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dc.contributor.author
Loydi, Alejandro
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dc.date.available
2020-03-12T19:43:22Z
dc.date.issued
2019-03
dc.identifier.citation
Loydi, Alejandro; Effects of grazing exclusion on vegetation and seed bank composition in a mesic mountain grassland in Argentina; Taylor & Francis Ltd; Plant Ecology & Diversity; 12; 2; 3-2019; 127-138
dc.identifier.issn
1755-0874
dc.identifier.uri
http://hdl.handle.net/11336/99338
dc.description.abstract
Background: Grazing is a major factor that affects grassland composition and species richness. While the long-term effects of grazing are well documented, information about the short-term effects of grazing is necessary for adaptive conservation management. Aims: Our objective was to ascertain how this held over varying time periods after herbivore removal vs. exclosures of different ages for grassland and soil seed bank composition in the Argentine Pampas. Methods: The composition of the vegetation and the seed bank assessed in plots with 2 and 12 years of grazing exclusion and in nearby grazed areas. Multivariate analyses were used to evaluate treatment effects. Results: Grazing increased bare ground and reduced plant cover. Grazing reduced grass specific richness in the seed bank, while increased the richness and density of shrubs. The composition of the vegetation and the seed bank was not related. There was a trend whereby grazed areas were characterised by shrub species and non-palatable or annual grasses; the 2-year-old exclosures by forb species and the 12-year-old exclosures were dominated by perennial grasses. Conclusions: The removal of herbivores has changed vegetation and seed bank composition. The observed trend in reduction of species and life form diversity may be countered by controlled grazing for conservation purposes.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Taylor & Francis Ltd
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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
FERAL HORSES
dc.subject
LITTER
dc.subject
NATURAL GRASSLANDS
dc.subject
PAMPAS
dc.subject
SOIL
dc.subject
SOUTH AMERICA
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.subject.classification
Ganadería
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dc.subject.classification
Producción Animal y Lechería
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Effects of grazing exclusion on vegetation and seed bank composition in a mesic mountain grassland in 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
2020-02-26T19:39:32Z
dc.identifier.eissn
1755-1668
dc.journal.volume
12
dc.journal.number
2
dc.journal.pagination
127-138
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Loydi, 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
dc.journal.title
Plant Ecology & Diversity
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1080/17550874.2019.1593544?journalCode=tped20
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1080/17550874.2019.1593544
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