Genetic consequences of tropical second-growth forest regeneration.

Clicks: 312
ID: 79821
2005
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Abstract
Secondary forests are more extensive than old-growth forests in many tropical regions, yet the genetic composition of colonizing populations is poorly understood. We analyzed the parentage of a founder population of 130 individuals of the canopy palm Iriartea deltoidea in a 24-year-old second-growth forest in lowland Costa Rica. Among 66 trees in adjacent old-growth forest, only two individuals contributed 56% of the genes in founders. Second-growth trees had lower genetic diversity and larger patches of similar genotypes than old-growth trees. Recovery of genetic diversity of populations in tropical second-growth forests may take many generations and will require continued dispersal from genetically diverse source populations.
Reference Key
sezen2005geneticscience Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sezen, Uzay U;Chazdon, Robin L;Holsinger, Kent E;
Journal science (new york, ny)
Year 2005
DOI
DOI not found
URL URL not found
Keywords
mediterranean region forest management geographic information systems deadwood reference values physiographic parameters

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