INCIDENCE OF HEAVY METALS IN WATER, SOIL, ALFALFA (MEDICAGO SATIVA L.) AND SHEEP (OVIS ARIES L.) ALONG THE QUILCA - VITOR - CHILI BASIN IN AREQUIPA, PERU

IF 0.9 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Carpathian Journal of Earth and Environmental Sciences Pub Date : 2022-02-01 DOI:10.26471/cjees/2022/017/197
Omar BELLIDO VALENCIA, Juan José Alca, María de los Ángeles NÚÑEZ ALBERCA
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引用次数: 1

Abstract

The concentration of heavy metals (Cd, Cu, Cr, Fe, Hg, Pb, Zn) and arsenic was determined in water, soil and alfalfa samples in three sites (Congata, Uchumayo and Vitor) located along the Quilca - Vitor - Chili River, near the city of Arequipa, Peru. The content of these elements was also analysed in samples of alfalfa at different times of being planted (1 to 3 months) in Congata. Alfalfa planted in three other locations (Quiscos, Yarabamba and La Joya) upstream and downstream of the first three was also analysed. To determine the concentration of heavy metals in sheep, measurements were made on liver and kidney samples from animals farmed in the first three sites. The concentration of metals and arsenic in the water samples was lower than the Peruvian environmental quality standards, except for Hg in Vitor (0.0001 mg L-1). The Cd content in the soil at all three sites (62.01 - 381.94 mg kg-1) was well above the EQS for agricultural, commercial or industrial soils. The Cd content in the alfalfa samples grown in the same soils was higher than that observed in the samples from Quiscos, Yarabamba and La Joya. The estimated daily intake values (EDI) for metals detected in sheep kidneys and liver (Fe, Cu, Zn) were below the provisional maximum tolerable daily intakes (PMTDI) for children and adults, while the target hazard quotient (THQ) and total THQ of these elements were less than 1, indicating that their consumption would not have an adverse health effect.
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重金属在水、土壤、紫花苜蓿中的含量绵羊(羊羊)沿着秘鲁阿雷基帕的奎尔卡-维特-辣椒盆地
在秘鲁阿雷基帕市附近的奎尔卡-维托-奇利河沿岸的三个地点(Congata、Uchumayo和Vitor),测定了水、土壤和苜蓿样品中重金属(Cd、Cu、Cr、Fe、Hg、Pb、Zn)和砷的浓度。还分析了康加塔不同种植时间(1-3个月)苜蓿样品中这些元素的含量。还分析了前三个地点上游和下游的其他三个地点(Quiscos、Yarabanba和La Joya)种植的苜蓿。为了测定绵羊体内的重金属浓度,对前三个地点饲养的动物的肝脏和肾脏样本进行了测量。除氟橡胶中的汞(0.0001 mg L-1)外,水样中的金属和砷浓度低于秘鲁环境质量标准。三个地点土壤中的Cd含量(62.01-381.94 mg kg-1)均远高于农业、商业或工业土壤的EQS。在相同土壤中生长的苜蓿样品中的镉含量高于在Quiscos、Yarabanba和La Joya的样品中观察到的镉含量。在绵羊肾脏和肝脏中检测到的金属(Fe、Cu、Zn)的估计日摄入量(EDI)低于儿童和成人的临时最大可耐受日摄入量(PMDDI),而这些元素的目标危险商(THQ)和总THQ小于1,表明食用这些元素不会对健康产生不利影响。
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来源期刊
CiteScore
2.30
自引率
25.00%
发文量
42
审稿时长
12-24 weeks
期刊介绍: The publishing of CARPATHIAN JOURNAL of EARTH and ENVIRONMENTAL SCIENCES has started in 2006. The regularity of this magazine is biannual. The magazine will publish scientific works, in international purposes, in different areas of research, such as : geology, geography, environmental sciences, the environmental pollution and protection, environmental chemistry and physic, environmental biodegradation, climatic exchanges, fighting against natural disasters, protected areas, soil degradation, water quality, water supplies, sustainable development.
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