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dc.contributor.author
Arpigiani, Daniela Fabiana
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dc.contributor.author
Chillo, María Verónica
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dc.contributor.author
Soler Esteban, Rosina Matilde
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dc.contributor.author
Amoroso, Mariano Martin
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dc.date.available
2023-07-10T13:35:59Z
dc.date.issued
2022-09-15
dc.identifier.citation
Arpigiani, Daniela Fabiana; Chillo, María Verónica; Soler Esteban, Rosina Matilde; Amoroso, Mariano Martin; Differential response of natural regeneration to silvopastoral use intensity in mixed forests of northern Patagonia, Argentina; Elsevier Science; Forest Ecology and Management; 520; 9; 15-9-2022; 1-11
dc.identifier.issn
0378-1127
dc.identifier.uri
http://hdl.handle.net/11336/202896
dc.description.abstract
Silvopastoral use (combined livestock and forestry) is widely distributed in South America's native forests. Without medium to long-term planning, this activity may affect the population dynamics of the dominant canopy tree species, resulting in forest degradation. The early stages of tree life cycles are usually the most vulnerable, so the successful establishment and development of seedlings and saplings is a key indicator of the potential for continuity of the tree layer over time. This study evaluated the effect of silvopastoral use intensity (SUI) upon the density and development of dominant tree species - Austrocedrus chilensis and Nothofagus dombeyi - along a gradient generated by spatially and temporally heterogeneous livestock activity and forest harvesting in mixed forests of northwestern Patagonia, Argentina. We monitored the survival and growth of 740 seedlings and saplings over two years (2018–2020) in three medium-sized estates SUI gradients and upland migration of livestock during the summer season. We also evaluated changes in biophysical variables that influence the tree regeneration process: light input, soil moisture, and understory vegetation structure. We found that higher SUI modifies the biophysical environment, increasing light input and horizontal understory cover. The response of saplings and seedlings to SUI was not homogenous; N. dombeyi showed significant changes in its regeneration dynamics, denoted by a decrease in the density of seedlings and an increase in the density and height growth of the saplings along the SUI gradient. Meanwhile, A. chilensis only showed tendencies to deformation by browsing (height: diameter ratio). Thus, in medium-size estates with low stocking rates and which are free of herbivory during summers; fast-growing species (e.g. N. dombeyi) could be favored by the slight canopy openings, compensating for the negative impact of browsing. However, it is necessary to monitor and potentially individually protect A. chilensis saplings until browsing height is exceeded.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AUSTROCEDRUS CHILENSIS
dc.subject
GROWTH
dc.subject
NOTHOFAGUS DOMBEYI
dc.subject
SURVIVAL
dc.subject
TEMPERATE FOREST
dc.subject.classification
Silvicultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Differential response of natural regeneration to silvopastoral use intensity in mixed forests of northern Patagonia, Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-06-30T15:19:18Z
dc.journal.volume
520
dc.journal.number
9
dc.journal.pagination
1-11
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Arpigiani, Daniela Fabiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural. - Universidad Nacional de Rio Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; Argentina
dc.description.fil
Fil: Chillo, María Verónica. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Patagonia Norte. Estación Experimental Agropecuaria San Carlos de Bariloche. Instituto de Investigaciones Forestales y Agropecuarias Bariloche. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones Forestales y Agropecuarias Bariloche; Argentina
dc.description.fil
Fil: Soler Esteban, Rosina Matilde. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Amoroso, Mariano Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural. - Universidad Nacional de Rio Negro. Instituto de Investigaciones en Recursos Naturales, Agroecología y Desarrollo Rural; Argentina
dc.journal.title
Forest Ecology and Management
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0378112722004029
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.foreco.2022.120408
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