Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems

Autores
Toledo, Santiago; Martínez Pastur, Guillermo José; Rodriguez Souilla, Julian; Peri, Pablo Luis
Año de publicación
2025
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Different land use systems can alter the structure and function of soil microorganisms, affecting microbialmediated processes and potentially undermining consequences for soil fertility and ecosystem health. The ef­fects of land use types (LUTs) on soil microbial attributes remain poorly understood in ecosystems. Therefore, the objectives were: (i) to evaluate the responses of microbial biomass carbon (MBC) and nitrogen (MBN), MBC:MBN, soil basal respiration (SBR), microbial metabolic quotient (qCO2), and microbial quotient (qMC) to different LUTs, including primary forests (PF), silvopastoral systems (SPS) and grasslands, across an environ­mental gradient from coastal to inland sites of Southern Patagonia; and (ii) to assess the influence of Nothofagus antarctica tree canopies (canopy vs inter-canopy) on these microbial attributes. SPS maintained similar values of MBC, MBC:MBN, and qMC compared to PF, but with significant increasing SBR (40%) and qCO2 (55%) values. Grasslands decreased MBN (71 mg kg− 1), SBR (44 mg C kg− 1), and qCO2, but increased the MBC:MBN compared with PF. Inland sites at higher altitudes showed reductions in MBC (45%), MBN (28%), and MBC:MBN, and increases in qCO2 (77%) compared to inland and coastal areas at lower altitudes. Moreover, microbial variables (MBC, MBN, SBR, qCO2, and qMC) were consistently higher under tree canopies than in inter-canopy areas. These findings highlight the importance of conserving forest stands under SPS use to sustain soil microbial functions. Soil microbial attributes could serve as sensitive and effective bioindicators of soil quality and health, offering valuable tools for land use monitoring in ecosystems.
Fil: Toledo, Santiago. Instituto Nacional de Tecnología Agropecuaria; Argentina
Fil: Martínez Pastur, Guillermo José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Rodriguez Souilla, Julian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina. Universidad Nacional de la Patagonia Austral; Argentina
Materia
Soil microorganisms
Forest structure
Silvopastoral systems
Grasslands
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/270888
Acceder
id CONICETDig_c2984c8526570fb4a656b5ca44e0396a
oai_identifier_str oai:ri.conicet.gov.ar:11336/270888
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystemsToledo, SantiagoMartínez Pastur, Guillermo JoséRodriguez Souilla, JulianPeri, Pablo LuisSoil microorganismsForest structureSilvopastoral systemsGrasslandshttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4Different land use systems can alter the structure and function of soil microorganisms, affecting microbialmediated processes and potentially undermining consequences for soil fertility and ecosystem health. The ef­fects of land use types (LUTs) on soil microbial attributes remain poorly understood in ecosystems. Therefore, the objectives were: (i) to evaluate the responses of microbial biomass carbon (MBC) and nitrogen (MBN), MBC:MBN, soil basal respiration (SBR), microbial metabolic quotient (qCO2), and microbial quotient (qMC) to different LUTs, including primary forests (PF), silvopastoral systems (SPS) and grasslands, across an environ­mental gradient from coastal to inland sites of Southern Patagonia; and (ii) to assess the influence of Nothofagus antarctica tree canopies (canopy vs inter-canopy) on these microbial attributes. SPS maintained similar values of MBC, MBC:MBN, and qMC compared to PF, but with significant increasing SBR (40%) and qCO2 (55%) values. Grasslands decreased MBN (71 mg kg− 1), SBR (44 mg C kg− 1), and qCO2, but increased the MBC:MBN compared with PF. Inland sites at higher altitudes showed reductions in MBC (45%), MBN (28%), and MBC:MBN, and increases in qCO2 (77%) compared to inland and coastal areas at lower altitudes. Moreover, microbial variables (MBC, MBN, SBR, qCO2, and qMC) were consistently higher under tree canopies than in inter-canopy areas. These findings highlight the importance of conserving forest stands under SPS use to sustain soil microbial functions. Soil microbial attributes could serve as sensitive and effective bioindicators of soil quality and health, offering valuable tools for land use monitoring in ecosystems.Fil: Toledo, Santiago. Instituto Nacional de Tecnología Agropecuaria; ArgentinaFil: Martínez Pastur, Guillermo José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaFil: Rodriguez Souilla, Julian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaFil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina. Universidad Nacional de la Patagonia Austral; ArgentinaElsevier2025-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/270888Toledo, Santiago; Martínez Pastur, Guillermo José; Rodriguez Souilla, Julian; Peri, Pablo Luis; Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems; Elsevier; Total Environment Microbiology; 1; 3; 9-2025; 1-143050-6417CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S305064172500028Xinfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.temicr.2025.100028info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:34:27Zoai:ri.conicet.gov.ar:11336/270888instacron: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:34982025-10-22 11:34:27.392CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
title Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
spellingShingle Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
Toledo, Santiago
Soil microorganisms
Forest structure
Silvopastoral systems
Grasslands
title_short Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
title_full Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
title_fullStr Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
title_full_unstemmed Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
title_sort Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems
dc.creator.none.fl_str_mv Toledo, Santiago
Martínez Pastur, Guillermo José
Rodriguez Souilla, Julian
Peri, Pablo Luis
author Toledo, Santiago
author_facet Toledo, Santiago
Martínez Pastur, Guillermo José
Rodriguez Souilla, Julian
Peri, Pablo Luis
author_role author
author2 Martínez Pastur, Guillermo José
Rodriguez Souilla, Julian
Peri, Pablo Luis
author2_role author
author
author
dc.subject.none.fl_str_mv Soil microorganisms
Forest structure
Silvopastoral systems
Grasslands
topic Soil microorganisms
Forest structure
Silvopastoral systems
Grasslands
purl_subject.fl_str_mv https://purl.org/becyt/ford/4.1
https://purl.org/becyt/ford/4
dc.description.none.fl_txt_mv Different land use systems can alter the structure and function of soil microorganisms, affecting microbialmediated processes and potentially undermining consequences for soil fertility and ecosystem health. The ef­fects of land use types (LUTs) on soil microbial attributes remain poorly understood in ecosystems. Therefore, the objectives were: (i) to evaluate the responses of microbial biomass carbon (MBC) and nitrogen (MBN), MBC:MBN, soil basal respiration (SBR), microbial metabolic quotient (qCO2), and microbial quotient (qMC) to different LUTs, including primary forests (PF), silvopastoral systems (SPS) and grasslands, across an environ­mental gradient from coastal to inland sites of Southern Patagonia; and (ii) to assess the influence of Nothofagus antarctica tree canopies (canopy vs inter-canopy) on these microbial attributes. SPS maintained similar values of MBC, MBC:MBN, and qMC compared to PF, but with significant increasing SBR (40%) and qCO2 (55%) values. Grasslands decreased MBN (71 mg kg− 1), SBR (44 mg C kg− 1), and qCO2, but increased the MBC:MBN compared with PF. Inland sites at higher altitudes showed reductions in MBC (45%), MBN (28%), and MBC:MBN, and increases in qCO2 (77%) compared to inland and coastal areas at lower altitudes. Moreover, microbial variables (MBC, MBN, SBR, qCO2, and qMC) were consistently higher under tree canopies than in inter-canopy areas. These findings highlight the importance of conserving forest stands under SPS use to sustain soil microbial functions. Soil microbial attributes could serve as sensitive and effective bioindicators of soil quality and health, offering valuable tools for land use monitoring in ecosystems.
Fil: Toledo, Santiago. Instituto Nacional de Tecnología Agropecuaria; Argentina
Fil: Martínez Pastur, Guillermo José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Rodriguez Souilla, Julian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria; Argentina. Universidad Nacional de la Patagonia Austral; Argentina
description Different land use systems can alter the structure and function of soil microorganisms, affecting microbialmediated processes and potentially undermining consequences for soil fertility and ecosystem health. The ef­fects of land use types (LUTs) on soil microbial attributes remain poorly understood in ecosystems. Therefore, the objectives were: (i) to evaluate the responses of microbial biomass carbon (MBC) and nitrogen (MBN), MBC:MBN, soil basal respiration (SBR), microbial metabolic quotient (qCO2), and microbial quotient (qMC) to different LUTs, including primary forests (PF), silvopastoral systems (SPS) and grasslands, across an environ­mental gradient from coastal to inland sites of Southern Patagonia; and (ii) to assess the influence of Nothofagus antarctica tree canopies (canopy vs inter-canopy) on these microbial attributes. SPS maintained similar values of MBC, MBC:MBN, and qMC compared to PF, but with significant increasing SBR (40%) and qCO2 (55%) values. Grasslands decreased MBN (71 mg kg− 1), SBR (44 mg C kg− 1), and qCO2, but increased the MBC:MBN compared with PF. Inland sites at higher altitudes showed reductions in MBC (45%), MBN (28%), and MBC:MBN, and increases in qCO2 (77%) compared to inland and coastal areas at lower altitudes. Moreover, microbial variables (MBC, MBN, SBR, qCO2, and qMC) were consistently higher under tree canopies than in inter-canopy areas. These findings highlight the importance of conserving forest stands under SPS use to sustain soil microbial functions. Soil microbial attributes could serve as sensitive and effective bioindicators of soil quality and health, offering valuable tools for land use monitoring in ecosystems.
publishDate 2025
dc.date.none.fl_str_mv 2025-09
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/11336/270888
Toledo, Santiago; Martínez Pastur, Guillermo José; Rodriguez Souilla, Julian; Peri, Pablo Luis; Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems; Elsevier; Total Environment Microbiology; 1; 3; 9-2025; 1-14
3050-6417
CONICET Digital
CONICET
url http://hdl.handle.net/11336/270888
identifier_str_mv Toledo, Santiago; Martínez Pastur, Guillermo José; Rodriguez Souilla, Julian; Peri, Pablo Luis; Effects of land use types and spatial heterogeneity on soil microbial biomass and activity along environmental gradients in Austral ecosystems; Elsevier; Total Environment Microbiology; 1; 3; 9-2025; 1-14
3050-6417
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S305064172500028X
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.temicr.2025.100028
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv 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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score 12.982451

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