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Relationships Between Life History Characteristics and Electrophoretically Detectable Genetic Variation in Plants

Relationships Between Life History Characteristics and Electrophoretically Detectable Genetic... Numerous studies of morphological and physiological traits (reviewed in 3, 57, 95, 132, 135) as well as the more recent studies of enzyme loci (reviewed in 21, 52, 63) have generally shown the existence of significant amounts of genetic variation both within and between plant populations. These reviews (21, 52, 63) have also demonstrated considerable variation among species in intrapopulation allozyme variation. For instance, Hamrick (63) found that populations of woody plants contained higher levels of genetic varia­ tion than did populations of herbaceous species; Gottlieb (52) and Brown (21) demonstrated that predominantly outbreeding species maintain higher levels of intrapopulation genetic variation than predominantly inbreeding species. Nevo (111) found that habitat generalists and animal species with cosmopolitan or tropical distributions were typically more variable than species with specialized habitat preferences or temperate distributions. While these results are interesting and informative, they consider the influence of only a few evolutionarily important characteristics on the main173 0066-4162/79/1120-0173$01.00 HAMRICK, LINHART & MITTON tenance of genetic variation. It would be desirable, therefore, to consider the effect of a large number of life-history characteristics on the genetic struc­ ture of plant populations. In this review we examine the relationships between twelve life-history and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Ecology, Evolution, and Systematics Annual Reviews

Relationships Between Life History Characteristics and Electrophoretically Detectable Genetic Variation in Plants

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Publisher
Annual Reviews
Copyright
Copyright 1979 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0066-4162
DOI
10.1146/annurev.es.10.110179.001133
Publisher site
See Article on Publisher Site

Abstract

Numerous studies of morphological and physiological traits (reviewed in 3, 57, 95, 132, 135) as well as the more recent studies of enzyme loci (reviewed in 21, 52, 63) have generally shown the existence of significant amounts of genetic variation both within and between plant populations. These reviews (21, 52, 63) have also demonstrated considerable variation among species in intrapopulation allozyme variation. For instance, Hamrick (63) found that populations of woody plants contained higher levels of genetic varia­ tion than did populations of herbaceous species; Gottlieb (52) and Brown (21) demonstrated that predominantly outbreeding species maintain higher levels of intrapopulation genetic variation than predominantly inbreeding species. Nevo (111) found that habitat generalists and animal species with cosmopolitan or tropical distributions were typically more variable than species with specialized habitat preferences or temperate distributions. While these results are interesting and informative, they consider the influence of only a few evolutionarily important characteristics on the main173 0066-4162/79/1120-0173$01.00 HAMRICK, LINHART & MITTON tenance of genetic variation. It would be desirable, therefore, to consider the effect of a large number of life-history characteristics on the genetic struc­ ture of plant populations. In this review we examine the relationships between twelve life-history and

Journal

Annual Review of Ecology, Evolution, and Systematics – Annual Reviews

Published: Nov 1, 1979

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