Paulo de Tarso da Fonseca Albuquerque, Ricardo Henrique Bastos de Souza, Daiane de Oliveira Rocha, Jucilene Cavali, Alex Mota dos Santos, Jerônimo Vieira Dantas Filho
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引用次数: 0
摘要
本研究演示了巴西Rondônia州许可养鱼场的地理信息系统(GIS)。在构建GIS的基础上,结合公路网对养鱼场的位置和分布进行了空间分析;排水;到Rondônia微区,并对密度进行验证。方法学程序包括对数据库(DB)进行建模,数据库的信息来自于Rondônia para Desenvolvimento Ambiental秘书处(SEDAM/RO),该数据库包含在SPRING和ARCGIS 9 Arcmap 9.3软件中处理的许可养鱼场的参考资料。对于空间统计,采用核密度估计。主要的结果是,地理信息系统使搜索有关所研究的养鱼场的数据和信息变得快捷和容易。位于Rondônia州中部地区的冀巴拉微区密度最高,为4937.64个/单位面积。在主题图中,养鱼场表现出一定的空间依赖性,主要表现在:1 .养鱼场依赖于主要通道br364高速公路。II -鱼群被安排在水源较充足的地方,也就是说,它们依赖于水道。因此,养鱼场的定位和分布主要集中在三个微区,其中ji - parar微区占40.30%,Cacoal微区占16.02%,Ariquemes微区占15.87%。
Geotechnologies applied to geographic information system (GIS) of Fish farming in Rondônia state, Western Amazon
This research demonstrated a Geographic Information System (GIS) of licensed fish farms in Rondônia state, Brazil. Based on structuring of the GIS, spatial analyzes of location and distribution of fish farms were carried out in relation to highway network; to drainage; to microregions of Rondônia and the verification of the density. Methodological procedure consisted of modeling the Database (DB), whose information was obtained from Secretaria do Estado de Rondônia para Desenvolvimento Ambiental (SEDAM/RO), which holds the references of licensed fish farms processed in SPRING and ARCGIS 9 Arcmap 9.3 software. For spatial statistics, the Kernel density estimator was applied. The main result is the fact that GIS made it quick and easy to search for data and information about the fish farms studied. The highest density was 4937.64 fish farms per unit area in Ji-Paraná microregion, which is located in the Central region of Rondônia state. In thematic mapping, the fish farms showed some spatial dependencies, as follows: I – They depend on main access, highway BR 364. II – The cluster of fish farms is arranged where there is greater availability of water, that is, they depend on water courses. Therefore, positioning and distribution of fish farms take place in the three main microregions, Ji-Paraná 40.30% of licensed fish farms, followed by microregions of Cacoal 16.02% and Ariquemes 15.87%.
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