Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina
In ecosystems with grassland-forest boundaries, tree plantations could be used to promote forest restoration. In the Humid Chaco region of central South America, fire is one of the main disturbances that shapes the landscape. As eucalypt plantations are flammable, the contribution they can make to forest restoration is questionable. We planted saplings of five native tree species in three different environments (Forests, Grasslands, and Eucalypt plantations) and assessed microclimatic conditions likely to influence sapling survival and growth. After 1 year, accidental fires that affected much of the study area allowed us to investigate the susceptibility of different environments to fire occurrence and post-fire sapling survival. We planted 600 saplings in four plots per environment. We evaluated fire occurrence in the study area for 2 years and ask whether this factor affects sapling survival. In Grasslands, microclimatic conditions were more extreme than in Plantations. Plantations and Forests showed high pre-fire sapling survival but growth was almost double in Plantations, similar to Grasslands for most species. In the study area, fire frequency was similar in Plantations and Grasslands, while Forests plots never burnt during the two year study period. Fire reduced sapling survival in Plantations, but not in Grasslands where survival was low and similar in burned and unburned plots. For top-killed plants, post-fire resprouting ability was species-specific. While more firm conclusions await future studies with even larger sample sizes, our results indicate that fire management may be necessary in order to use eucalypt plantations as nurses in this fire-prone ecosystem.
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Subjects: | Ecosistema, Bosques, Eucalyptus, Pastures, Grasslands, Ecosystems, Forests, Pastizales, Tierras de Pastos, Argentina, Región Noroeste, Argentina, |
Online Access: | http://hdl.handle.net/20.500.12123/9509 https://onlinelibrary.wiley.com/doi/abs/10.1111/rec.13452 https://doi.org/10.1111/rec.13452 |
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Ecosistema Bosques Eucalyptus Pastures Grasslands Ecosystems Forests Pastizales Tierras de Pastos Argentina Región Noroeste, Argentina Ecosistema Bosques Eucalyptus Pastures Grasslands Ecosystems Forests Pastizales Tierras de Pastos Argentina Región Noroeste, Argentina |
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Ecosistema Bosques Eucalyptus Pastures Grasslands Ecosystems Forests Pastizales Tierras de Pastos Argentina Región Noroeste, Argentina Ecosistema Bosques Eucalyptus Pastures Grasslands Ecosystems Forests Pastizales Tierras de Pastos Argentina Región Noroeste, Argentina Montiel, M. Rosario Zaninovich, Silvia C. Bedrij, Natalia A. Insaurralde, J. Ariel Verdoljak, Juan Jose Fontana, José L. Gatti, M. Genoveva Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina |
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In ecosystems with grassland-forest boundaries, tree plantations could be used to promote forest restoration. In the Humid Chaco region of central South America, fire is one of the main disturbances that shapes the landscape. As eucalypt plantations are flammable, the contribution they can make to forest restoration is questionable. We planted saplings of five native tree species in three different environments (Forests, Grasslands, and Eucalypt plantations) and assessed microclimatic conditions likely to influence sapling survival and growth. After 1 year, accidental fires that affected much of the study area allowed us to investigate the susceptibility of different environments to fire occurrence and post-fire sapling survival. We planted 600 saplings in four plots per environment. We evaluated fire occurrence in the study area for 2 years and ask whether this factor affects sapling survival. In Grasslands, microclimatic conditions were more extreme than in Plantations. Plantations and Forests showed high pre-fire sapling survival but growth was almost double in Plantations, similar to Grasslands for most species. In the study area, fire frequency was similar in Plantations and Grasslands, while Forests plots never burnt during the two year study period. Fire reduced sapling survival in Plantations, but not in Grasslands where survival was low and similar in burned and unburned plots. For top-killed plants, post-fire resprouting ability was species-specific. While more firm conclusions await future studies with even larger sample sizes, our results indicate that fire management may be necessary in order to use eucalypt plantations as nurses in this fire-prone ecosystem. |
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Ecosistema Bosques Eucalyptus Pastures Grasslands Ecosystems Forests Pastizales Tierras de Pastos Argentina Región Noroeste, Argentina |
author |
Montiel, M. Rosario Zaninovich, Silvia C. Bedrij, Natalia A. Insaurralde, J. Ariel Verdoljak, Juan Jose Fontana, José L. Gatti, M. Genoveva |
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Montiel, M. Rosario Zaninovich, Silvia C. Bedrij, Natalia A. Insaurralde, J. Ariel Verdoljak, Juan Jose Fontana, José L. Gatti, M. Genoveva |
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Montiel, M. Rosario |
title |
Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina |
title_short |
Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina |
title_full |
Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina |
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Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina |
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Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina |
title_sort |
eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern argentina |
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Wiley |
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2021-06-07T13:50:23Z |
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http://hdl.handle.net/20.500.12123/9509 https://onlinelibrary.wiley.com/doi/abs/10.1111/rec.13452 https://doi.org/10.1111/rec.13452 |
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oai:localhost:20.500.12123-95092021-06-07T14:03:19Z Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina Montiel, M. Rosario Zaninovich, Silvia C. Bedrij, Natalia A. Insaurralde, J. Ariel Verdoljak, Juan Jose Fontana, José L. Gatti, M. Genoveva Ecosistema Bosques Eucalyptus Pastures Grasslands Ecosystems Forests Pastizales Tierras de Pastos Argentina Región Noroeste, Argentina In ecosystems with grassland-forest boundaries, tree plantations could be used to promote forest restoration. In the Humid Chaco region of central South America, fire is one of the main disturbances that shapes the landscape. As eucalypt plantations are flammable, the contribution they can make to forest restoration is questionable. We planted saplings of five native tree species in three different environments (Forests, Grasslands, and Eucalypt plantations) and assessed microclimatic conditions likely to influence sapling survival and growth. After 1 year, accidental fires that affected much of the study area allowed us to investigate the susceptibility of different environments to fire occurrence and post-fire sapling survival. We planted 600 saplings in four plots per environment. We evaluated fire occurrence in the study area for 2 years and ask whether this factor affects sapling survival. In Grasslands, microclimatic conditions were more extreme than in Plantations. Plantations and Forests showed high pre-fire sapling survival but growth was almost double in Plantations, similar to Grasslands for most species. In the study area, fire frequency was similar in Plantations and Grasslands, while Forests plots never burnt during the two year study period. Fire reduced sapling survival in Plantations, but not in Grasslands where survival was low and similar in burned and unburned plots. For top-killed plants, post-fire resprouting ability was species-specific. While more firm conclusions await future studies with even larger sample sizes, our results indicate that fire management may be necessary in order to use eucalypt plantations as nurses in this fire-prone ecosystem. EEA Colonia Benitez Fil: Montiel, M. Rosario. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura. Departamento de Biología. Laboratorio de Ecología; Argentina Fil: Zaninovich, Silvia C. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura. Departamento de Biología. Laboratorio de Ecología; Argentina Fil: Bedrij, Natalia A. Universidad Nacional de Misiones. Instituto de Biología Subtropical; Argentina Fil: Bedrij, Natalia A. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología Subtropical; Argentina Fil: Insaurralde, J. Ariel. Universidad Nacional de Misiones. Instituto de Biología Subtropical; Argentina Fil: Insaurralde, J. Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología Subtropical; Argentina Fil: Verdoljak, Juan Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Colonia Benitez; Argentina Fil: Fontana, José L. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas y Naturales y Agrimensura. Departamento de Biología. Laboratorio de Ecología; Argentina Fil: Gatti, M. Genoveva. Universidad Nacional de Misiones. Instituto de Biología Subtropical; Argentina Fil: Gatti, M. Genoveva. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Biología Subtropical; Argentina Fil: Gatti, M. Genoveva. Universidad Nacional de Misiones. Facultad de Ciencias Forestales; Argentina info:eu-repo/date/embargoEnd/2022-06-07 2021-06-07T13:50:23Z 2021-06-07T13:50:23Z 2021-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion http://hdl.handle.net/20.500.12123/9509 https://onlinelibrary.wiley.com/doi/abs/10.1111/rec.13452 1061-2971 1526-100X https://doi.org/10.1111/rec.13452 eng info:eu-repo/semantics/embargoedAccess application/pdf Wiley Restoration Ecology : e13452 (First published: 28 May 2021) |