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State and transition model approach in native forests of Southern Patagonia (Argentina): linking ecosystem services, thresholds and resilience
Abstract
The sustainable use of ñire forests requires knowledge of its dynamics and management to maintain long-term main forest ecosystem services. The aim of this work was to develop a structural–functional state and transition model for ñire forests in southern Patagonia. For this, provincial inventory information was analyzed together with information from permanent PEBANPA plots (plots of Ecology and Biodiversity, natural environments in Southern Patagonia)
[ver mas...]
The sustainable use of ñire forests requires knowledge of its dynamics and management to maintain long-term main forest ecosystem services. The aim of this work was to develop a structural–functional state and transition model for ñire forests in southern Patagonia. For this, provincial inventory information was analyzed together with information from permanent PEBANPA plots (plots of Ecology and Biodiversity, natural environments in Southern Patagonia) and studies of ecology and eco-physiology in ñire forests. This allowed the description of plant communities on these ecological sites and the history of natural disturbances. Seven states and 10 negative transitions were described, as well the factors that trigger transitions (levels of grazing, fire and intense logging). Mature forests with low grazing, no extractive activity and complete canopy cover (>70%) correspond to the reference state or condition of greater integrity, and grassland or murtillar (dominance of Empetrum rubrum) with forest loss is considered the most degraded state. Negative transitions determine the threshold crossings associated with the reduction or loss of resilience to the previous or original state. The development of state and transition models allows for early warnings of deterioration and is a tool to achieve more productive and environmental value
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![Thumbnail](/xmlui/bitstream/handle/20.500.12123/3962/EcosystemsandPeople-tbsm22.v015.i01.cover.jpg?sequence=3&isAllowed=y)
Author
Peri, Pablo Luis;
Lopez, Dardo Ruben;
Rusch, Veronica Elena;
Rusch, Graciela M.;
Rosas, Yamina Micaela;
Martínez Pastur, Guillermo José;
Fuente
International Journal of Biodiversity Science Ecosystem Services and Management 13 (2) : 105-118. (2017)
Date
2017-04
Editorial
Taylor & Francis
ISSN
2151-3732
2151-3740
2151-3740
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Derechos de acceso
Abierto
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Metadata
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