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The continuum between semelparity and iteroparity: plastic expression of parity in response to season length manipulation in Lobelia inflata

Overview of attention for article published in BMC Ecology and Evolution, April 2014
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Title
The continuum between semelparity and iteroparity: plastic expression of parity in response to season length manipulation in Lobelia inflata
Published in
BMC Ecology and Evolution, April 2014
DOI 10.1186/1471-2148-14-90
Pubmed ID
Authors

P William Hughes, Andrew M Simons

Abstract

Semelparity and iteroparity are considered to be distinct and alternative life-history strategies, where semelparity is characterized by a single, fatal reproductive episode, and iteroparity by repeated reproduction throughout life. However, semelparous organisms do not reproduce instantaneously; typically reproduction occurs over an extended time period. If variation in reproductive allocation exists within such a prolonged reproductive episode, semelparity may be considered iteroparity over a shorter time scale.This continuity hypothesis predicts that "semelparous" organisms with relatively low probability of survival after age at first reproduction will exhibit more extreme semelparity than those with high probability of adult survival. This contrasts with the conception of semelparity as a distinct reproductive strategy expressing a discrete, single, bout of reproduction, where reproductive phenotype is expected to be relatively invariant. Here, we manipulate expected season length--and thus expected adult survival--to ask whether Lobelia inflata, a classic "semelparous" plant, exhibits plasticity along a semelparous-iteroparous continuum.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 2%
Unknown 58 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 12 20%
Student > Master 10 17%
Researcher 10 17%
Student > Bachelor 8 14%
Student > Doctoral Student 4 7%
Other 5 8%
Unknown 10 17%
Readers by discipline Count As %
Agricultural and Biological Sciences 31 53%
Environmental Science 5 8%
Biochemistry, Genetics and Molecular Biology 4 7%
Mathematics 2 3%
Pharmacology, Toxicology and Pharmaceutical Science 1 2%
Other 2 3%
Unknown 14 24%