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Buffered Tree Population Changes in a Quaternary Refugium: Evolutionary Implications

Tzedakis, P. C. ; Lawson, I. T. ; Frogley, M. R. ; Hewitt, G. M. ; Preece, R. C.

Science (American Association for the Advancement of Science), 2002-09, Vol.297 (5589), p.2044-2047 [Periódico revisado por pares]

Washington, DC: American Association for the Advancement of Science

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Título:
Buffered Tree Population Changes in a Quaternary Refugium: Evolutionary Implications
Autor: Tzedakis, P. C. ; Lawson, I. T. ; Frogley, M. R. ; Hewitt, G. M. ; Preece, R. C.
Assuntos: Biological Evolution ; Botany ; Climate ; Climate models ; Conservation of Natural Resources ; Earth sciences ; Earth, ocean, space ; Ecological genetics ; Ecosystem ; Environment ; Evidence ; Evolution ; Evolution (Biology) ; Evolutionary genetics ; Exact sciences and technology ; Genetics ; Genomics ; Geography ; Geological time ; Geology, Stratigraphic ; Glacial epoch ; Glacial landforms ; Greece ; Holocene ; Ice ages ; Individualized Instruction ; Natural history ; Paleobotany ; Paleoclimatology ; Paleoecology ; Paleontology ; Plantae ; Pleistocene ; Pollen ; Population ecology ; Population genetics ; Speciation ; Stratigraphy ; Time ; Topography ; Trees ; Trees - genetics ; Trees - growth & development ; Weather
É parte de: Science (American Association for the Advancement of Science), 2002-09, Vol.297 (5589), p.2044-2047
Notas: ObjectType-Article-2
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ObjectType-Feature-1
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Descrição: A high-resolution pollen record from western Greece shows that the amplitude of millennial-scale oscillations in tree abundance during the last glacial period was subdued, with temperate tree populations surviving throughout the interval. This provides evidence for the existence of an area of relative ecological stability, reflecting the influence of continued moisture availability and varied topography. Long-term buffering of populations from climatic extremes, together with genetic isolation at such refugial sites, may have allowed lineage divergence to proceed through the Quaternary. Such ecologically stable areas may be critical not only for the long-term survival of species, but also for the emergence of new ones.
Editor: Washington, DC: American Association for the Advancement of Science
Idioma: Inglês

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Buffered Tree Population Changes in a Quaternary Refugium: Evolutionary Implications

Tzedakis, P. C. ; Lawson, I. T. ; Frogley, M. R. ; Hewitt, G. M. ; Preece, R. C.

Washington, DC: American Association for the Advancement of Science

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