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Title: Estimating differential reproductive success from nests of related individuals, with application to a study of the Mottled Sculpin, Cottus bairdi
Author(s): Jones, Beatrix; Grossman, Gary D.; Walsh, Daniel C.I.; Porter, Brady A.; Avise, John C.; Flumera, Anthony C.
Date: 2007
Source: Genetics 176: 2427–2439 (August 2007)
Description: Understanding how variation in reproductive success is related to demography is a critical component in understanding the life history of an organism. Parentage analysis using molecular markers can be used to estimate the reproductive success of different groups of individuals in natural populations. Previous models have been developed for cases where offspring are random samples from the population but these models do not account for the presence of full- and half-sibs commonly found in large clutches of many organisms. Here we develop a model for comparing reproductive success among different groups of individuals that explicitly incorporates within-nest relatedness. Inference for the parameters of the model is done in a Bayesian framework, where we sample from the joint posterior of parental assignments and fertility parameters.
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