试论南昌—莲塘一带土壤环境地球化学特征及其环境质量

通过对南昌——莲塘一带沉积环境、成土母质、土壤化学组分及酸碱性、土壤类型等特征的综合研究,指出区内土壤的成土母质存在一定的相近性,但受人为因素的影响,表土中大部分元素的分布、分配是不均匀的,可将本区划分为“一高两低”三个环境地球化学区;同时查明了该区土壤环境现状,对土壤环境质量进行了初步评价,认为区内土壤环境污染主要与人类活动有关,城区污染重于郊区,菜地污染重于农田。最后提醒人们应广泛关注该区的土壤环境质量,尽早采取有关举措,排除“化学定时炸弹”给人类造成的极大伤害。

SOIL GEOCHEMICAL CHARACTERISTIC AND ENVIRONMENT QUALITY IN NANCHANG-LIANTANG REGION

Based on the comprehensive studies of sedimentary environment, soil parent material, soil chemical component and acid-alkaline properties, and soil types in Nanchang-Liantang region, the author points out that there is definite similarity of soil parent material in the region. The majority of the elements in the surface soil are not well-distributed in the region because of the man-made effects, so three environment geochemical regions of "one-high and two-low" may be divided. Meanwhile, the present situation of the soil environment has been found and a preliminary evaluation on the quality of the soil environment was made. It is believed that the pollutions of the soil environment in the region have many relations with mankind activities. The pollution in the city is more serious than that of suburbs, and the pollution in vegetable plots is more serious than that of croplands. At last, it is reminded that the soil environment quality in this region should be paid close attention and the concerned actions should be adopted as soon so possible to eliminate "chemical bomb" before its causing a great harm to human being.