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dc.contributor.author
Mastrangelo, Matias Enrique
dc.contributor.author
Gavin, Michael C.
dc.date.available
2018-01-30T19:47:51Z
dc.date.issued
2014-11
dc.identifier.citation
Mastrangelo, Matias Enrique; Gavin, Michael C.; Impacts of agricultural intensification on avian richness at multiple scales in Dry Chaco forests; Elsevier; Biological Conservation; 179; 11-2014; 63-71
dc.identifier.issn
0006-3207
dc.identifier.uri
http://hdl.handle.net/11336/35110
dc.description.abstract
Agricultural expansion and intensification is driving rapid landscape modification in the South American Gran Chaco, affecting biodiversity at multiple spatial scales. Research on biodiversity change in modified landscapes has focused mainly on remnant habitat patches. However, the habitat quality of the matrix is increasingly recognized as a key element for planning conservation in agricultural landscapes. We employed a multi-model selection approach to test 13 hypotheses about the influence of spatial scales and structural attributes on the richness of bird assemblages and forest specialist species within matrix types at the Argentine Dry Chaco. We selected 27 cattle ranches where six structural attributes of vegetation operating at different spatial scales (plot, edge and landscape) varied independently across a matrix intensification gradient in the agricultural frontier. We found that structural attributes operating at the plot, edge and landscape scale have significant influence on overall richness, with plot-scale attributes being more important than edge and landscape-scale attributes in driving bird occurrence in the grazing matrix. Factors operating at the plot scale had the largest influence on the richness of forest specialist species in the matrix. These results suggest that planning for the long-term conservation of Dry Chaco forests avifauna should pay attention to the effects of local agricultural management. Where further cattle production intensification cannot be avoided, implementation of highly selective clearing methods can mitigate the degradation of habitat quality for birds. Where cattle production intensification has already occurred, native tree plantings on cleared areas can restore significant bird diversity.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Frontier Landscape
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Spatial Scales
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Agricultural Matrix
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Bird Diversity
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Gran Chaco
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Silvopastoral Systems
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Impacts of agricultural intensification on avian richness at multiple scales in Dry Chaco forests
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-01-30T19:04:42Z
dc.journal.volume
179
dc.journal.pagination
63-71
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Mastrangelo, Matias Enrique. Victoria University of Wellington; Nueva Zelanda. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata; Argentina
dc.description.fil
Fil: Gavin, Michael C.. State University of Colorado - Fort Collins; Estados Unidos
dc.journal.title
Biological Conservation
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.biocon.2014.08.020
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0006320714003103
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