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Lavado de nutrientes en plantaciones forestales de Vochysia ferruginea Mart. y Vochysia guatemalensis Donn. Sm., Sarapiquí, Costa Rica

Authors: Jiménez-Rodríguez, César; Calvo-Alvarado, Julio; Arias-Aguilar, Dagoberto;

Lavado de nutrientes en plantaciones forestales de Vochysia ferruginea Mart. y Vochysia guatemalensis Donn. Sm., Sarapiquí, Costa Rica

Abstract

Este estudio evaluó la incorporación de nutrientes de la precipitación bruta (Pb) y el lavado de copas de un bosque secundario y de plantaciones forestales de Vochysia guatemalensis Donn. Sm. y Vochysia ferruginea Mart. en la Estación Biológica La Selva, Sarapiquí, Costa Rica. Se analizaron las concentraciones en mg/l de los nutrientes NH4 +, NO3-, K+, Ca2+ y Mg2+, el pH y la conductividad eléctrica (μS/cm). Los valores de pH y conductividad eléctrica del agua de lluvia, se incrementaron en su paso a través de las hojas y ramas de los árboles, debiéndose principalmente al aumento de bases, en donde el pH y la CE de la precipitación bruta fueron los valores más bajos. El bosque secundario mostró una remoción del 23.8% del NH4 + incorporado por la Pb mientras que Vochysia ferruginea removió el 21% del NO3 - presente en la Pb; ambas retensiones se pueden originar por los requerimientos fisiológicos en la época de fructificación de los árboles dominantes en ambos ecosistemas y la posible presencia de hongos y bacterias que modificaron las formas complejas del nitrógeno a otras más sencillas. El lavado de elementos como K+, Ca2+ y Mg2+ se puede asociar con la deposición de partículas sólidas en las superficies del follaje y ramas.

Country
Costa Rica
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Keywords

Costa Rica, Lluvia, Bosque secundario, Vochysia ferruginea, Lavado de copas, Remoción de nutrientes, Lavado de copas; Remoción de nutrientes; Vochysia ferruginea; Vochysia guatemalensis; Bosque secundario; Lluvia; Costa Rica, Vochysia guatemalensis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green