Mus musculus abundance in poultry farms: local vs spatial effects
The aim of this paper was to assess the effects of the internal and spatial (external) variables on the abundance of Mus musculus in poultry farms. The internal variables were the maintenance conditions of the farms and the number of sheds, while the external variables were related to the spatial location of each farm with respect to other farms and thus, to the probability of invasion from surrounding areas. This work was conducted on December 2004, January, September, October and December 2005 at poultry farms located at Exaltación de la Cruz, Buenos Aires Province, Argentina. If the abundance is mainly determined by the re-colonization through the displacement of the individuals, we expected the abundance of M. musculus to show an inverted relationship with the distance between farms; the abundance of M. musculus to show a positive relationship with the number of neighboring farms; as well as a correlation among the differences in abundance and the geographical distances between farms. We also expected the abundance of M. musculus to show a negative relationship with the farm maintenance condition, and a positive relationship with the number of sheds present in the farm. The only variable related to the variation in the abundance of M. musculus among farms was the maintenance condition, suggesting that the dynamics of this species in each farm is independent of the abundance in other farms, and does not depend on movements from their neighborhoods. The persistence of the population could be due to its recovery starting from the individuals who survived to the treatment that is permanently done in the farms, favored perhaps by a dense-dependent response of the reproduction or to the passive re-colonization through men.
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Asociación Argentina de Ecología
2007
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rev-ecoaus-article-14062020-11-07T22:37:42Z Mus musculus abundance in poultry farms: local vs spatial effects Abundancia de Mus musculus en granjas avícolas: efectos locales vs. efectos espaciales León, Vanina Guidobono, Juan S. Busch, María pest control colonization movements spatial autocorrelation plaga control colonización movimientos autocorrelación espacial The aim of this paper was to assess the effects of the internal and spatial (external) variables on the abundance of Mus musculus in poultry farms. The internal variables were the maintenance conditions of the farms and the number of sheds, while the external variables were related to the spatial location of each farm with respect to other farms and thus, to the probability of invasion from surrounding areas. This work was conducted on December 2004, January, September, October and December 2005 at poultry farms located at Exaltación de la Cruz, Buenos Aires Province, Argentina. If the abundance is mainly determined by the re-colonization through the displacement of the individuals, we expected the abundance of M. musculus to show an inverted relationship with the distance between farms; the abundance of M. musculus to show a positive relationship with the number of neighboring farms; as well as a correlation among the differences in abundance and the geographical distances between farms. We also expected the abundance of M. musculus to show a negative relationship with the farm maintenance condition, and a positive relationship with the number of sheds present in the farm. The only variable related to the variation in the abundance of M. musculus among farms was the maintenance condition, suggesting that the dynamics of this species in each farm is independent of the abundance in other farms, and does not depend on movements from their neighborhoods. The persistence of the population could be due to its recovery starting from the individuals who survived to the treatment that is permanently done in the farms, favored perhaps by a dense-dependent response of the reproduction or to the passive re-colonization through men. El objetivo de este trabajo fue evaluar el efecto de las variables internas y externas sobre la abundancia de Mus musculus en granjas avícolas. Consideramos como variables “internas” a aquellas características asociadas al estado de mantenimiento de la granja y a su infraestructura, y como “externas” o “espaciales” a aquellas que dependieron de la ubicación de la granja respecto a otras granjas y, por lo tanto, relacionadas a la probabilidad de invasión por roedores. El trabajo se desarrolló en diciembre 2004, enero, septiembre, octubre y diciembre de 2005 en granjas avícolas del Partido de Exaltación de la Cruz (Provincia de Buenos Aires, Argentina). El “estado de la granja” mostró una relación negativa con la abundancia de M. musculus, mientras que las otras variables fueron no significativas. No se observó concordancia entre el agrupamiento de granjas teniendo en cuenta distancias geográficas y esfuerzo de captura, ni autocorrelación espacial de la abundancia. La abundancia de M. musculus en las granjas avícolas estudiadas dependería de los efectos internos y no de los externos, por lo que el mantenimiento de las poblaciones dependería de una dinámica “in situ” y no del ingreso de individuos desde sitios vecinos, aunque también podría haber transporte pasivo por el hombre. Asociación Argentina de Ecología 2007-12-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículos application/pdf https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1406 Ecología Austral; Vol. 17 No. 2 (2007); 189-198 Ecología Austral; Vol. 17 Núm. 2 (2007); 189-198 0327-5477 1667-7838 spa https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1406/766 Derechos de autor 2020 Ecología Austral |
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America del Sur |
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Asociación Argentina de Ecología |
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spa |
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Digital |
| author |
León, Vanina Guidobono, Juan S. Busch, María |
| spellingShingle |
León, Vanina Guidobono, Juan S. Busch, María Mus musculus abundance in poultry farms: local vs spatial effects |
| author_facet |
León, Vanina Guidobono, Juan S. Busch, María |
| author_sort |
León, Vanina |
| title |
Mus musculus abundance in poultry farms: local vs spatial effects |
| title_short |
Mus musculus abundance in poultry farms: local vs spatial effects |
| title_full |
Mus musculus abundance in poultry farms: local vs spatial effects |
| title_fullStr |
Mus musculus abundance in poultry farms: local vs spatial effects |
| title_full_unstemmed |
Mus musculus abundance in poultry farms: local vs spatial effects |
| title_sort |
mus musculus abundance in poultry farms: local vs spatial effects |
| description |
The aim of this paper was to assess the effects of the internal and spatial (external) variables on the abundance of Mus musculus in poultry farms. The internal variables were the maintenance conditions of the farms and the number of sheds, while the external variables were related to the spatial location of each farm with respect to other farms and thus, to the probability of invasion from surrounding areas. This work was conducted on December 2004, January, September, October and December 2005 at poultry farms located at Exaltación de la Cruz, Buenos Aires Province, Argentina. If the abundance is mainly determined by the re-colonization through the displacement of the individuals, we expected the abundance of M. musculus to show an inverted relationship with the distance between farms; the abundance of M. musculus to show a positive relationship with the number of neighboring farms; as well as a correlation among the differences in abundance and the geographical distances between farms. We also expected the abundance of M. musculus to show a negative relationship with the farm maintenance condition, and a positive relationship with the number of sheds present in the farm. The only variable related to the variation in the abundance of M. musculus among farms was the maintenance condition, suggesting that the dynamics of this species in each farm is independent of the abundance in other farms, and does not depend on movements from their neighborhoods. The persistence of the population could be due to its recovery starting from the individuals who survived to the treatment that is permanently done in the farms, favored perhaps by a dense-dependent response of the reproduction or to the passive re-colonization through men. |
| publisher |
Asociación Argentina de Ecología |
| publishDate |
2007 |
| url |
https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1406 |
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