Genetic consequences of tropical second-growth forest regeneration.

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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.
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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
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Keywords
mediterranean region forest management geographic information systems deadwood reference values physiographic parameters

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