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dc.contributor.author
Cavagnaro, Romina Andrea
dc.contributor.author
Ripoll, M. P.
dc.contributor.author
Godeas, Alicia Margarita
dc.contributor.author
Oesterheld, Martin
dc.contributor.author
Grimoldi, Agustin Alberto
dc.date.available
2018-07-02T19:18:32Z
dc.date.issued
2017-02
dc.identifier.citation
Cavagnaro, Romina Andrea; Ripoll, M. P.; Godeas, Alicia Margarita; Oesterheld, Martin; Grimoldi, Agustin Alberto; Patchiness of grass mycorrhizal colonization in the Patagonian steppe; Academic Press Ltd - Elsevier Science Ltd; Journal of Arid Environments; 137; 2-2017; 46-49
dc.identifier.issn
0140-1963
dc.identifier.uri
http://hdl.handle.net/11336/50904
dc.description.abstract
In arid and semi-arid ecosystems vegetation is often arranged in high-density patches imbedded in an extensive matrix dominated by bare soil. This study explores the importance of vegetation pattern in the relationship between grasses and arbuscular mycorrhizal fungi (AMF). In shrub-dominated and bare-soil dominated patches of the Patagonian steppe, we quantified AMF colonization in the dominant grasses Bromus pictus, Poa ligularis, Pappostipa speciosa and Pappostipa humilis. Additionally, in the shrub-dominated patches, AMF colonization was measured in roots under the shrub canopy and off the shrub canopy. Soils in each patch type were also characterized. B. pictus showed the highest AMF colonization, followed by P. speciosa, P. humilis and P. ligularis. The shrub patch resulted to be a fertility hotspot for biological activity and soil attributes. Grass plants in the shrub patches showed in general the highest rates of AMF colonization. Conversely, we did not find consistent differences between the two types of microsites within the shrub patch. Shrub patches may be functioning as refuges for biological activity that preserve the occurrence of mycorrhizal symbiosis of grass species and alter nutrient dynamics.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Academic Press Ltd - Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Arbuscular Mycorrhizal Fungi (Amf)
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Fertility Hotspot
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Grazing
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Patch Structure
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Symbiosis
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Tussock Grasses
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Otras Ciencias Biológicas
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Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Patchiness of grass mycorrhizal colonization in the Patagonian steppe
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-19T15:54:39Z
dc.journal.volume
137
dc.journal.pagination
46-49
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Cavagnaro, Romina Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. ; Argentina. Universidad de Buenos Aires. Facultad de Agronomía. Cátedra de Botánica Sistemática; Argentina
dc.description.fil
Fil: Ripoll, M. P.. Universidad de Buenos Aires. Facultad de Agronomía; Argentina
dc.description.fil
Fil: Godeas, Alicia Margarita. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina
dc.description.fil
Fil: Oesterheld, Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. ; Argentina
dc.description.fil
Fil: Grimoldi, Agustin Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. ; Argentina
dc.journal.title
Journal of Arid Environments
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jaridenv.2016.10.013
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0140196316302002
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