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metadata.artigo.dc.title: The climate response of cedrela fissilis annual ring width in the Rio São Francisco Basin, Brazil
metadata.artigo.dc.creator: Pereira, Gabriel de Assis
Barbosa, Ana Carolina Maioli Campos
Torbenson, Max Carl Arne
Stahle, David William
Granato-Souza, Daniela
Santos, Rubens Manoel dos
Barbosa, João Paulo Delfino
metadata.artigo.dc.subject: Brazilian drought polygon
Cedrela fissilis
Seasonally dry tropical forests
Tropical dendrochronology
metadata.artigo.dc.publisher: BioOne 2018
metadata.artigo.dc.identifier.citation: PEREIRA, G. de A. et al. The climate response of cedrela fissilis annual ring width in the Rio São Francisco Basin, Brazil. Tree-Ring Research, [S.l.], v. 74, n. 2, p. 162-171, 2018.
metadata.artigo.dc.description.abstract: The São Francisco River basin is one of the most drought-prone regions of Brazil. Seasonally dry tropical forests (SDTF) are widely distributed in the basin and we developed a short chronology of Cedrela fissilis annual ring widths from SDTF fragments based on 89 cores from 44 trees dating from 1961 to 2015. The average correlation among all radii (RBAR) is 0.52. The tree-ring chronology is correlated with wet season precipitation totals, must strongly and consistently near the beginning of the wet season. The spatial pattern of correlation covers most of the southern portion of the Brazilian Drought Polygon and the sub-basins of the two largest tributaries of the São Francisco River, in some areas exceeding r = 0.60. The chronology is also correlated with total annual discharge of the Rio São Francisco River measured at Barra (r = 0.489; 1961–2015), which is very promising in a country that generates two thirds of its electricity from hydroelectric power plants, particularly if this short chronology can be extended with trees exceeding 150-years old known to still exist in the region.
metadata.artigo.dc.language: en_US
Appears in Collections:DBI - Artigos publicados em periódicos
DCF - Artigos publicados em periódicos

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