Paleoecology meets genetics: Deciphering past vegetational dynamics

Feng Sheng Hu, Arndt Hampe, Rémy J. Petit

Research output: Contribution to journalReview article

Abstract

Genetic analysis adds a novel dimension to paleoecology that is becoming increasingly important for elucidating vegetational dynamics in relation to climate change. Because past vegetational changes have often left distinct genetic imprints on current plant populations, genetic analysis can add detail to fossil-based reconstructions. Recent surveys of DNA polymorphisms yield new insights into past vegetational changes and address long-standing paleoecological questions. These studies reveal that small tree populations survived in mid- to high-latitude refugia throughout the Quaternary glacial episodes. They further reveal migration pathways and demographic processes during postglacial range expansion. These results challenge previous notions regarding tree species responses to climate change and help to identify genetic conservation targets. Here, we review these recent advances and outline research prospects at the interface between paleoecology and genetics.

Original languageEnglish (US)
Pages (from-to)371-379
Number of pages9
JournalFrontiers in Ecology and the Environment
Volume7
Issue number7
DOIs
StatePublished - Sep 1 2009

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paleoecology
genetic analysis
genetic techniques and protocols
climate change
conservation genetics
range expansion
germplasm conservation
refugium
refuge habitats
Postglacial
population genetics
polymorphism
demographic statistics
fossils
genetic polymorphism
fossil
DNA
plant population

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

Cite this

Paleoecology meets genetics : Deciphering past vegetational dynamics. / Hu, Feng Sheng; Hampe, Arndt; Petit, Rémy J.

In: Frontiers in Ecology and the Environment, Vol. 7, No. 7, 01.09.2009, p. 371-379.

Research output: Contribution to journalReview article

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