Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina
- Autores
- Frate, Ludovico; Acosta, Alicia T. R.; Cabido, Marcelo Ruben; Hoyos, Laura Emilia; Carranza, Maria Laura
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The context in which a forest exists strongly influences its function and sustainability. Unveiling the multi-scale nature of forest fragmentation context is crucial to understand how human activities affect the spatial patterns of forests across a range of scales. However, this issue remains almost unexplored in subtropical ecosystems. In this study, we analyzed temporal changes (1979-2010) in forest contexts in the Argentinean dry Chaco at multiple extents. We classified forests over the last three decades based on forest context amount (Pf) and structural connectivity (Pff), which were measured using a moving window approach fixed at eight different extents (from local, ∼ 6 ha, to regional, ∼ 8300 ha). Specific multi-scale forest context profiles (for the years 1979 and 2010) were defined by projecting Pf vs. Pff mean values and were compared across spatial extents. The distributions of Pf across scales were described by scalograms and their shapes over time were compared. The amount of agricultural land and rangelands across the scales were also analyzed. The dry Chaco has undergone an intensive process of fragmentation, resulting in a shift from landscapes dominated by forests with gaps of rangelands to landscapes where small forest patches are embedded in agricultural lands. Multi-scale fragmentation analysis depicted landscapes in which local exploitation, which perforates forest cover, occurs alongside extensive forest clearings, reducing forests to small and isolated patches surrounded by agricultural lands. In addition, the temporal diminution of Pf's variability along with the increment of the mean slope of the Pf's scalograms, indicate a simplification of the spatial pattern of forest over time. The observed changes have most likely been the result of the interplay between human activities and environmental constraints, which have shaped the spatial patterns of forests across scales. Based on our results, strategies for the conservation and sustainable management of the dry Chaco should take into account both the context of each habitat location and the scales over which a forest pattern might be preserved, altered or restored.
Fil: Frate, Ludovico. Università degli Studi del Molise; Italia
Fil: Acosta, Alicia T. R.. Università degli Studi di Roma Tre; Italia
Fil: Cabido, Marcelo Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Hoyos, Laura Emilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Carranza, Maria Laura. Università degli Studi del Molise; Italia - Materia
-
FRAGMENTATION
GRAN CHACO
SCALES
FOREST LOSS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/54607
Ver los metadatos del registro completo
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Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central ArgentinaFrate, LudovicoAcosta, Alicia T. R.Cabido, Marcelo RubenHoyos, Laura EmiliaCarranza, Maria LauraFRAGMENTATIONGRAN CHACOSCALESFOREST LOSShttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The context in which a forest exists strongly influences its function and sustainability. Unveiling the multi-scale nature of forest fragmentation context is crucial to understand how human activities affect the spatial patterns of forests across a range of scales. However, this issue remains almost unexplored in subtropical ecosystems. In this study, we analyzed temporal changes (1979-2010) in forest contexts in the Argentinean dry Chaco at multiple extents. We classified forests over the last three decades based on forest context amount (Pf) and structural connectivity (Pff), which were measured using a moving window approach fixed at eight different extents (from local, ∼ 6 ha, to regional, ∼ 8300 ha). Specific multi-scale forest context profiles (for the years 1979 and 2010) were defined by projecting Pf vs. Pff mean values and were compared across spatial extents. The distributions of Pf across scales were described by scalograms and their shapes over time were compared. The amount of agricultural land and rangelands across the scales were also analyzed. The dry Chaco has undergone an intensive process of fragmentation, resulting in a shift from landscapes dominated by forests with gaps of rangelands to landscapes where small forest patches are embedded in agricultural lands. Multi-scale fragmentation analysis depicted landscapes in which local exploitation, which perforates forest cover, occurs alongside extensive forest clearings, reducing forests to small and isolated patches surrounded by agricultural lands. In addition, the temporal diminution of Pf's variability along with the increment of the mean slope of the Pf's scalograms, indicate a simplification of the spatial pattern of forest over time. The observed changes have most likely been the result of the interplay between human activities and environmental constraints, which have shaped the spatial patterns of forests across scales. Based on our results, strategies for the conservation and sustainable management of the dry Chaco should take into account both the context of each habitat location and the scales over which a forest pattern might be preserved, altered or restored.Fil: Frate, Ludovico. Università degli Studi del Molise; ItaliaFil: Acosta, Alicia T. R.. Università degli Studi di Roma Tre; ItaliaFil: Cabido, Marcelo Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Hoyos, Laura Emilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Carranza, Maria Laura. Università degli Studi del Molise; ItaliaPublic Library of Science2015-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/54607Frate, Ludovico; Acosta, Alicia T. R.; Cabido, Marcelo Ruben; Hoyos, Laura Emilia; Carranza, Maria Laura; Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina; Public Library of Science; Plos One; 10; 12; 12-20151932-6203CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0142855info:eu-repo/semantics/altIdentifier/url/http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0142855info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:54:40Zoai:ri.conicet.gov.ar:11336/54607instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:54:40.63CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
title |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
spellingShingle |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina Frate, Ludovico FRAGMENTATION GRAN CHACO SCALES FOREST LOSS |
title_short |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
title_full |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
title_fullStr |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
title_full_unstemmed |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
title_sort |
Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina |
dc.creator.none.fl_str_mv |
Frate, Ludovico Acosta, Alicia T. R. Cabido, Marcelo Ruben Hoyos, Laura Emilia Carranza, Maria Laura |
author |
Frate, Ludovico |
author_facet |
Frate, Ludovico Acosta, Alicia T. R. Cabido, Marcelo Ruben Hoyos, Laura Emilia Carranza, Maria Laura |
author_role |
author |
author2 |
Acosta, Alicia T. R. Cabido, Marcelo Ruben Hoyos, Laura Emilia Carranza, Maria Laura |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
FRAGMENTATION GRAN CHACO SCALES FOREST LOSS |
topic |
FRAGMENTATION GRAN CHACO SCALES FOREST LOSS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The context in which a forest exists strongly influences its function and sustainability. Unveiling the multi-scale nature of forest fragmentation context is crucial to understand how human activities affect the spatial patterns of forests across a range of scales. However, this issue remains almost unexplored in subtropical ecosystems. In this study, we analyzed temporal changes (1979-2010) in forest contexts in the Argentinean dry Chaco at multiple extents. We classified forests over the last three decades based on forest context amount (Pf) and structural connectivity (Pff), which were measured using a moving window approach fixed at eight different extents (from local, ∼ 6 ha, to regional, ∼ 8300 ha). Specific multi-scale forest context profiles (for the years 1979 and 2010) were defined by projecting Pf vs. Pff mean values and were compared across spatial extents. The distributions of Pf across scales were described by scalograms and their shapes over time were compared. The amount of agricultural land and rangelands across the scales were also analyzed. The dry Chaco has undergone an intensive process of fragmentation, resulting in a shift from landscapes dominated by forests with gaps of rangelands to landscapes where small forest patches are embedded in agricultural lands. Multi-scale fragmentation analysis depicted landscapes in which local exploitation, which perforates forest cover, occurs alongside extensive forest clearings, reducing forests to small and isolated patches surrounded by agricultural lands. In addition, the temporal diminution of Pf's variability along with the increment of the mean slope of the Pf's scalograms, indicate a simplification of the spatial pattern of forest over time. The observed changes have most likely been the result of the interplay between human activities and environmental constraints, which have shaped the spatial patterns of forests across scales. Based on our results, strategies for the conservation and sustainable management of the dry Chaco should take into account both the context of each habitat location and the scales over which a forest pattern might be preserved, altered or restored. Fil: Frate, Ludovico. Università degli Studi del Molise; Italia Fil: Acosta, Alicia T. R.. Università degli Studi di Roma Tre; Italia Fil: Cabido, Marcelo Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Hoyos, Laura Emilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Carranza, Maria Laura. Università degli Studi del Molise; Italia |
description |
The context in which a forest exists strongly influences its function and sustainability. Unveiling the multi-scale nature of forest fragmentation context is crucial to understand how human activities affect the spatial patterns of forests across a range of scales. However, this issue remains almost unexplored in subtropical ecosystems. In this study, we analyzed temporal changes (1979-2010) in forest contexts in the Argentinean dry Chaco at multiple extents. We classified forests over the last three decades based on forest context amount (Pf) and structural connectivity (Pff), which were measured using a moving window approach fixed at eight different extents (from local, ∼ 6 ha, to regional, ∼ 8300 ha). Specific multi-scale forest context profiles (for the years 1979 and 2010) were defined by projecting Pf vs. Pff mean values and were compared across spatial extents. The distributions of Pf across scales were described by scalograms and their shapes over time were compared. The amount of agricultural land and rangelands across the scales were also analyzed. The dry Chaco has undergone an intensive process of fragmentation, resulting in a shift from landscapes dominated by forests with gaps of rangelands to landscapes where small forest patches are embedded in agricultural lands. Multi-scale fragmentation analysis depicted landscapes in which local exploitation, which perforates forest cover, occurs alongside extensive forest clearings, reducing forests to small and isolated patches surrounded by agricultural lands. In addition, the temporal diminution of Pf's variability along with the increment of the mean slope of the Pf's scalograms, indicate a simplification of the spatial pattern of forest over time. The observed changes have most likely been the result of the interplay between human activities and environmental constraints, which have shaped the spatial patterns of forests across scales. Based on our results, strategies for the conservation and sustainable management of the dry Chaco should take into account both the context of each habitat location and the scales over which a forest pattern might be preserved, altered or restored. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-12 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/54607 Frate, Ludovico; Acosta, Alicia T. R.; Cabido, Marcelo Ruben; Hoyos, Laura Emilia; Carranza, Maria Laura; Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina; Public Library of Science; Plos One; 10; 12; 12-2015 1932-6203 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/54607 |
identifier_str_mv |
Frate, Ludovico; Acosta, Alicia T. R.; Cabido, Marcelo Ruben; Hoyos, Laura Emilia; Carranza, Maria Laura; Temporal changes in forest contexts at multiple extents: Three decades of fragmentation in the Gran Chaco (1979-2010), Central Argentina; Public Library of Science; Plos One; 10; 12; 12-2015 1932-6203 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0142855 info:eu-repo/semantics/altIdentifier/url/http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0142855 |
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info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
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Public Library of Science |
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Public Library of Science |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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