نتایج جستجو برای: index of geo accumulation igeo

تعداد نتایج: 21200129  

Journal: :Earth 2022

Pawara area is a mining district in the eastern region of Cameroon. Mining generally artisanal and semi-mechanized, practiced by local miners immigrants from neighboring African countries China. The lack strict regulations control activities permits to use illegal substances, especially Hg gold separation. These expose toxic heavy metals pollution. This study highlights source concentration soi...

Journal: :iranian journal of toxicology 0
maryam mohammadi roozbahani department of the environment, ahvaz branch, islamic azad university, ahvaz, iran soheil sobhan ardakani department of the environment, hamedan branch, islamic azad university, hamedan, iran hoda karimi msc graduated in environmental sciences, young researchers & elite club, ahvaz branch, islamic azad university, ahvaz, iran rezvan sorooshnia msc graduated in environmental sciences, young researchers & elite club, ahvaz branch, islamic azad university, ahvaz, iran

background: soil serves as a major reservoir for contaminants as it can bind to various chemicals. the aim of this study was to evaluate the levels of some metals (cd, cu, fe and v) in soil samples collected from different stations of ahvaz industrial complex ii to determine the natural and anthropogenic contribution of metal in the soil. methods: this was an experimental study that carried out...

Journal: :Soil systems 2023

When residents of Volos, a city in central Greece, are trying to recall their daily life after the end quarantine due COVID-19, soil pollution survey provided valuable insights, which compared with 4-year study carried out that area before pandemic period. Using appropriate indices, namely contamination factor (CF), load index (PLI), geo-accumulation (Igeo), ecological risk (Er), and potential ...

Journal: :Environmental chemistry and ecotoxicology 2021

The increasing industrial activities, number of vehicles on road and population in large cities causes the contamination air urban environment, eventually affect human health. Therefore, aim this study was to collect soil dust samples from twelve roadside academic institutions Dhaka City, Bangladesh. One sites is control site for study. elemental (Ca, Fe, K, Ti, Sr, Zn, Zr, Rb, Cr, Ni, Pb Cu) c...

Journal: :International journal of agriculture, environment and food sciences 2023

Soil pollution refers to the contamination of soil by harmful substances that can have adverse effects on plant and animal life, it also negative affects health-being humans. The sources include industrial activities, agricultural practices, mining transportation activities. contaminants in heavy metals, pesticides, herbicides, fertilizers, petroleum products, other chemicals. These seep into a...

Journal: :Ecological Questions 2022

The present study was conducted in the SE area of phosphate plateaus (Khouribga) located central Morocco. It attempted to assess heavy metal (HM) (Cd, Cr, Cu, Pb, Zn) contamination farmland soils and their potential ecological hazard non-non-carcinogenic risks using various pollution indices, magnetic susceptibility (MS), Geographical Information System (GIS) methods. A total 41 soil samples we...

Background & Aims of the Study: Due to the increased human activities around the Agh Gel wetland, this study aimed to measured accumulations of heavy metals (Ni, Pb and Zn) in the surface sediment samples taken from this wetland. Materials & Methods: Samples were taken from 10 stations and exposed to bulk digestion and chemical partitioning. Finally, Ni, Pb and Zn conce...

Presence of toxic metals in agricultural soils can impose adverse health impact on consumers. The main purpose of this study was to determine spatial distribution of elements Fe, Sb, Mn in agriculture soils and crops of Hamedan Province in Iran. Soil samples (0-20 cm depth) were collected from an area of 2831 km2.  Iron, Antimony and Manganese in samples of soil and agricultural crop...

ژورنال: بوم شناسی آبزیان 2017

Mercury (T-Hg), as the most toxic Trace metal, can have adverse effects on the environment. In this study, the concentrations of T-Hg were investigated in surface sediments of higher and lower tidal zones of Hormozgan province coasts including the stations of Shahr Jask, Ariyan International Wetland Lagoon, Khorgorsuzan Bandar Abbas, Bostono Industrial Zone, Coastal Park of Khumir, Shahrbonderl...

Journal: :Sustainability 2022

Heavy metals in soil are a potential threat to ecosystems and human well−being. Understanding the characteristics of heavy metal pollution prediction ecological risk crucial for regional eco−environment agricultural development, especially irrigation areas. In this study, Xiaohe River Irrigation Area Loess Plateau was taken as study area, concentration, well their accumulation degree distributi...

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