Behavior of the assisted natural forest regeneration in the integral forest property 1 of Paraguay, Guantánamo
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Abstract
Assisted natural regeneration (ANR) is a key strategy to restore degraded areas, especially in dry forest ecosystems, where soil and climate conditions and anthropic action hinder natural recovery. The study aimed to evaluate the dynamics of ANR in the Integrated Forest Farm 1, located in the municipality of Guantánamo, Cuba, between October 2021 and September 2022. Floristic inventories were carried out in 20 plots (20 x 25 m), dasometric parameters such as height and diameter were considered. In addition, ecological value and regeneration quality indices were applied. The study area presented alkaline alluvial soils with high salinity, as well as a semi-desert climate with annual rainfall of 673.6 mm and high average temperatures of 26.39 °C. The results indicated that regeneration is representative in species such as Leucaena leucocephala, Lysiloma latisiliquum and Prosopis juliflora, although with a high incidence of invasive species that require silvicultural management. The Expanded Ecological Importance Value Index highlighted the adaptation of some species, while the quality of regeneration was classified as regular in 90% of the plots, limited by factors such as salinity, water stress and soil compaction. The study concluded that RNA can be effective with sustainable management that prioritizes the control of invasive species and the enrichment of areas with native species. This will allow improving the structure and functionality of the ecosystem in the long term.
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