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首页> 外文期刊>Annals of tropical medicine and parasitology >The use of remote sensing in the identification of the eco-environmental factors associated with the risk of human visceral leishmaniasis (kala-azar) on the Gangetic plain, in north-eastern India.
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The use of remote sensing in the identification of the eco-environmental factors associated with the risk of human visceral leishmaniasis (kala-azar) on the Gangetic plain, in north-eastern India.

机译：在印度东北部恒河平原上，利用遥感技术确定与人类内脏利什曼病（黑热病）风险相关的生态环境因素。

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摘要

Human visceral leishmaniasis (VL) or kala-azar remains a major cause of mortality, particularly in the developing world. The disease is common in the internal regions of north-eastern India, which have a tropical or sub-tropical climate. In a recent study on VL in this region, the relationship between the incidence of VL and certain physio-environmental factors was explored, using a combination of a geographical information system (GIS), satellite imagery and data collected 'on the ground'. Some eco-environmental parameters were then used to map and describe the spatial heterogeneity seen in the transmission of the parasite (Leishmania donovani) that causes VL in India, and to identify those habitats, on the Gangetic plain, where the sandfly vectors might thrive. It was found that the presence of waterbodies, woodland and urban, built-up areas, soil of the fluvisol type, air temperatures of 25.0-27.5 degrees C, relative humidities of 66%-75%, and an annual rainfall of 100-<160 cm were all positively associated with the incidence of VL. A VL map was created and stratified into areas of 'risk' and 'non-risk' for the disease, based on calculations of risk indices.
机译：人内脏利什曼病（VL）或黑热病仍然是导致死亡的主要原因，尤其是在发展中国家。该病在印度东北部的热带地区或亚热带气候中很普遍。最近在该地区的VL研究中，结合地理信息系统（GIS），卫星图像和“地面”收集的数据，探索了VL的发生与某些生理环境因素之间的关系。然后，使用一些生态环境参数来绘制和描述在印度引起VL的寄生虫（利什曼原虫donovani）的传播中看到的空间异质性，并在恒河平原上识别出那些栖息地，其中fly蝇可能繁衍。发现存在水体，林地和城市，建筑密集区，氟维索尔类型的土壤，25.0-27.5摄氏度的气温，66％-75％的相对湿度和100- < 160cm均与VL的发生呈正相关。根据风险指数的计算，创建了一个VL图，并将该图分为该疾病的“风险”和“非风险”区域。

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