Copper concentration in the vineyard and forest topsoils. A comparative study with individual pollution indices

IF 5.4 Q1 ENVIRONMENTAL SCIENCES
Cristian Vasilică Secu, Dan Cristian Lesenciuc
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引用次数: 0

Abstract

The study objectives were to evaluate the soil pollution with Copper (Cu) for different land uses, namely the cultivated and abandoned vineyards, the stripped soil from the abandoned vineyard, and the topsoil under forest vegetation, using individual pollution indices. Soil samples were systematically collected from the A horizon in both cultivated and abandoned vineyards, and from the local forest, and from three soil profiles. To assess the soil quality, the Enrichment Factor (EF), Geoaccumulation Index (Igeo), and Pollution Index (PI) were calculated based on values obtained from soil sample analysis and various thresholds or guideline values. The individual pollution indices reveal the following sequence for Cu concentration: stripped soil in the abandoned vineyard > soil in the abandoned vineyard > soil in the cultivated vineyard > soil in the forest. When using Romanian or Finnish standards, the PI shows more variability than EF and Igeo indices, leading to different soil contamination classifications. Indices based on conservative elements and local geochemical background provide more stable results, especially for cultivated soils. The volume of treatments applied can explain the higher concentration of Cu in the abandoned vineyard compared to the cultivated one (ampelographic collection). The Specific Pollution Index provides a two-dimensional assessment of pollution through the difference in Cu concentration in the upper part of the soil in two ecosystems (viticulture and forestry), adjusted to the content of the same element in the local geochemical background.
葡萄园和森林表土中的铜浓度。与单个污染指数的比较研究
研究的目的是利用单个污染指数,评估不同土地用途(即栽培葡萄园和废弃葡萄园、从废弃葡萄园剥离的土壤以及森林植被下的表层土)的土壤铜(Cu)污染情况。从栽培葡萄园和废弃葡萄园的 A 层以及当地森林的三个土壤剖面系统地采集了土壤样本。为了评估土壤质量,根据土壤样本分析得出的数值和各种阈值或指导值,计算了富集因子 (EF)、地质累积指数 (Igeo) 和污染指数 (PI)。各个污染指数显示,铜浓度的顺序如下:废弃葡萄园中的剥离土壤;废弃葡萄园中的土壤;栽培葡萄园中的土壤;森林中的土壤。在使用罗马尼亚或芬兰标准时,PI 比 EF 和 Igeo 指数显示出更大的可变性,从而导致不同的土壤污染分类。基于保守元素和当地地球化学背景的指数能提供更稳定的结果,尤其是对种植土壤而言。与栽培土壤相比,废弃葡萄园(安培采集)中铜的浓度较高,其原因在于施用的处理量。特定污染指数通过两个生态系统(葡萄栽培和林业)中土壤上部铜浓度的差异对污染进行二维评估,并根据当地地球化学背景中相同元素的含量进行调整。
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来源期刊
Environmental and Sustainability Indicators
Environmental and Sustainability Indicators Environmental Science-Environmental Science (miscellaneous)
CiteScore
7.80
自引率
2.30%
发文量
49
审稿时长
57 days
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