Low inbreeding and high pollen dispersal distances in populations of two Amazonian forest tree species

Cloutier, Dominic; Hardy, Olivier J.; Caron, Henri; Ciampi, Ana; Degen, Bernd; Kanashiro, Milton; Schoen, Daniel

doi:doi/10.1111/j.1744-7429.2007.00266.x

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Low inbreeding and high pollen dispersal distances in populations of two Amazonian forest tree species

par Cloutier, Dominic ;Hardy, Olivier J.

;Caron, Henri ;Ciampi, Ana ;Degen, Bernd ;Kanashiro, Milton ;Schoen, Daniel
Référence Biotropica, 39, page (406-415)
Publication Publié, 2007

Article révisé par les pairs

Résumé :

Recent studies suggest that tropical tree species exhibit low inbreeding and high gene dispersal levels despite the typically low density of conspecifics in tropical forests. To examine this, we undertook a study of pollen gene dispersal and mating system of two Amazonian tree species. We analyzed 341 seeds from 33 trees at four microsatellite loci in a Carapa guianensis population from Brazil, and 212 seeds from 22 trees at four microsatellite loci in a Sextonia rubra population from French Guiana. Differentiation of allele frequencies among the pollen pool of individual trees was Phi(FT)

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