Oxygen isotope in Tabebuia heptaphylla from Pantanal, Brazil: preliminary results.
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Stable isotopes in tree growth rings reflect multiple responses to environmental conditions, and so are potentiallyvaluable sources of paleoclimatic information with annual resolution. Oxygen isotope studies are presenting promising results when applied intrees from tropical, semi-arid or savanna regions, as a tool to understand the seasonal growth, and to extract information about climate. ThePantanal region is a heterogeneous area of 140,000 km², located in central west of Brazil, with special climate conditions. It presents, ingeneral, only one dry season during the year, and periodic intervals of around 20 years, of strong or mild flooding years. The Nhecolandiaregion represents nineteen percent of the area of the Pantanal.
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Tabebuia heptaphylla, Oxigênio, Pantanal