Uso eficiente del agua en dos especies forestales usadas para restauración ecológica en bosque seco tropical. Municipio del Agrado (Huila)
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Tropical dry forest (TDF) are a unique ecosystem with high levels of endemism. currently, are among the most endangered ecosystems in the world by anthropic activities, since its soils are fertile and suitable for agriculture, cattle raising, wood production and non-timber forest products. These forests are characterized by a pronounced dry season during part of the year and grow under a range annual rainfall from 250 to 2000 mm. Field observations were made at quimbo dam (Ecological Restoration of the Hydroelectric Project el Quimbo), in the Huila Department of southwestern-central Colombia. The importance restoration these forests is which stabilize the soil, prevent erosion, regulate water, which prevents desertification and ensures productivity. Water stress is a key factor limiting plant survival and growth, therefore adversely affecting vegetation restoration. A deeper knowledge of water use strategies and drought tolerance of seedling is essential for restauration programs the aim of this study was to assess the water-use efficiency of Albizia guachapele (Kunth) Dugand and Enterolobium cyclocarpum (Jacq.) Griseb. In three vegetation coverages of restoration ecology in tropical dry forest (tdf). The variables were analyzed by means of a Combined Analysis of Variance, a Randomized Complete Block Design with factorial arrangement (2 forest species X three vegetation coverages) in series of experiments (Equal place- different neason), where the blockade form corresponded to three intervals of time during the day (5:00 to 7:00, 11:00 to 13:00 and 17:00 to 19:00). The water use efficiency the Albizia guachapele specie, in dry season and nucleacion vegetation coverage was the best.