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Reproductive decisions under ecological constraints: It's about time

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dc.contributor.author Gowaty, Patricia Adair en
dc.contributor.author Hubbell, Stephen P. en
dc.date.accessioned 2011-04-21T16:39:11Z
dc.date.available 2011-04-21T16:39:11Z
dc.date.issued 2009
dc.identifier.citation Gowaty, Patricia Adair and Hubbell, Stephen P. 2009. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F15898">Reproductive decisions under ecological constraints: It&#39;s about time</a>." <em>Proceedings of the National Academy of Sciences of the United States of America</em>. 106 (supplement 1):10017&ndash;10025. <a href="https://doi.org/10.1073/pnas.0901130106">https://doi.org/10.1073/pnas.0901130106</a> en
dc.identifier.issn 0027-8424
dc.identifier.uri http://hdl.handle.net/10088/15898
dc.description.abstract The switch point theorem (SPT) is the quantitative statement of the hypothesis that stochastic effects on survival, mate encounter, and latency affect individuals&#39; time available for mating, the mean and variance in fitness, and thus, originally favored the evolution of individuals able to make adaptively flexible reproductive decisions. The SPT says that demographic stochasticity acting through variation in () individual survival probability, ; () individual encounter probability, ; () latency, ; () the number of potential mates in the population, ; and () the distribution of fitness conferred, the distribution, together affect average lifetime fitness, and induce adaptive switches in individual reproductive decisions. The switch point is the rank of potential mates at which focal individuals switch from accepting to rejecting potential mates, a decision rule that the SPT proves maximizes the average lifetime fitness of a focal individual under given values of ecological constraints on time. The SPT makes many predictions, including that the shape of the distribution of fitness conferred affects individual switch points. All else equal, higher probabilities of individual survival and encounter decrease the fraction of acceptable potential mates, such that focal individuals achieve higher average lifetime fitness by rejecting more potential mates. The primary prediction of the SPT is that each decision a focal individual makes is determined jointly by , , , , and the distribution. en
dc.relation.ispartof Proceedings of the National Academy of Sciences of the United States of America en
dc.title Reproductive decisions under ecological constraints: It&#39;s about time en
dc.type Journal Article en
dc.identifier.srbnumber 78965
dc.identifier.doi 10.1073/pnas.0901130106
rft.jtitle Proceedings of the National Academy of Sciences of the United States of America
rft.volume 106
rft.issue supplement 1
rft.spage 10017
rft.epage 10025
dc.description.SIUnit Encyclopedia of Life en
dc.description.SIUnit Forces of Change en
dc.description.SIUnit STRI en
dc.citation.spage 10017
dc.citation.epage 10025

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