NDLI: The Correlated Evolution of Dispersal and Mating-System Traits

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The Correlated Evolution of Dispersal and Mating-System Traits

Content Provider	Springer Nature Link
Author	Auld, Josh R. Rubio de Casas, Rafael
Copyright Year	2012
Abstract	The existence of an evolutionary syndrome linking dispersal and mating-system traits has been discussed in both plants and animals. In animals, dispersal as a means of inbreeding-avoidance has been cited as an ultimate cause of sex-biased dispersal. In plants, self-compatibility is widespread, which is often cited as a mechanism for reproductive assurance in organisms that have limited control of dispersal. Limited dispersal has also been hypothesized to minimize outbreeding depression and increase local adaptation. Here, we compare and contrast the various evolutionary hypotheses that link dispersal and the mating system in both plants and animals. We conclude that the majority of theoretical evidence supports the existence of two evolutionary syndromes: (1) outcrossing and dispersing; (2) inbreeding and not dispersing. In the light of the evidence compiled, we advocate for a redefinition of Baker’s law, which we consider to be an exception rather than the rule. As environmental heterogeneity is common in nature, the role of bet-hedging in the evolution of these strategies is likely to be very strong, albeit difficult to prove empirically. Lastly, we argue that exceptions to these two general syndromes (e.g., inbreeding and dispersing) should not be viewed as contradictory; instead they merit exceptional attention because they represent unusual biological adaptations. Throughout, we refer to specific empirical examples to illustrate these scenarios and conclude by suggesting that a meta-analysis of the available data would be a useful next step.
Starting Page	185
Ending Page	193
Page Count	9
File Format	PDF
ISSN	00713260
Journal	Evolutionary Biology
Volume Number	40
Issue Number	2
e-ISSN	19342845
Language	English
Publisher	Springer US
Publisher Date	2012-10-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Amphicarpy Baker’s law Gene flow Hermaphrodite Inbreeding avoidance Local adaptation Migration Outcrossing Reproductive assurance Selfing Evolutionary Biology Ecology Developmental Biology Human Genetics Animal Genetics and Genomics
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Environmental unpredictability and inbreeding depression select for mixed dispersal syndromes

High lifetime inbreeding depression counteracts the reproductive assurance benefit of selfing in a mass-flowering shrub

Plant Mating Systems Often Vary Widely Among Populations

Inbreeding depression from selfing and mating between relatives in the Neotropical tree Cariniana legalis Mart. Kuntze

Range expansions of sexual versus asexual organisms: Effects of reproductive assurance and migration load (Dataset)

Analysis of mating system and genetic structure in the endangered, amphicarpic plant, Lewton’s polygala (Polygala lewtonii)

The fate of received sperm in the reproductive tract of a hermaphroditic snail and its implications for fertilisation

Outcrossing increases infection success in the holoparasitic mistletoe Tristerix aphyllus (Loranthaceae)

Correlated Changes in Body Melanisation and Mating Traits of Drosophila melanogaster: A Seasonal Analysis

The Correlated Evolution of Dispersal and Mating-System Traits

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Environmental unpredictability and inbreeding depression select for mixed dispersal syndromes

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Plant Mating Systems Often Vary Widely Among Populations

Inbreeding depression from selfing and mating between relatives in the Neotropical tree Cariniana legalis Mart. Kuntze

Range expansions of sexual versus asexual organisms: Effects of reproductive assurance and migration load (Dataset)

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The Correlated Evolution of Dispersal and Mating-System Traits