Phylogeography of Pinus subsection Australes in the Caribbean Basin.

ABSTRACT:

Background and aims

Four species of Pinus subsection Australes occur in the Caribbean Basin: P. caribaea, P. cubensis, P. maestrensis and P. occidentalis. This study analyses the phylogeography of these species to assess possible colonization events from Central America to the islands and subsequent population expansions during glacial periods driven by both drier climate and larger emerged land areas.

Methods

Allele size data were obtained for plastid microsatellites for 314 individuals from 24 populations, covering the distribution range of subsection Australes in the Caribbean Basin.

Key results

In total, 113 plastid haplotypes were identified. The highest genetic diversity was found in populations of P. caribaea. Overall, Caribbean Basin populations fit the isolat

SUBMITTER: Jardon-Barbolla L 

PROVIDER: S-EPMC3025731 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature