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Title Genetic structure of two demographic stages of the animal-dispersed tree Prunus africana

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Short title Genetic structure of an animal-dispersed tree

Author(s) Berens, D.G.; Braun, C.; Griebeler, E.M.; Böhning-Gaese, K.

Presenting author Böhning-Gaese, K.

Institution(s) Institute of Zoology, University of Mainz

Keywords Animal dispersal; gene flow; Kakamega Forest; population genetics; tree recruitment

Abstract A comparison of the genetic structure of different stages in a plant's life cycle can yield indirect information about the ecological processes shaping plant populations. Here, we present a study of the genetic structure of seedlings and adults of the animal-dispersed tree Prunus africana in Kakamega Forest, Kenya. Preliminary analyses showed slight genetic differentiation between seedlings and adults due to private alleles, which might indicate rare long-distance dispersal events. High inbreeding in seedlings and decreasing relatedness with geographic distance suggest distance-restricted gene flow on a local scale. Further parentage analyses, including other life stages, should reveal more information about the genetic structure of this endangered tree species.

Congress Topic Process Analysis

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