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Transpiration of a tropical dry deciduous forest in Yucatan, Mexico
EVELYN RAQUEL SALAS ACOSTA
José Luis Andrade Torres
Jorge Perera
ROBERTH ARMANDO US SANTAMARIA
bernardo figueroa-espinoza
Jorge M. Uuh-Sonda
EDUARDO CEJUDO ESPINOSA
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.3390/atmos13020271
SAP FLUX
SEASONALITY
STAND TRANSPIRATION
EVAPOTRANSPIRATION
DRY DECIDUOUS FOREST
The study of forest hydrology and its relationships with climate requires accurate estimates of water inputs, outputs, and changes in reservoirs. Evapotranspiration is frequently the least studied component when addressing the water cycle; thus, it is important to obtain direct measurements of evaporation and transpiration. This study measured transpiration in a tropical dry deciduous forest in Yucatán (Mexico) using the thermal dissipation method (Granier-type sensors) in representative species of this vegetation type. We estimated stand transpiration and its relationship with allometry, diameter-at-breast-height categories, and previously published equations. We found that transpiration changes over time, being higher in the rainy season. Estimated daily transpiration ranged from 0.562 to 0.690 kg m–2 d–1 in the late dry season (April–May) and from 0.686 to 1.29 kg m–2 d–1 in the late rainy season (September–October), accounting for up to 51% of total evapotranspiration in the rainy season. These daily estimates are consistent with previous reports for tropical dry forests and other vegetation types. We found that transpiration was not species-specific; diameter at breast height (DBH) was a reliable way of estimating transpiration because water use was directly related to allometry. Direct measurement of transpiration would increase our ability to accurately estimate water availability and assess the responses of vegetation to climate change. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
2022
Artículo
Atmosphere, 13(2), 271, 2022.
Inglés
Salas-Acosta, E.R.; Andrade, J.L.; Perera-Burgos, J.A.; Us-Santamaría, R.; FigueroaEspinoza, B.; Uuh-Sonda, J.M.; Cejudo, E. Transpiration of a tropical dry deciduous forest in Yucatan, Mexico. Atmosphere 2022, 13, 271. https://doi.org/10.3390/atmos13020271
ECOLOGÍA VEGETAL
Versión publicada
publishedVersion - Versión publicada
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