2017
DOI: 10.25260/ea.17.27.2.0.240
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Modelo de estados y transiciones de los ñirantales del NO de la Patagonia como herramienta para el uso silvopastoril sustentable

Abstract: RESUMEN. Desarrollamos un modelo de estados y transiciones (MEyT) para el bosque de ñire (Nothofagus antarctica) en el norte de la Patagonia, con el fin de sintetizar el conocimiento disperso sobre las repuestas de este sistema al manejo silvopastoril. En base a una recopilación bibliográfica, a un taller de expertos seguido por sesiones de consulta y a relevamientos de campo propusimos los estados alternativos e identificamos los disturbios naturales y las prácticas de manejo más comunes que disparan cambios … Show more

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Cited by 25 publications
(24 citation statements)
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“…Invasive species, including exotic conifers (Lantschner & Rusch 2007), are also commonly introduced after disturbance at these sites, with possible effects on flower-pollinator interactions (Morales & Aizen 2006). Even though optimal management is needed, the use of thinning as an alternative sustainable resource exploitation strategy has not been explored in NWP (Rusch et al 2017). In this context, because pollination changes have the potential to affect vegetation community structure, it is important to assess whether thinning introduces changes in floral resources and their pollinators, and whether those changes may be moderated by disturbance intensity.…”
Section: Introductionmentioning
confidence: 99%
“…Invasive species, including exotic conifers (Lantschner & Rusch 2007), are also commonly introduced after disturbance at these sites, with possible effects on flower-pollinator interactions (Morales & Aizen 2006). Even though optimal management is needed, the use of thinning as an alternative sustainable resource exploitation strategy has not been explored in NWP (Rusch et al 2017). In this context, because pollination changes have the potential to affect vegetation community structure, it is important to assess whether thinning introduces changes in floral resources and their pollinators, and whether those changes may be moderated by disturbance intensity.…”
Section: Introductionmentioning
confidence: 99%
“…Finally, to effectively apply these results to forest management, information about ecosystem dynamic is needed. In the case of mixed woodlands in northwest Patagonia, a state and transition model had been proposed based on several background knowledge (Peri et al 2017;Rusch et al 2017). Our results shed light on the mechanisms behind the proposed positive and negative transitions of the reference state.…”
Section: Discussionmentioning
confidence: 72%
“…This opens challenges and opportunities for natural resource management on private lands. Most of the woody species that our study sites are heliophiles and resprouters (Rusch et al 2017) and exhibit fast initial growth after disturbance (Landesmann et al 2016), but the response of the community to initial disturbance and potential recovery is not well understood. We designed this study in order to assess patterns and mechanisms on community response and resilience to different intensities of harvesting in a temperate mixed secondary woodland of northwest Patagonia.…”
Section: Discussionmentioning
confidence: 99%
“…En la Patagonia norte, en particular, estos ecosistemas han sido históricamente considerados de bajo valor económico y ambiental (Reque et al 2007), y las plantaciones de coníferas exóticas y el uso silvopastoril representan las principales alternativas productivas. Esto implicó extracción o reemplazo de especies nativas, muchas veces con un consecuente proceso de degradación de la tierra que requiere de prácticas activas para su restauración (Rusch et al 2017). Sin embargo, los matorrales son uno de los tipos forestales más diversos de los bosques Andino-patagónicos (Veblen et al 1996), y su uso y conservación deben ser objeto de atención, ya que proveen múltiples servicios ambientales (Goldenberg et al 2020b).…”
Section: ₂₀₅ I�����������unclassified