Disturbance and density-dependent processes (competition and facilitation) influence the fine-scale genetic structure of a tree species’ population | Zendy

Alex Fajardo | Zendy; Cristian TorresDíaz | Zendy; Irène TillBottraud | Zendy

Open Access

Disturbance and density-dependent processes (competition and facilitation) influence the fine-scale genetic structure of a tree species’ population

Author(s) -

Alex Fajardo,

Cristian TorresDíaz,

Irène TillBottraud

Publication year - 2015

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcv148

Subject(s) - biology , genetic structure , ecology , biological dispersal , competition (biology) , seed dispersal , facilitation , intraspecific competition , genetic diversity , population , genetic variation , biochemistry , demography , neuroscience , sociology , gene

Disturbances, dispersal and biotic interactions are three major drivers of the spatial distribution of genotypes within populations, the last of which has been less studied than the other two. This study aimed to determine the role of competition and facilitation in the degree of conspecific genetic relatedness of nearby individuals of tree populations. It was expected that competition among conspecifics will lead to low relatedness, while facilitation will lead to high relatedness (selection for high relatedness within clusters).

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