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Quebracho (Santiago del Estero)
versión impresa ISSN 0328-0543versión On-line ISSN 1851-3026
Resumen
KARLIN, M.; CORA, A.; BERNASCONI SALAZAR, J. y ONTIBERO, F.. Post-girdling survival in three invasive alien woody species from the Sierras de Córdoba (Argentina). Quebracho (Santiago del Estero) [online]. 2022, vol.30, n.1, pp.31-37. Epub 01-Jul-2022. ISSN 0328-0543.
The survival of Morus alba L., Melia azederach L. and Ligustrum lucidum W.T. Aiton was evaluated after the application of simple girdling as a technique for controlling invasive alien species. In a micro-basin of the Reserva Natural de la Defensa La Calera, 60 adult individuals were identified, marked and girdled using a radius cut larger than 12 % of the stem diameter. Each treated population was divided into two diameter classes, inferior and superior, according to the median of the breast height diameter (DAP). Alive and dead trees were counted at 72, 204, 439, 600 and 972 days after the treatment. The treatment had different degrees of effectiveness according to the population treated. M. azederach was the most sensitive population to the treatment with 83% mortality at two and a half years of treatment, while M. alba showed a slightly lower sensitivity, with 66 %. L. lucidum showed the lowest sensitivity to the treatment, with 20 % mortality. The mortality of M. alba and L. lucidum treated individuals was higher in those with lower DAP, while the effectiveness in M. azederach did not vary according to the stem diameter class.
Palabras clave : Biological invasions; Melia azederach; mortality; Morus alba; Ligustrum lucidum; silvicultural treatment.