ARTÍCULO
TITULO

Spatial distribution of Canola culture in the State of Paraná (Brazil) between the agricultural years of 2005 and 2009

Suzana Costa Wrublack    
Victor H.R. Prudente    
Eriverto Mercante    
Sílvia R. Machado    

Resumen

S.C. Wrublack, V.H.R. Prudente, E. Mercante, and S.R.M. Coelho. 2013. Spatial distribution of Canola culture in the State of Paraná (Brazil) between the agricultural years of 2005 and 2009. Cien. Inv. Agr. 40(3): 513-521. There are a number of crops that are viable for small farms. To increase our knowledge of the occurrence of canola cultivation in the State of Paraná, the present study aimed to identify the areas sown with canola (ha) and to examine canola production (t) during the growing seasons of 2005 to 2009. The methodology involved a literature review and analysis of spatial data from the Secretaria da Agricultura e do Abastecimento do Paraná (SEAB/PR). We used the software ArcGis 9.3 for elaboration of thematic maps of variables as well as the free software GeoDa 0.9.5-i. The identification of spatial dependence was conducted through global univariate spatial autocorrelation using Moran?s Index (I) statistic and, at a local level, using Local Indicators of Spatial Association (LISA). Spatial correlation was detected in the data on the area sown (ha) and production (t) for the canola crop. The results also indicated the possibility of expansion of cultivated areas in the State of Paraná, in addition to providing interesting options regarding the composition of systems of crop rotation and soil cover. The application of the spatial statistical areacontributed to the recognition of the evolution of the canola crop in the State of Paraná, based on the spatialization of production and sown areas in its municipalities. It is evident that most municipalities show no significant pattern, demonstrating the potential for the expansion ofsown areas in the State. For the High-High standard, it was noted that the municipalities were grouped mainly in the western and south-central State of Paraná S.C. Wrublack, V.H.R. Prudente, E. Mercante y S.R.M. Coelho. 2013. Distribución espacial del cultivo de canola en el Estado de Paraná (Brasil) entre los años agrícolas de 2005 a 2009. Cien. Inv. Agr. 40(3): 513-521. Hay varios cultivos viables para las pequeñas fincas. A fin de proporcionar un mayor conocimiento de la ocurrencia del cultivo de canola en el Estado de Paraná, el presente estudio tuvo como objetivo identificar la superficie sembrada (ha) y producción de canola (t) durante el período de 2005 a 2009. La metodología implicó en una revisión de literatura y análisis de datos espaciales del Secretaria da Agricultura e do Abastecimento do Paraná (SEAB/PR). Se utilizó el software ArcGIS 9.3 para la preparaciónde mapas temáticos de las variables y el software libre OpenGeoda 0.9.9.6. La identificación de la dependencia espacial se realizó a nivel global mediante la autocorrelación espacial univariado por intermedio de la estadística I de Moran y a nivel local por el indicador local de asociación espacial (LISA). Fue observada la existencia de correlación espacial en el área de datos sembrada (ha) y producción (t) con cultivo de canola. Los resultados también indican que el Estado de Paraná tiene un gran potencial para la expansión del cultivo, además de ser una opción interesante para componer sistemas de rotación de cultivos y la cobertura del suelo. La aplicación de la estadística espacial de área, contribuyó al reconocimiento de la evolución de los cultivos de canola en el Estado de Paraná, a través de la distribución espacial de la producción y de las superficies sembradas de los municipios. Es evidente un mayor número de municipios sin un patrón significativo, lo que demuestra el potencial de expansión de la superficie a sembrar en el Estado. En el estándar Alto-Alto, se observó que los municipios se agrupan principalmente en la región occidental y centro-sur del estado del Paraná.

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