Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland

Autores
Moretto, Alicia Susana; Distel, Roberto Alejandro; Didone, Nilda Graciela
Año de publicación
2001
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A field experiment was conducted in a temperate semi-arid grassland of central Argentina to test the hypothesis that decomposition of and nutrient release from leaf litter and roots are faster in Poa ligularis and Stipa clarazii (high-nutrient, palatable grasses) than in S. tenuissima (low-nutrient, unpalatable grass). Leaf litter and roots of each species were incubated in 0.35 mm mesh bags for 21 months at their source sites. Leaf litter decomposition was faster (P<0.01) in the palatable than in the unpalatable species and, on average, root decomposition was faster (P<0.01) in S. clarazii than in P. ligularis and S. tenuissima. At the end of the incubation period nitrogen (N) and phosphorus (P) release from the leaf litter was higher (P<0.01) in the palatable than in the unpalatable species, whereas there was no difference (P>0.05) among species in N and P release from the roots. The results on leaf litter support the hypothesis that decomposition and nutrient release are faster in the palatable than in the unpalatable grasses, whereas the results on roots did not support this hypothesis. Moreover, since below-ground production represents the major input of new soil organic matter in the system, the N and P dynamics of roots suggest a low capacity to immobilize nutrients in both palatable and unpalatable grasses.
Fil: Moretto, Alicia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Fil: Distel, Roberto Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Fil: Didone, Nilda Graciela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Materia
Semiarid Grasslands
Nutrient Dynamics
Leaf Litter Decomposition
Root Decomposition
Palatable/Unpalatable Grasses
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/30142
Acceder
id CONICETDig_e16998dcb489b8333c3966c69d79aeda
oai_identifier_str oai:ri.conicet.gov.ar:11336/30142
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grasslandMoretto, Alicia SusanaDistel, Roberto AlejandroDidone, Nilda GracielaSemiarid GrasslandsNutrient DynamicsLeaf Litter DecompositionRoot DecompositionPalatable/Unpalatable Grasseshttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1A field experiment was conducted in a temperate semi-arid grassland of central Argentina to test the hypothesis that decomposition of and nutrient release from leaf litter and roots are faster in Poa ligularis and Stipa clarazii (high-nutrient, palatable grasses) than in S. tenuissima (low-nutrient, unpalatable grass). Leaf litter and roots of each species were incubated in 0.35 mm mesh bags for 21 months at their source sites. Leaf litter decomposition was faster (P<0.01) in the palatable than in the unpalatable species and, on average, root decomposition was faster (P<0.01) in S. clarazii than in P. ligularis and S. tenuissima. At the end of the incubation period nitrogen (N) and phosphorus (P) release from the leaf litter was higher (P<0.01) in the palatable than in the unpalatable species, whereas there was no difference (P>0.05) among species in N and P release from the roots. The results on leaf litter support the hypothesis that decomposition and nutrient release are faster in the palatable than in the unpalatable grasses, whereas the results on roots did not support this hypothesis. Moreover, since below-ground production represents the major input of new soil organic matter in the system, the N and P dynamics of roots suggest a low capacity to immobilize nutrients in both palatable and unpalatable grasses.Fil: Moretto, Alicia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; ArgentinaFil: Distel, Roberto Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; ArgentinaFil: Didone, Nilda Graciela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; ArgentinaElsevier Science2001-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/30142Moretto, Alicia Susana; Distel, Roberto Alejandro; Didone, Nilda Graciela; Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland; Elsevier Science; Applied Soil Ecology; 18; 1; 9-2001; 31-370929-1393CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0929139301001512info:eu-repo/semantics/altIdentifier/doi/10.1016/S0929-1393(01)00151-2info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:33:45Zoai:ri.conicet.gov.ar:11336/30142instacron: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 10:33:45.377CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
title Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
spellingShingle Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
Moretto, Alicia Susana
Semiarid Grasslands
Nutrient Dynamics
Leaf Litter Decomposition
Root Decomposition
Palatable/Unpalatable Grasses
title_short Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
title_full Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
title_fullStr Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
title_full_unstemmed Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
title_sort Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland
dc.creator.none.fl_str_mv Moretto, Alicia Susana
Distel, Roberto Alejandro
Didone, Nilda Graciela
author Moretto, Alicia Susana
author_facet Moretto, Alicia Susana
Distel, Roberto Alejandro
Didone, Nilda Graciela
author_role author
author2 Distel, Roberto Alejandro
Didone, Nilda Graciela
author2_role author
author
dc.subject.none.fl_str_mv Semiarid Grasslands
Nutrient Dynamics
Leaf Litter Decomposition
Root Decomposition
Palatable/Unpalatable Grasses
topic Semiarid Grasslands
Nutrient Dynamics
Leaf Litter Decomposition
Root Decomposition
Palatable/Unpalatable Grasses
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A field experiment was conducted in a temperate semi-arid grassland of central Argentina to test the hypothesis that decomposition of and nutrient release from leaf litter and roots are faster in Poa ligularis and Stipa clarazii (high-nutrient, palatable grasses) than in S. tenuissima (low-nutrient, unpalatable grass). Leaf litter and roots of each species were incubated in 0.35 mm mesh bags for 21 months at their source sites. Leaf litter decomposition was faster (P<0.01) in the palatable than in the unpalatable species and, on average, root decomposition was faster (P<0.01) in S. clarazii than in P. ligularis and S. tenuissima. At the end of the incubation period nitrogen (N) and phosphorus (P) release from the leaf litter was higher (P<0.01) in the palatable than in the unpalatable species, whereas there was no difference (P>0.05) among species in N and P release from the roots. The results on leaf litter support the hypothesis that decomposition and nutrient release are faster in the palatable than in the unpalatable grasses, whereas the results on roots did not support this hypothesis. Moreover, since below-ground production represents the major input of new soil organic matter in the system, the N and P dynamics of roots suggest a low capacity to immobilize nutrients in both palatable and unpalatable grasses.
Fil: Moretto, Alicia Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Fil: Distel, Roberto Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Fil: Didone, Nilda Graciela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
description A field experiment was conducted in a temperate semi-arid grassland of central Argentina to test the hypothesis that decomposition of and nutrient release from leaf litter and roots are faster in Poa ligularis and Stipa clarazii (high-nutrient, palatable grasses) than in S. tenuissima (low-nutrient, unpalatable grass). Leaf litter and roots of each species were incubated in 0.35 mm mesh bags for 21 months at their source sites. Leaf litter decomposition was faster (P<0.01) in the palatable than in the unpalatable species and, on average, root decomposition was faster (P<0.01) in S. clarazii than in P. ligularis and S. tenuissima. At the end of the incubation period nitrogen (N) and phosphorus (P) release from the leaf litter was higher (P<0.01) in the palatable than in the unpalatable species, whereas there was no difference (P>0.05) among species in N and P release from the roots. The results on leaf litter support the hypothesis that decomposition and nutrient release are faster in the palatable than in the unpalatable grasses, whereas the results on roots did not support this hypothesis. Moreover, since below-ground production represents the major input of new soil organic matter in the system, the N and P dynamics of roots suggest a low capacity to immobilize nutrients in both palatable and unpalatable grasses.
publishDate 2001
dc.date.none.fl_str_mv 2001-09
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/11336/30142
Moretto, Alicia Susana; Distel, Roberto Alejandro; Didone, Nilda Graciela; Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland; Elsevier Science; Applied Soil Ecology; 18; 1; 9-2001; 31-37
0929-1393
CONICET Digital
CONICET
url http://hdl.handle.net/11336/30142
identifier_str_mv Moretto, Alicia Susana; Distel, Roberto Alejandro; Didone, Nilda Graciela; Decomposition and nutrient dynamic of leaf litter and roots from palatable and unpalatable grasses in a semi-arid grassland; Elsevier Science; Applied Soil Ecology; 18; 1; 9-2001; 31-37
0929-1393
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0929139301001512
info:eu-repo/semantics/altIdentifier/doi/10.1016/S0929-1393(01)00151-2
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
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 13.070432

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