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Forests 2017, 8(5), 173; doi:10.3390/f8050173

Earlywood and Latewood Widths of Picea chihuahuana Show Contrasting Sensitivity to Seasonal Climate

1
Instituto Tecnológico de El Salto, Mesa del Tecnológico Km 101 carretera Durango-Mazatlán, El Salto, 34950 Durango, Mexico
2
Facultad de Ciencias Forestales, Universidad Juárez del Estado de Durango, Av. Papaloapan y Blvd. Durango, 34120 Durango, Mexico
3
Instituto Pirenaico de Ecología (IPE-CSIC), Avda. Montañana, 1005 Saragossa, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Glenn Juday
Received: 28 March 2017 / Revised: 15 May 2017 / Accepted: 16 May 2017 / Published: 18 May 2017
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Abstract

The existence of endangered tree species in Mexico necessitates an understanding of their vulnerability to the predicted climate changes (warming and drying trends). In this study, the sensitivity to climate of earlywood (EW) and latewood (LW) widths of the threatened Picea chihuahuana was determined. The response of EW and LW to climate variables (maximum temperature, minimum temperature, precipitation, evaporation, and a drought index) was analyzed by means of correlation analysis using dendrochronology over the period of 1950–2015. EW and LW production were enhanced by cool and wet conditions during winter prior to the start of growing season. During the growing season, EW and LW production increased in response to cool spring and summer conditions, respectively; temperatures and year-round evaporation, excluding summer and the previous drought in the period prior to the growing season. EW was sensitive to seasonal drought, which is a concern considering the predicted aridification trends for the study area. These results provide further knowledge on the dendroecological potential of Picea chihuahuana. View Full-Text
Keywords: dendroecology; drought; forest; Mexico; radial growth dendroecology; drought; forest; Mexico; radial growth
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MDPI and ACS Style

Cabral-Alemán, C.; Pompa-García, M.; Acosta-Hernández, A.C.; Zúñiga-Vásquez, J.M.; Camarero, J.J. Earlywood and Latewood Widths of Picea chihuahuana Show Contrasting Sensitivity to Seasonal Climate. Forests 2017, 8, 173.

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