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Spatiotemporal distribution and human health risk assessment of potential toxic species in soils of urban and surrounding crop fields from an agricultural area, Córdoba, Argentina
Environmental Monitoring and Assessment ( IF 3 ) Pub Date : 2021-09-18 , DOI: 10.1007/s10661-021-09358-7
Mara C Avendaño 1 , Miriam E Palomeque 1 , Pablo Roqué 2 , Andrea Lojo 1 , Mariano Garrido 3
Affiliation  

The spatiotemporal distribution of potentially toxic species was studied in the topsoil of parks, playgrounds, and surrounding crop fields of Marcos Juarez City in Córdoba province, Argentina. The content of available metals and of some pesticides used in the region was determined. The mean values of available metal concentrations in all samples, expressed in mg kg−1, were 7.99 ± 6.58, 0.89 ± 0.71, 0.35 ± 0.26, and 1.50 ± 1.40 for Pb, Cr, Cd, and Ni, respectively. Pearson’s correlation coefficients, coefficient of variation (%), and principal component analysis were used to explore whether variations in metal content were associated with anthropogenic factors. Agrochemicals such as lindane, chlorobenzilate, endosulfan, endrin, permethrin, and chlorpyrifos were found in crop field soil samples. In turn, chlorothalonil, chlordanes, methoxychlor, DDT, permethrin, and chlorpyrifos were detected in park and playground soil samples. The degree of pollution with possible effects on environmental health was evaluated using the Nemerow integrated pollution index (NIPI) and the modified degree of contamination (mCd). In some campaigns, the values obtained from crop fields ranged from low to high pollution levels during periods of agrochemical application. Noteworthy, in periods of low agrochemical application in crop fields, a high level of pollution was observed in parks and playgrounds. For children, the hazard index (HI) values were higher than the threshold value of 1, suggesting a potential health risk. This study provides valuable information regarding land management practices and highlights the importance of monitoring and implementing policies to reduce human health risks.



中文翻译:

阿根廷科尔多瓦农业区城市和周边农田土壤中潜在有毒物种的时空分布和人类健康风险评估

在阿根廷科尔多瓦省马科斯华雷斯市的公园、操场和周围农田的表土中研究了潜在有毒物种的时空分布。确定了该地区使用的可用金属和一些农药的含量。所有样品中可用金属浓度的平均值,以 mg kg -1表示,Pb、Cr、Cd 和 Ni 分别为 7.99 ± 6.58、0.89 ± 0.71、0.35 ± 0.26 和 1.50 ± 1.40。使用 Pearson 相关系数、变异系数 (%) 和主成分分析来探讨金属含量的变化是否与人为因素有关。在农田土壤样品中发现了林丹、氯苯甲酸、硫丹、异狄氏剂、氯菊酯和毒死蜱等农用化学品。反过来,在公园和操场土壤样本中检测到百菌清、氯丹、甲氧氯、滴滴涕、氯菊酯和毒死蜱。使用 Nemerow 综合污染指数 (NIPI) 和修正的污染程度 (mCd) 评估可能对环境健康产生影响的污染程度。在一些活动中,在农用化学品施用期间,从农田获得的数值从低到高的污染水平不等。值得注意的是,在农田中农药施用量较低的时期,公园和操场上的污染程度很高。对于儿童,危害指数 (HI) 值高于阈值 1,表明存在潜在的健康风险。这项研究提供了有关土地管理实践的宝贵信息,并强调了监测和实施政策以减少人类健康风险的重要性。

更新日期:2021-09-19
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