Abstract (en):
We evaluated the effect of the application of nutrients on the growth of Baccharis macrantha and Viburnum triphyllum, which were planted in a pasture located on the edge of an oak forest in Arcabuco (Boyacá, Colombia). The following treatments were established in plots: B. macrantha with nutrients, B. macrantha without nutrients, V. triphyllum with nutrients, and V. triphyllum without nutrients, each one with three repetitions. The phytosanitary condition, greatest and least diameter of the plant canopy, and height were measured for each planted individual. Analysis of planted species survival using the Kaplan-Meier method was performed and rates of relative growth (RGR) of height and coverage were calculated for all individuals, with which ANOVAs were performed to assess differences between treatments. The probability of survival of planted species decreased greatly over time. Significant differences between treatments were found for height and cover. According to field observation and statistical analysis, the application of nutrients considerably improved the growth in height and cover of B. macrantha, a result useful for the implementation of ecological restoration activities in pastures.
Abstract (es):
Se evaluó el efecto de la aplicación de nutrientes sobre el crecimiento de Baccharis macrantha y Viburnum triphyllum, plantadas en un pastizal ubicado en el borde de un bosque de roble en Arcabuco (Boyacá, Colombia). Los tratamientos establecidos en parcelas fueron: B. macrantha con nutrientes, B. macrantha sin nutrientes, V. triphyllum con nutrientes y V. triphyllum sin nutrientes, cada uno con tres repeticiones. Se registró el estado fitosanitario, diámetro mayor y menor de la copa y altura de todos los individuos plantados. Se realizó el análisis de supervivencia de las especies plantadas por el método de Kaplan-Meier y se calcularon las tasas de crecimiento relativo (TCR) de altura y cobertura para todos los individuos, con las cuales se realizaron ANOVAS para evaluar diferencias entre tratamientos. La probabilidad de supervivencia de las especies plantadas disminuyó en gran medida a través del tiempo. Se encontraron diferencias significativas para el factor especie en la variable altura y diferencias significativas para la interacción especie-nutriente
para la cobertura. De acuerdo a los análisis estadísticos y observación en campo la aplicación de nutrientes benefició considerablemente el crecimiento en altura y cobertura de la especie B. macrantha, resultado útil para la implementación de actividades de restauración ecológica en pastizales.
Keywords:
Borde de bosque, Ecología de la restauración, Fertilización, Pastizal, Plantación, <em>Quercus humboldtii<em> (es)
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How to Cite
Hernández-Pineda, L. L., Roa-Casas, O. M., & Cortés-Pérez, F. (2015). Growth of <em>Baccharis macrantha<em> and <em>Viburnum triphyllum<em>, two native species useful
for ecological restoration, planted in a pasture Andean (Boyacá, Colombia). Biota Colombiana, 15. Retrieved from https://revistas.humboldt.org.co/index.php/biota/article/view/354
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