Pinus douglasiana (Mtz.) as proxy. The drought of the mid-twentieth century (1941-1963, 22 years) was the most severe of the study period. The multivariate El Niño Southern Oscillation index (MEI) (1959-2010) and the tree-ring width index of P. douglasiana showed significant correlation (r= 0.4542; P < 0.05) for the months of January–June, with higher correlation for the months of January (r= 0.4337; P < 0.0001) and March (r= 0.4310; P < 0.0001). ENSO teleconnections in the region vary over time; from January to May, El Niño events are associated with higher than average rainfall, while La Niña events show the opposite.">
 
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COORDINACIÓN DE REVISTAS INSTITUCIONALES | UACh

e-ISSN: 2007-4026 / ISSN print: 2007-3925

Ingeniería Agrícola y Biosistemas

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