternal size and offspring size when the assumptions of the model are met. Thus, this model may help explain both among and within individual variation in offspring size. When offspring are produced in groups and the number of offspring killed per clutch is limited by predator satiation, offspring in larger clutches may experience a higher probability of survival. Such a life style may be found in animals such as sea turtles. Offspring size is positively correlated with maternal size in some members of this group.

DOI

10.1007/BF02270917

Print ISSN

02697653

E-ISSN

15738477

Publisher Statement

Copyright © Chapman and Hall Ltd. 1989. Access to external full text or publisher's version may require subscription.

Full-text Version

Publisher’s Version

Recommended Citation

McGinley, M. A. (1989). The influence of a positive correlation between clutch size and offspring fitness on the optimal offspring size. Evolutionary Ecology, 3(2), 150-156. doi: 10.1007/BF02270917