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1 January 2018 Dendrochronological Reconstruction of Environmental History of Fagus Grandifolia Subsp. Mexicana in Mexico
Adriana Beatriz Ortiz-Quijano, Consuelo Cuevas-Cardona, José Villanueva-díaz, Lauro López-Mata, Arturo Sánchez-González
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Abstract

Growth-ring analysis is a valuable source of information for reconstructing environmental history. In this study, ring-width series of a sample of Fagus grandifolia subsp. mexicana were used to identify the main events that have affected populations of this species. Core samples were extracted in three representative beech forests in Mexico. These are forests where F. grandifolia subsp. mexicana dominates the canopy. A total of 3355 years of growth rings were measured and three ring-width chronologies were generated. Average annual ring widths were similar between the three sites and ranged from 0.98 to 1.08 mm. A pattern of multiple suppressions and releases was observed, mainly associated with local events, but with a slight climatic influence. Correlations between the ring-width index and climate variables were not statistically significant, with the exception of a seasonal January–June precipitation pattern (1982–2001). There has not been a large-scale disturbance of natural or human origin in the beech forests of the state of Hidalgo in the past 150 years, except in El Gosco, where anthropogenic disturbances have increased in the past decade.

© 2018 by The Tree-Ring Society
Adriana Beatriz Ortiz-Quijano, Consuelo Cuevas-Cardona, José Villanueva-díaz, Lauro López-Mata, and Arturo Sánchez-González "Dendrochronological Reconstruction of Environmental History of Fagus Grandifolia Subsp. Mexicana in Mexico," Tree-Ring Research 74(1), 108-119, (1 January 2018). https://doi.org/10.3959/1536-1098-74.1.108
Received: 17 October 2016; Accepted: 1 April 2017; Published: 1 January 2018
KEYWORDS
cloud forest
disturbance
environmental history
Fagus grandifolia
releases
ring width
suppressions
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