Individual effects of mechanical and chemical control treatment on Ligustrum lucidum and other exotic species invading subtropical forests, Horco Molle, Tucumán, Argentina, 2021-2023
; Russo, María Candela ; Ruiz de Huidobro, Nahuel ; Rodríguez, José Sebastián ; Irrazabal Alarcón, Valentina ; Tannure, Florencia ; Baricco, Mariana ; Quiroga, Pablo Adrian ; Burslem, David ; Montti, Lia Fernanda Otros responsables
Fecha
Publicador:
Consejo Nacional de Investigaciones Científicas y Técnicas
Fecha de depósito:
10/05/2024
Fecha de creación:
2023
Clasificación temática
Palabras clave
Resumen
The data resource consists of invasive tree species individual responses to mechanical-chemical/chemical treatments on plots established on invaded sub-tropical mountain secondary forests (Yungas). Those plots are in the Horco Molle experimental reserve and Parque Sierra de San Javier (Horco Molle), Tucumán, Argentina. The current database belongs to an experiment that we conducted to investigate management control of the invasion of non-native species Ligustrum and other exotic species to restore native tree diversity from June 2020 to November 2023.
Tabla de contenidos
The data includes the responses of 1184 stems of invasive trees (mainly Ligustrum lucidum) located in 3 plots under management with arbitrary coordinates (x for the longest side and y for the shortest) to assess the location of each tree. For each tree stem with a perimeter at breast height (PBH) >15.7 cm, the tree was assigned a tagged ID and the species was recorded, the PBH measured and the presence of secondary stems. At a later stage, a treatment was assigned (mechanical-chemical or only chemical), taking into account PBH sizes and locations (to have similar quantities of treatment along individual sizes and locations). For the stems assigned to a “mechanical-chemical treatment", we cut the stem with a chainsaw and immediately applied the herbicide aminopyralid (1.5% water-dissolved solution). For the stems assigned to a “chemical treatment", we injected the same herbicide into the stem. Every month, we monitored the individual responses to treated stems (resprout, stress signs, death). After one year from the control, we applied a second treatment to the stems with mechanical-chemical treatment that had been resprouted. The stems with only chemical treatment had no effect, and the cost of application was high, so we did not apply a second treatment. The individual responses for all the mechanical- chemical-treated stems every two months for one year.
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