四川若尔盖县大骨节病区地质环境特征分析

An analysis of the characteristics of geological environment in the Kashin-Beck disease area in the Ruoergai County of Sichuan Province

以若尔盖县大骨节病区为例,重点分析了地形地貌、地层岩性、土壤、饮水及饮食结构与大骨节病分布之间的联系与影响。研究发现若尔盖地区大骨节病发病率与地质环境特征有着相对密切的关系,尤其村民饮用水中氟含量与发病率有显著的负相关性。本区的研究结果有力地支持大骨节病的"低氟说"理论,认为低氟是形成大骨节病的首要和主要原因。同时,建议将饮用水中F含量0.25mg/L作为研究区大骨节病是否易发的界线,从而为综合防治若尔盖县大骨节病提供地学依据。

There is a close relation ship between the human survival conditions and geological environment.Taken the Kashin-Beck Ward in the Ruoergai County as an example,this article examined the relationship between the distribution of the Kashin-Beck disease and the geological environment,lithology,topography,soil,drinking water and diet.The results show that in the Ruoergai region there is a close relationship between the Kashin-Beck disease incidence and the characteristics of the geological environment,whereas a significant negative correlation exists between the F content and the incidence of the Kashin-Beck disease.The research results strongly support＂low fluoride saying＂for the Kashin-Beck disease.The formation of low-fluoride is the primary and main reason in this Kashin-Beck disease area.In particular,suggested that F content of 0.25mg / L with drinking water,as line determining whether occur the Kashin-Beck disease in the study areas,which provides a geological base for the study of Kashin-Beck disease prevention and control.