Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands
Question Could disturbance by fire and ungulate herbivory alter fire regimes by increasing flammability in shrublands and early-successional forests? Location Nahuel Huapi National Park, northwest Patagonia, Argentina. Methods We compared four characteristics that influence fuel flammability – fine...
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ftconicet:oai:ri.conicet.gov.ar:11336/11903 2023-10-09T21:47:16+02:00 Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands Blackhall, Melisa Veblen, Thomas T. Raffaele, Estela application/pdf http://hdl.handle.net/11336/11903 eng eng Wiley info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/jvs.12216/abstract info:eu-repo/semantics/altIdentifier/doi/10.1111/jvs.12216 http://hdl.handle.net/11336/11903 Blackhall, Melisa; Veblen, Thomas T.; Raffaele, Estela; Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands; Wiley; Journal Of Vegetation Science; 26; 1; 9-2014; 123-133 1100-9233 info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ Cattle Herbivory Fire Ecology Patagonian Shrublands Resprouting Species https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet https://doi.org/10.1111/jvs.12216 2023-09-24T18:48:08Z Question Could disturbance by fire and ungulate herbivory alter fire regimes by increasing flammability in shrublands and early-successional forests? Location Nahuel Huapi National Park, northwest Patagonia, Argentina. Methods We compared four characteristics that influence fuel flammability – fine fuel load, plant bulk density, percentage fine fuel, and percentage dead fine fuel – and the vertical distribution of live and dead fine fuel at recently burned (<15 yr) and unburned (>50 yr) sites, both in the presence and absence of cattle, for six resprouting species: non-palatable Lomatia hirsuta and Diostea juncea, moderately palatable Nothofagus antarctica and Schinus patagonicus, and highly palatable Maytenus boaria and Ribes magellanicum. Results Changes in flammability in response to recent fire, and to a lesser extent cattle browsing, were strongly dependent on species identity. Non-palatable L. hirsuta tended to increase in flammability following fire, whereas cattle did not affect its fuel properties. Nothofagus antarctica showed ambiguous responses: plants had reduced plant bulk density at recently burned sites, implying reduced flammability, but changes in percentage fine and dead fine fuel point to increasing flammability at burned sites with cattle. Diostea juncea and S. patagonicus showed increased plant bulk density at sites with cattle and increased percentage fine fuel in response to fire. Cattle browsing was the main driver of variability in flammability for highly palatable species, showing increased plant bulk density and percentage fine fuel in response to cattle. Fire had a strong effect on the vertical distribution of live and dead fine fuel, showing an increase of burnable biomass in response to recent fire. The reduction of vertical fuel continuity was extreme on highly palatable species. In contrast, moderately and non-palatable species, which are abundant under herbivore pressure, were characterized by vertically well-distributed fine fuel biomass in the presence of cattle. ... Article in Journal/Newspaper Antarc* Antarctica CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Patagonia Argentina Ribes ENVELOPE(-60.633,-60.633,-62.650,-62.650) Journal of Vegetation Science 26 1 123 133 |
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Open Polar |
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CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
Cattle Herbivory Fire Ecology Patagonian Shrublands Resprouting Species https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
spellingShingle |
Cattle Herbivory Fire Ecology Patagonian Shrublands Resprouting Species https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 Blackhall, Melisa Veblen, Thomas T. Raffaele, Estela Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands |
topic_facet |
Cattle Herbivory Fire Ecology Patagonian Shrublands Resprouting Species https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
description |
Question Could disturbance by fire and ungulate herbivory alter fire regimes by increasing flammability in shrublands and early-successional forests? Location Nahuel Huapi National Park, northwest Patagonia, Argentina. Methods We compared four characteristics that influence fuel flammability – fine fuel load, plant bulk density, percentage fine fuel, and percentage dead fine fuel – and the vertical distribution of live and dead fine fuel at recently burned (<15 yr) and unburned (>50 yr) sites, both in the presence and absence of cattle, for six resprouting species: non-palatable Lomatia hirsuta and Diostea juncea, moderately palatable Nothofagus antarctica and Schinus patagonicus, and highly palatable Maytenus boaria and Ribes magellanicum. Results Changes in flammability in response to recent fire, and to a lesser extent cattle browsing, were strongly dependent on species identity. Non-palatable L. hirsuta tended to increase in flammability following fire, whereas cattle did not affect its fuel properties. Nothofagus antarctica showed ambiguous responses: plants had reduced plant bulk density at recently burned sites, implying reduced flammability, but changes in percentage fine and dead fine fuel point to increasing flammability at burned sites with cattle. Diostea juncea and S. patagonicus showed increased plant bulk density at sites with cattle and increased percentage fine fuel in response to fire. Cattle browsing was the main driver of variability in flammability for highly palatable species, showing increased plant bulk density and percentage fine fuel in response to cattle. Fire had a strong effect on the vertical distribution of live and dead fine fuel, showing an increase of burnable biomass in response to recent fire. The reduction of vertical fuel continuity was extreme on highly palatable species. In contrast, moderately and non-palatable species, which are abundant under herbivore pressure, were characterized by vertically well-distributed fine fuel biomass in the presence of cattle. ... |
format |
Article in Journal/Newspaper |
author |
Blackhall, Melisa Veblen, Thomas T. Raffaele, Estela |
author_facet |
Blackhall, Melisa Veblen, Thomas T. Raffaele, Estela |
author_sort |
Blackhall, Melisa |
title |
Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands |
title_short |
Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands |
title_full |
Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands |
title_fullStr |
Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands |
title_full_unstemmed |
Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands |
title_sort |
recent fire and livestock browsing enhance plant-level fuel flammability in northwestern patagonian shrublands |
publisher |
Wiley |
url |
http://hdl.handle.net/11336/11903 |
long_lat |
ENVELOPE(-60.633,-60.633,-62.650,-62.650) |
geographic |
Patagonia Argentina Ribes |
geographic_facet |
Patagonia Argentina Ribes |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/jvs.12216/abstract info:eu-repo/semantics/altIdentifier/doi/10.1111/jvs.12216 http://hdl.handle.net/11336/11903 Blackhall, Melisa; Veblen, Thomas T.; Raffaele, Estela; Recent fire and livestock browsing enhance plant-level fuel flammability in northwestern Patagonian shrublands; Wiley; Journal Of Vegetation Science; 26; 1; 9-2014; 123-133 1100-9233 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
op_doi |
https://doi.org/10.1111/jvs.12216 |
container_title |
Journal of Vegetation Science |
container_volume |
26 |
container_issue |
1 |
container_start_page |
123 |
op_container_end_page |
133 |
_version_ |
1779310250017423360 |