Conservation Genetics Resources

, Volume 3, Issue 1, pp 69–71

iRel: software for implementing pairwise relatedness estimators and evaluating their performance

  • Anders Gonçalves da Silva
  • Michael A. Russello
Technical Note


The online program iRel calculates the individual multilocus pairwise relatedness indices of Queller and Goodnight (Evolution 43: 258–275 1989 and Lynch and Ritland (Genetics 152:1753–1766, 1999), and evaluates their statistical properties given an empirical allele frequency distribution. In particular, it estimates misclassification rates between different relatedness categories and the proportion of variance explained by true relatedness for each of the indices based on the empirical allele frequency distribution and Monte Carlo simulated dyads of different relatedness categories. This approach allows the user to evaluate which index is better suited for a particular dataset, enhancing inferences associated with a wide range of research questions in ecology, animal behavior and conservation.


Assigning relatedness categories Conservation management Computer program Monte Carlo Simulation 

Supplementary material

12686_2010_9292_MOESM1_ESM.doc (58 kb)
Supplementary material 1 (DOC 58 kb)
12686_2010_9292_MOESM2_ESM.doc (220 kb)
Supplementary material 2 (DOC 220 kb)


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Anders Gonçalves da Silva
    • 1
    • 2
  • Michael A. Russello
    • 1
  1. 1.Department of BiologyUniversity of British Columbia OkanaganKelownaCanada
  2. 2.CSIRO Marine and Atmospheric ResearchHobartAustralia

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