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Potential Ecological Risk Index

Assessment of heavy metal pollution in soil of Jhajjar, Haryana India

Assessment of heavy metal pollution in soil of Jhajjar, Haryana India

... monomial ecological risk factor is in the order Cd> Pb >Cu >Ni ...high risk to ecosystem with a value of E i r 129.25. Potential ecological risk index provided a ...

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Risk Factor Assessment of Coal Mine Drainage Water on Surrounding Agricultural Soil: A Case Study at Barapukuria in Bangladesh

Risk Factor Assessment of Coal Mine Drainage Water on Surrounding Agricultural Soil: A Case Study at Barapukuria in Bangladesh

... The sediment pollution was investigated by following the concentration of nine studied trace metals such as Fe, Mn, Zn, Ni, Pb, Cu, Cd, Co and As. The factor 1.5 was introduced to minimize the effect of possible varia- ...

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Risk evaluation of heavy metals in soil in the sewage irrigation area A case study of shijiazhuang

Risk evaluation of heavy metals in soil in the sewage irrigation area A case study of shijiazhuang

... comprehensive risk potential value (RI) of heavy metals in soil in the sewage irrigation area and control area are ...of potential ecological harm is bad; the RI values of the control area is ...

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Assessment of Potential Ecological Risk of Heavy Metals in Soils from Waste Dumpsites in Military Formations in Makurdi, Nigeria

Assessment of Potential Ecological Risk of Heavy Metals in Soils from Waste Dumpsites in Military Formations in Makurdi, Nigeria

... Wet Season: The potential ecological risk index (RI) of the heavy metals in the studied waste dump soils is shown in Table 6. This indicates that the soil at the dumpsites was not heavily ...

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Distribution and Pollution Assessment of Heavy Metals in Beidaihe Near Shore  Marine Sediments

Distribution and Pollution Assessment of Heavy Metals in Beidaihe Near Shore Marine Sediments

... metals. Potential Ecological Risk index were adopted to assess the heavy metals contamination, and the assessment results indicated that the content of heavy met- als in this area is in a low ...

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Soil characterization and heavy metal pollution assessment in Orabi farms, El Obour, Egypt

Soil characterization and heavy metal pollution assessment in Orabi farms, El Obour, Egypt

... load index (PLI), ecological risk factor (Er), potential ecological risk index (PRI), and index of geoaccumulation ( I geo ...

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Assessing heavy metal pollution and potential ecological risk of  tea plantation soils

Assessing heavy metal pollution and potential ecological risk of tea plantation soils

... the potential ecological risk of tea plantation soils in southern Shaanxi Province, ...Hakanson potential ecological risk index was used based on the background levels of ...

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Copper Contamination in the Sediments of Love River Mouth, Taiwan - Volume 3 Number 1 (Feb. 2012) - IJCEA

Copper Contamination in the Sediments of Love River Mouth, Taiwan - Volume 3 Number 1 (Feb. 2012) - IJCEA

... The potential ecological risk index (PERI) is applied to evaluate the potential risk associated with the accumulation of Cu in surface ...the potential risk of one ...

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Contamination and Ecological Risk Assessment of Heavy Metal in the Sediment of Turag River, Bangladesh: An Index Analysis Approach

Contamination and Ecological Risk Assessment of Heavy Metal in the Sediment of Turag River, Bangladesh: An Index Analysis Approach

... their potential toxicity, using atomic absorption ...applying Index of geo-accumulation (Igeo), contamination factor (Cf), pollution load index (PLI) ...This index can be complemented with the ...

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Heavy metals concentration in the dumpsite soils using geo-accumulation index and ecological risk assessment

Heavy metals concentration in the dumpsite soils using geo-accumulation index and ecological risk assessment

... geo-accumulation index and the ecological risk assessment of heavy metal concentrations in dumpsites in Kogi, Nasarawa and Niger States of North Central ...safety, potential health risks and ...

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Contamination and Potential Ecological Risk of Mercury in Sediments of Kaohsiung River Mouth, Taiwan

Contamination and Potential Ecological Risk of Mercury in Sediments of Kaohsiung River Mouth, Taiwan

... A. Enrichment Factor and Geo-accumulation Index The enrichment factor (EF) is a useful tool for differentiating the man-made and natural sources of metal contamination [20]-[22]. This evaluating technique is ...

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Investigation of Heavy Metal Contamination in the Surface Sediments of Anzali wetland in North of Iran

Investigation of Heavy Metal Contamination in the Surface Sediments of Anzali wetland in North of Iran

... Geoaccumulation Index (Igeo), contamination factor (CF), Pollution load index (PLI), modified Contamination degree Index (mCd), Potential Ecological Risk (PER) Index, and ...

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Managing the Risks Faced by Indian Road Construction Projects

Managing the Risks Faced by Indian Road Construction Projects

... using risk score which depends upon only the occurrence and consequence of risk event, but it is also required to consider the current control on risk event and there is no doubt that Failure Mode ...

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Risk factors for colorectal cancer significantly vary by anatomic site

Risk factors for colorectal cancer significantly vary by anatomic site

... candidate risk factors, such as physical activity, diet, and alcohol use, were not available within the EHR used for this study, precluding exploration of the association of these factors with site-specific CRC ...

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Invader Relative Impact Potential: a new metric to understand and predict the ecological impacts of existing, emerging and future invasive alien species

Invader Relative Impact Potential: a new metric to understand and predict the ecological impacts of existing, emerging and future invasive alien species

... The per capita feeding rate of an invader may be reduced by its own and other species’ abundances through mutual interference, cannibalism and intra-guild predation (e.g. see M edoc, Spataro & Arditi 2013). In other ...

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A fuzzy pert approach to evaluate plant construction project scheduling risk under uncertain resources capacity

A fuzzy pert approach to evaluate plant construction project scheduling risk under uncertain resources capacity

... determine the reasonable earliest starting times of each activity, 3) Using fuzzy algebra method instead of fuzzy subtraction method to compute the fuzzy latest starting times and 4) Developing a project scheduling ...

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Stocks and flows of natural and human-derived capital in ecosystem services

Stocks and flows of natural and human-derived capital in ecosystem services

... Natural capital has been variously defined as the stock of phys- ical assets in the environment (water, trees, minerals, species, etc.), but also the processes (e.g. water purification, climate regulation) from which we ...

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Evaluation of ecological status of the Persian Gulf inshore waters (Hormozgan rocky bottoms) using macrophytic communities and a macroalgae biological index, EEI

Evaluation of ecological status of the Persian Gulf inshore waters (Hormozgan rocky bottoms) using macrophytic communities and a macroalgae biological index, EEI

... Nutrient enrichment from anthropogenic or natural sources is the major source of pressure in high valued transitional and coastal ecosystems, resulting in increased growth of primary producers and production of organic ...

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Occurrence, Distribution and Ecological Risk of

Occurrence, Distribution and Ecological Risk of

... biomagnification of emerging bisphenol analogues in aquatic organisms from Taihu Lake, China.. Occurrence, distribution,[r] ...

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Occurrence, Distribution and Ecological Risk of

Occurrence, Distribution and Ecological Risk of

... Keywords: bisphenol analogues; colloids; suspended particulate matter; environmental risk; water 30.. diversion project 31.[r] ...

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