Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition
Patagonia grasslands are subjected to two main disturbances, fire and grazing, but little information is available about its effects on vegetation. We studied post-fire survival and resprouting ability of two dominant grass species, Stipa speciosa and Festuca pallescens, for four years; evaluated th...
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| Format: | Artículo |
| Language: | Inglés |
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Elsevier
2024
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| Online Access: | http://hdl.handle.net/20.500.12123/18109 https://www.sciencedirect.com/science/article/pii/S0140196311001571 https://doi.org/10.1016/j.jaridenv.2011.05.005 |
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| author | Gittins Lopez, Cecilia Gabriela Ghermandi, Luciana Bran, Donaldo Eduardo |
| author_browse | Bran, Donaldo Eduardo Ghermandi, Luciana Gittins Lopez, Cecilia Gabriela |
| author_facet | Gittins Lopez, Cecilia Gabriela Ghermandi, Luciana Bran, Donaldo Eduardo |
| author_sort | Gittins Lopez, Cecilia Gabriela |
| collection | INTA Digital |
| description | Patagonia grasslands are subjected to two main disturbances, fire and grazing, but little information is available about its effects on vegetation. We studied post-fire survival and resprouting ability of two dominant grass species, Stipa speciosa and Festuca pallescens, for four years; evaluated the effect of early post-fire defoliation on both species; and tested whether competition is important in post-fire recovery in San Ramón Ranch, NW Patagonia (Argentina). To simulate grazing, a clipping treatment was applied at the beginning and end of growing seasons. Survival rates were high (>60%) and, after three years, biomass of both species in the burned area was similar to the unburned area. Competition seems to play an important role in the early post-fire recovery of both species, particularly in the case of F. pallescens that increased 87% the biomass production without competition. Fire may improve forage quality by eliminating the standing dead material, but early post-fire grazing might endanger the persistence of F. pallescens. We suggest requiring a resting period before livestock introduction and controlling grazing intensity. |
| format | Artículo |
| id | INTA18109 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA181092024-06-11T11:24:15Z Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition Gittins Lopez, Cecilia Gabriela Ghermandi, Luciana Bran, Donaldo Eduardo Festuca Defoliación Pastoreo Argentina Defoliation Grazing Interspecific Competition Competencia Interespecífica Disturbance Post-Fire Survival Early Pos-Fire Defoliation Disturbio Festuca pallescens Stipa Speciosa Supervivencia Post-Incendio Defoliación temprana Pos-Incendio Región Patagónica Patagonia grasslands are subjected to two main disturbances, fire and grazing, but little information is available about its effects on vegetation. We studied post-fire survival and resprouting ability of two dominant grass species, Stipa speciosa and Festuca pallescens, for four years; evaluated the effect of early post-fire defoliation on both species; and tested whether competition is important in post-fire recovery in San Ramón Ranch, NW Patagonia (Argentina). To simulate grazing, a clipping treatment was applied at the beginning and end of growing seasons. Survival rates were high (>60%) and, after three years, biomass of both species in the burned area was similar to the unburned area. Competition seems to play an important role in the early post-fire recovery of both species, particularly in the case of F. pallescens that increased 87% the biomass production without competition. Fire may improve forage quality by eliminating the standing dead material, but early post-fire grazing might endanger the persistence of F. pallescens. We suggest requiring a resting period before livestock introduction and controlling grazing intensity. EEA Alto Valle Fil: Gittins López, Cecilia Gabriela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Alto Valle; Argentina Fil: Ghermandi, Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Laboratorio ECOTONO; Argentina. Fil: Ghermandi, Luciana. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche (CRUB). Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Laboratorio ECOTONO; Argentina Fil: Bran, Donaldo Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina 2024-06-11T11:18:39Z 2024-06-11T11:18:39Z 2011-11 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/18109 https://www.sciencedirect.com/science/article/pii/S0140196311001571 0140-1963 https://doi.org/10.1016/j.jaridenv.2011.05.005 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Journal of Arid Environments 75 (11) : 986-990 (November 2011) |
| spellingShingle | Festuca Defoliación Pastoreo Argentina Defoliation Grazing Interspecific Competition Competencia Interespecífica Disturbance Post-Fire Survival Early Pos-Fire Defoliation Disturbio Festuca pallescens Stipa Speciosa Supervivencia Post-Incendio Defoliación temprana Pos-Incendio Región Patagónica Gittins Lopez, Cecilia Gabriela Ghermandi, Luciana Bran, Donaldo Eduardo Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition |
| title | Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition |
| title_full | Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition |
| title_fullStr | Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition |
| title_full_unstemmed | Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition |
| title_short | Studying the post-fire performance of tussock grasses in Patagonia: Survival, biomass production and early competition |
| title_sort | studying the post fire performance of tussock grasses in patagonia survival biomass production and early competition |
| topic | Festuca Defoliación Pastoreo Argentina Defoliation Grazing Interspecific Competition Competencia Interespecífica Disturbance Post-Fire Survival Early Pos-Fire Defoliation Disturbio Festuca pallescens Stipa Speciosa Supervivencia Post-Incendio Defoliación temprana Pos-Incendio Región Patagónica |
| url | http://hdl.handle.net/20.500.12123/18109 https://www.sciencedirect.com/science/article/pii/S0140196311001571 https://doi.org/10.1016/j.jaridenv.2011.05.005 |
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