Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina
The effects of corn and wheat harvest on abundance, movement, disappearance, sex ratio and age structure of Akodon azarae were studied in cropfield-border systems. Sampling occurred both before and after harvest, in crops, in their weedy margins (borders) and in surrounding areas. The abundance of A...
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2005
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01678809_v107_n1_p95_Cavia http://hdl.handle.net/20.500.12110/paper_01678809_v107_n1_p95_Cavia |
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paper:paper_01678809_v107_n1_p95_Cavia2023-06-08T15:17:03Z Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina Cavia, Regino Gómez Villafañe, Isabel Elisa Cittadino, Emilio Alejandro Bilenca, David Norberto Miño, Mariela Haydée Busch, Maria Agroecosystems Akodon azarae Cereals Disturbance Habitat distribution Harvest Movement Rodents abundance cereal harvesting rodent spatial distribution Argentina South America Western Hemisphere World Akodon azarae The effects of corn and wheat harvest on abundance, movement, disappearance, sex ratio and age structure of Akodon azarae were studied in cropfield-border systems. Sampling occurred both before and after harvest, in crops, in their weedy margins (borders) and in surrounding areas. The abundance of A. azarae decreased in fields between before and after harvest and increased along borders. Rodents moved among habitat patches, movement being higher as a consequence of harvest. There was no difference among habitats in terms of disappearance and sex ratio but changes occurred in age structure because of harvest. In response to harvest A. azarae was able to move from crops to borders, decreasing the mortality effects. The ability to respond to habitat changes allows A. azarae to maximize fitness in periodically disturbed habitats. © 2004 Elsevier B.V. All rights reserved. Fil:Cavia, R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Gómez Villafañe, I.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cittadino, E.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bilenca, D.N. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Miño, M.H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Busch, M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2005 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01678809_v107_n1_p95_Cavia http://hdl.handle.net/20.500.12110/paper_01678809_v107_n1_p95_Cavia |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Agroecosystems Akodon azarae Cereals Disturbance Habitat distribution Harvest Movement Rodents abundance cereal harvesting rodent spatial distribution Argentina South America Western Hemisphere World Akodon azarae |
spellingShingle |
Agroecosystems Akodon azarae Cereals Disturbance Habitat distribution Harvest Movement Rodents abundance cereal harvesting rodent spatial distribution Argentina South America Western Hemisphere World Akodon azarae Cavia, Regino Gómez Villafañe, Isabel Elisa Cittadino, Emilio Alejandro Bilenca, David Norberto Miño, Mariela Haydée Busch, Maria Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina |
topic_facet |
Agroecosystems Akodon azarae Cereals Disturbance Habitat distribution Harvest Movement Rodents abundance cereal harvesting rodent spatial distribution Argentina South America Western Hemisphere World Akodon azarae |
description |
The effects of corn and wheat harvest on abundance, movement, disappearance, sex ratio and age structure of Akodon azarae were studied in cropfield-border systems. Sampling occurred both before and after harvest, in crops, in their weedy margins (borders) and in surrounding areas. The abundance of A. azarae decreased in fields between before and after harvest and increased along borders. Rodents moved among habitat patches, movement being higher as a consequence of harvest. There was no difference among habitats in terms of disappearance and sex ratio but changes occurred in age structure because of harvest. In response to harvest A. azarae was able to move from crops to borders, decreasing the mortality effects. The ability to respond to habitat changes allows A. azarae to maximize fitness in periodically disturbed habitats. © 2004 Elsevier B.V. All rights reserved. |
author |
Cavia, Regino Gómez Villafañe, Isabel Elisa Cittadino, Emilio Alejandro Bilenca, David Norberto Miño, Mariela Haydée Busch, Maria |
author_facet |
Cavia, Regino Gómez Villafañe, Isabel Elisa Cittadino, Emilio Alejandro Bilenca, David Norberto Miño, Mariela Haydée Busch, Maria |
author_sort |
Cavia, Regino |
title |
Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina |
title_short |
Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina |
title_full |
Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina |
title_fullStr |
Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina |
title_full_unstemmed |
Effects of cereal harvest on abundance and spatial distribution of the rodent Akodon azarae in central Argentina |
title_sort |
effects of cereal harvest on abundance and spatial distribution of the rodent akodon azarae in central argentina |
publishDate |
2005 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01678809_v107_n1_p95_Cavia http://hdl.handle.net/20.500.12110/paper_01678809_v107_n1_p95_Cavia |
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1768545370003996672 |