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首页> 外文期刊>Journal of King Saud University >Open dumping of municipal solid waste and its hazardous impacts on soil and vegetation diversity at waste dumping sites of Islamabad city
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Open dumping of municipal solid waste and its hazardous impacts on soil and vegetation diversity at waste dumping sites of Islamabad city

机译：伊斯兰堡市垃圾场的城市生活垃圾露天倾倒及其对土壤和植被多样性的危害

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Deteriorating soil quality and decrease in vegetation abundance are grave consequences of open waste dumping which have resulted in growing public concern. The focus of this study is to assess the contribution of open waste dumping in soil contamination and its effect on plant diversity in one of the renowned green cities of Pakistan. Surface soil samples ( n = 12 + 12) were collected from both the open waste dumping areas allocated by Capital Development Authority (CDA) and sub- sectors of H-belt of Islamabad city (representative of control site). The diversity of vegetation was studied at both sampling sites. Significant modifications were observed in the soil properties of the dumping sites. Soils at the disposal sites showed high pH, TDS and EC regime in comparison to control sites. Various heavy metal concentrations i.e., Lead (Pb), Copper (Cu), Nickel (Ni), Chromium (Cr) and Zinc (Zn) were also found to be higher at the dumping sites except for Cadmium (Cd) which had a higher value in control site. A similar trend was observed in plant diversity. Control sites showed diversified variety of plants i.e., 44 plant species while this number reduced to only 32 plant species at the disposal sites. This is attributed to changes in soil characteristics at disposal sites and in its vicinity areas.
机译：土壤质量恶化和植被丰度下降是露天废物倾倒的严重后果，已引起公众越来越多的关注。这项研究的重点是评估露天垃圾场对土壤污染的贡献及其对巴基斯坦著名的绿色城市之一植物多样性的影响。从首都发展局（CDA）分配的露天废物倾倒区和伊斯兰堡市H型带子分区（控制点代表）中收集地表土壤样品（n = 12 + 12）。在两个采样点都研究了植被的多样性。观察到倾倒场的土壤性质发生了重大变化。与对照地点相比，处置地点的土壤显示出较高的pH，TDS和EC状况。在倾倒场所，除镉（Cd）含量较高外，各种重金属浓度，例如铅（Pb），铜（Cu），镍（Ni），铬（Cr）和锌（Zn）也较高。在控制站点中的价值。在植物多样性中也观察到了类似的趋势。对照地点显示出多种植物，即44种植物，而在处置地点该数目减少到仅32种。这归因于处置场所及其附近地区土壤特性的变化。

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