نتایج جستجو برای: heavy metal pollution

تعداد نتایج: 368026  

2014
X. Jiang W. X. Lu H. Q. Zhao Q. C. Yang Z. P. Yang

The aim of the present study is to evaluate the potential ecological risk and trend of soil heavymetal pollution around a coal gangue dump in Jilin Province (Northeast China). The concentrations of Cd, Pb, Cu, Cr and Zn were monitored by inductively coupled plasma mass spectrometry (ICP-MS). The potential ecological risk index method developed by Hakanson (1980) was employed to assess the poten...

Journal: :The Science of the total environment 2013
Xingmei Liu Qiujin Song Yu Tang Wanlu Li Jianming Xu Jianjun Wu Fan Wang Philip Charles Brookes

Vegetable fields near villages in China are suffering increasing heavy metal damages from various pollution sources including agriculture, traffic, mining and Chinese typical local private family-sized industry. 268 vegetable samples which included rape, celery, cabbages, carrots, asparagus lettuces, cowpeas, tomatoes and cayenne pepper and their corresponding soils in three economically develo...

2012
Mehran Hoodaji Mitra Ataabadi Payam Najafi

During the last few decades, heavy metal contamination of biotic component of environment has attracted the attention of many investigators. The main reason of these researches based on the heavy metal concentration may have a potential hazard in our food chain after a long period of procrastination. Using biological materials in the determination of environmental pollution as indicators is a c...

2001
R. R. Martin T. K. Sham G Wong Won K. W. Jones H. Feng

Mining operations in the Sudbury district of northern Ontario have resulted in environmental damage caused by acid rain and heavy metal pollution. Remedial liming (Ca/MgCO3) has been used in an attempt to restore the pH of the lake water and soil to natural levels. The spatial and temporal variation of metal concentrations in the annual growth rings of trees may be a useful indicator of the eff...

2011
João Canning-Clode Paul Fofonoff Gerhardt F. Riedel Mark Torchin Gregory M. Ruiz

BACKGROUND The invasion of habitats by non-indigenous species (NIS) occurs at a global scale and can generate significant ecological, evolutionary, economic and social consequences. Estuarine and coastal ecosystems are particularly vulnerable to pollution from numerous sources due to years of human-induced degradation and shipping. Pollution is considered as a class of disturbance with anthropo...

Journal: :Environmental pollution 2007
Tapio van Ooik Markus J Rantala Irma Saloniemi

The potential capacity of larval growth and immune response traits of the autumnal moth to adapt to heavy metal polluted environment was tested experimentally. Both the relative growth rate (RGR) and pupal weight were significantly higher in control trees than on polluted trees, indicating that metal pollution prevented the insect from achieving maximal growth on birch leaves. Larval growth rat...

ژورنال: سلامت و محیط زیست 2016

Background and Objectives: The presence of industrial workshops has increased urban pollution. This study aimed to investigate the heavy metal pollutants of Yazd battery repairing workshops and to identify the ecological and environmental effects resulted. Materials and Methods: This descriptive cross-sectional study was carried out in Yazd. In this regard, the city was divided into three pa...

2016
Min Soo Jung Jae Yoon Kim Hyun Seung Lee Chul Gab Lee Han Soo Song

BACKGROUND To identify adverse renal effects due to air pollution derived from a cement plant in Korea. Urinary n-acetyl-B-glucosaminidase (U-NAG) levels in residents living near a cement plant were compared to those in a group who lived farther away from the plant. METHODS From June to August 2013 and from August to November 2014, laboratory tests for U-NAG and heavy metal were conducted on ...

2017
Mehdi Ahmadi Sahand Jorfi Amaneh Azarmansuri Nematollah Jaafarzadeh Amir Hosein Mahvi Reza Darvishi Cheshmeh Soltani Hamideh Akbari Razegheh Akhbarizadeh

Soil is an important component of life cycle affecting agriculture and food crops. Quality of soil resources is defined according to their potential impact on human health by exposure of harmful constituents through the food chain. Heavy metals especially As, Pb and Cd are among the most hazardous elements which could be released to the top soil through different wastewaters, fertilizers, herbi...

Background & Aims of the Study: Due to the increasing pollution of water resources, tow documented methods: the Heavy metal potential index (HPI) and the Heavy metal evaluation index (HEI) were evaluated for their suitability for contamination monitoring of heavy metals (As, Zn, Pb, Cd and Cu) contamination in groundwater resources of Asadabad Plain during spring and summer in 2012. Material...

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