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Ecología austral

versión On-line ISSN 1667-782X


DE PAZ, Manuel; GOBBI, Miriam  y  RAFFAELE, Estela. Review of revegetation experiences for restoration purposes in the forests of Argentina. Ecol. austral [online]. 2019, vol.29, n.2, pp.194-207. ISSN 1667-782X.

The restoration of degraded environments is being increasingly implemented worldwide in order to mitigate threats and recover natural ecosystems. Therefore, the forests of Argentina are not the exception to this situation. For this reason, the Native Forest Law promotes the protection, recovery and sustainable use of the native forests. However, there are no reviews in our country of past experiences that indicate which were the most appropriate techniques for restoring forests. Our aim was to survey the actual state of the revegetation for restoration purposes and interventions techniques most used in the different forest ecoregions of Argentina. We evaluated for each type of ecoregion the effect of the interventions most used on the survival of seedlings. The information was obtained from scientific publications and surveys to participants from restoration experiences of scientific fields, government and civil society. Little published information was recorded (50% of the experiences). Most of the restored areas are small and a minor percentage (43.1%) was monitored. We analyzed the most frequent intervention techniques for each type of forest and found that the survival of the seedlings was positive when using exclosures against herbivores and irrigation. In contrast, the use of amendments produced a negative effect on the survival seedlings; and erosion control and nurse species effects varied according to the type of forest ecosystem. Survey method was relevant to identify the significant number of unpublished experiences (50.4%) carried out in the different regions of the country. The study includes a variety of information provided by local actors, which makes it an input for future restoration programs that incorporate territorial planning and the implementation of evaluation and monitoring systems.

Palabras clave : Ecoregions; Plantation; Native species; Seedling survival.

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