Author(s): CLOUTIER, D.; PÓVOA, J. R. S.; PROCOPIO, L. C.; LEAO, N. V. M.; WADT, L. H. de O.; CIAMPI, A. Y.; SCHOEN, D. J.

Summary: Carapa guianensis is a widespread Neotropical tree species that produces a seed adapted for water dispersal. We conducted a pilot study of chloroplast DNA (cpDNA) variation in order to investigate the consequences of hydrochory on genetic diversity and geographic population structure in the lower Amazon basin. A survey of cpDNA haplotype variation reveals a strong regional structure, which suggests limited gene flow by seeds. Within site variation was detected only in one floodplain forest (varzea), suggesting that seed dispersal by water in these forests has the potential to mix maternal lineages. Several phylogeographic hypotheses are discussed with respect to these data.

Publication year: 2005

Types of publication: Journal article

Unit: Embrapa Acre

Keywords: ADN del cloroplasto, Amazonia, Andiroba, Carapa Guianensis, Chloroplast DNA, Cloroplasto, CpDNA, Diseminación de semillas, Dispersão de Semente, Genetic variation, Nontimber forest products, Produto florestal não madeireiro (PFNM), Seed dispersal, Variación genética, Variação Genética