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Environmental Monitoring and Assessment

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https://www.readbyqxmd.com/read/28528474/toxicity-assessment-of-ash-and-dust-from-handmade-gold-jewelry-manufacturing-workshops-in-bangladesh
#1
Arif M Sikder, Tanvir Hossain, Manzurul H Khan, M Aziz Hasan, M Fakhruzzaman, Joseph B Turner, Dmitry Pestov, Leigh S McCallister, K Maudood Elahi
Traditionally, handmade gold jewelry played a very important role in the cultural heritage of Bangladesh. Goldsmiths still are partially using ancient manufacturing process with coal fire, candle flame blowing, and nitric and sulfuric acid treatments. Such process leads to the contamination of workplace with the dust of toxic metals, acidic vapors, and particles of different natures. To evaluate contamination by particulate matter (PM), the passive particle collectors were installed in different manufacturing units for a period of 85 days at Tanti Bazar, Dhaka, Bangladesh...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28527035/comparison-of-rhizosphere-properties-as-affected-by-different-bt-and-non-bt-cotton-gossypium-hirsutum-l-genotypes-and-fertilization
#2
Maqshoof Ahamd, Waleed Mumtaz Abbasi, Moazzam Jamil, Muhammad Iqbal, Azhar Hussain, Muhammad Fakhar-U-Zaman Akhtar, Farheen Nazli
Incorporation of genetically modified crops in the cropping system raises the need for studying the effect of these crops on the soil ecosystem. The current study aimed to compare the effect of Bacillus thuringiensis (Bt)- and non-Bt-cotton (Gossypium hirsutum L.) genotypes on rhizosphere properties under fertilized and unfertilized soil conditions. One non-Bt-cotton (IUB 75) and four Bt-cotton varieties (IUB-222, MM-58, IUB-13, FH-142) were sown in a Randomized Complete Block Design (RCBD) in a factorial fashion with three replications under unfertilized (T1) and fertilized (T2 at NPK 310-170-110 kg ha(-1)) soil conditions...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28527034/simultaneous-determination-of-selected-hormones-endocrine-disruptor-compounds-and-pesticides-in-water-medium-at-trace-levels-by-gc-ms-after-dispersive-liquid-liquid-microextraction
#3
Dotse Selali Chormey, Çağdaş Büyükpınar, Fatma Turak, Okan Tarık Komesli, Sezgin Bakırdere
The need to enhance food safety has led to major advancements in pesticide productions, and though many benefits have been gained, environmental contamination has also risen from these chemicals that tend to persist in the environment. Some pesticides, together with other chemicals commonly called endocrine disruptor compounds, block the receptor sites of hormones or mimic displaced hormones, leading to imbalanced hormonal levels that result in health disorders and diseases. These chemicals occur at trace levels and are not directly detected by conventional analytical methods...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28523581/human-adenovirus-in-tissues-of-freshwater-snails-living-in-contaminated-waters
#4
J S Gularte, R Staggemeier, M Demoliner, T M S Heck, F H Heldt, R G F Ritzel, C Rigotto, A Henzel, F R Spilki
Human adenovirus (HAdV) is resistant to environment and can be used as a marker to detect fecal contamination. Considering the importance of freshwater snails in the aquatic environment, their use as concentrators for HAdV is a complementary tool for viral analysis of water. The goal of the study was to detect HAdV in snails and surface water collected from wetlands of the Sinos River (Rio Grande do Sul, Brazil) basin and to compare rates and viral loads found in both samples. HAdV was detected through real-time PCR...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28523580/chemical-characterization-of-surface-snow-in-istanbul-nw-turkey-and-their-association-with-atmospheric-circulations
#5
Asli Baysal, Hakki Baltaci, Nil Ozbek, Orhan Destanoglu, Gul Sirin Ustabasi, Gulcin Gumus
The understanding of the impurities in natural snow is important in realizing its atmospheric quality, soil characteristics, and the pollution caused to the environment. Knowledge of the occurrence of major ions and trace metals in the snow in the megacity of Istanbul is very limited. This manuscript attempts to understand the origin of major soluble ions (fluoride, acetate, formate, chlorite, chloride, nitrite, chlorate, bromide, nitrate, sulfate, phosphate, and perchlorate) and some trace metals (Fe, Mn, Cd, Co, Ni, Pb, Zn, Cu) in winter surface snow, collected in Istanbul, Turkey...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28516407/components-of-sustainability-considerations-in-management-of-petrochemical-industries
#6
Amir Aryanasl, Jamal Ghodousi, Reza Arjmandi, Nabiollah Mansouri
Sustainability comprises three pillars of social, environmental, and economic aspects. Petrochemical industry has a great inter-related complex impact on social and economic development of societies and adverse impact on almost all environmental aspects and resource depletion in many countries, which make sustainability a crucial issue for petrochemical industries. This study was conducted to propose components of sustainability considerations in management of petrochemical industries.A combination of exploratory study-to prepare a preliminary list of components of sustainable business in petrochemical industries based on review of literature and Delphi-to obtain experts' view on this preliminary list and provide a detailed list of components and sub-components that should be addressed to bring sustainability to petrochemical industries, were used...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28516406/degradation-and-adsorption-of-tralkoxydim-in-chinese-soils-and-water-sediment-environments
#7
Wen Zhu Wu, Zheng Jun Shan, De Yang Kong, Jian He
Tralkoxydim is a cyclohexanedione herbicide primarily used for gramineous weed control in China. In this paper, we present results of a tralkoxydim laboratory environmental fate study characterizing its degradation, adsorption, and mobility behavior in three different soils and two water-sediment systems (river and lake) in China. Degradation half-life of tralkoxydim in soil under aerobic conditions was 5.1, 7.7, and 7.9 days in Jiangxi red soil, Taihu paddy soil, and Northeast China black soil, respectively...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28516405/characterization-of-dissolved-organic-matter-in-an-urbanized-estuary-located-in-northeastern-brazil
#8
Maria de Lara Palmeira de Macedo Arguelho, José do Patrocínio Hora Alves, Adnívia Santos Costa Monteiro, Carlos Alexandre Borges Garcia
The Sal River estuary, which is located in the state of Sergipe, Northeastern Brazil, stands out as an urban estuary, anthropogenically impacted by untreated and treated wastewater discharge. Synchronous fluorescence spectroscopy and measurement of dissolved organic carbon (DOC) were used for characterization of dissolved organic matter (DOM) in the estuarine water. Dissolved organic carbon concentrations ranged from 7.5 to 19.0 mg L(-1) and, in general, the highest values were recorded during dry season...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28512715/management-of-rainwater-harvesting-and-its-impact-on-the-health-of-people-in-the-middle-east-case-study-from-yatta-town-palestine
#9
Ilke Celik, Lina M A Tamimi, Issam A Al-Khatib, Defne S Apul
Water-related diseases are a primary problem in Palestine where many residents revert to harvested rainwater as their primary water source due to water shortages within the area. From an environmental engineering perspective, it is already well known that certain situations (e.g., cross contamination) reduce drinking water quality and ultimately cause diseases in a population. In this study, we investigated the social practices and situations that may lead to lower disease occurrence. Towards this goal, we surveyed 382 residents in Yatta to collect data on the water-related diseases that they experienced and the specific situations that might affect the disease occurrences such as the residents' practices (i) for maintaining a high quality of cistern water, (ii) for maintaining the environment around the cistern, and (iii) for managing the wastewater...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28510105/agrochemical-loading-in-drains-and-rivers-and-its-connection-with-pollution-in-coastal-lagoons-of-the-mexican-pacific
#10
Omar Arellano-Aguilar, Miguel Betancourt-Lozano, Gabriela Aguilar-Zárate, Claudia Ponce de Leon-Hill
The state of Sinaloa in Mexico is an industrialized agricultural region with a documented pesticide usage of 700 t year(-1); which at least 17 of the pesticides are classified as moderately to highly toxic. Pollutants in the water column of rivers and drains are of great concern because the water flows into coastal lagoons and nearshore waters and thereby affects aquatic organisms. This study was done in four municipalities in the state of Sinaloa that produce food intensively. To investigate the link between pollution in the lagoons and their proximity to agricultural sites, water was sampled in three coastal lagoons and in the rivers and drains that flow into them...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28508946/using-principal-component-analysis-and-annual-seasonal-trend-analysis-to-assess-karst-rocky-desertification-in-southwestern-china
#11
Zhiming Zhang, Zhiyun Ouyang, Yi Xiao, Yang Xiao, Weihua Xu
Increasing exploitation of karst resources is causing severe environmental degradation because of the fragility and vulnerability of karst areas. By integrating principal component analysis (PCA) with annual seasonal trend analysis (ASTA), this study assessed karst rocky desertification (KRD) within a spatial context. We first produced fractional vegetation cover (FVC) data from a moderate-resolution imaging spectroradiometer normalized difference vegetation index using a dimidiate pixel model. Then, we generated three main components of the annual FVC data using PCA...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28501963/salinity-driven-decadal-changes-in-phytoplankton-community-in-the-nw-arabian-gulf-of-kuwait
#12
Turki Al-Said, Aws Al-Ghunaim, D V Subba Rao, Faiza Al-Yamani, Kholood Al-Rifaie, Ali Al-Baz
Evaluation of hydrological data obtained between 2000 and 2013 from a time series station in Kuwait Bay (station K6) and an offshore southern location (station 18) off Kuwait showed drastic increase in salinity by 6 units. We tested the hypothesis that increased salinity impacted phytoplankton community characteristics in these semiarid waters. The Arabian Gulf receives seasonal freshwater discharge in the north via Shatt Al-Arab estuary with a peak during March-July. A north to south gradient in the proportion of the freshwater exists between station A in the vicinity of Shatt Al-Arab estuary and station 18 in the southern offshore area...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28497297/assessing-the-influence-of-different-plant-species-in-drainage-ditches-on-mitigation-of-non-point-source-pollutants-n-p-and-sediments-in-the-purple-sichuan-basin
#13
Mathieu Nsenga Kumwimba, Bo Zhu, Diana Kavidia Muyembe
Three different types of ditches, each 300 m in length, were employed in this study. One vegetated constructed ditch (VCD), three natural vegetated soil ditches (NVSD), and three constructed ditches left unvegetated (UCD) as controls were investigated using simple in/out mass balances and uptake by plant species with a potential for phytoremediation and their mechanisms. Significant differences in the ditches were observed, suggesting the importance of plant species in nutrient mitigation. The removal rates of TN (total nitrogen) and TP (total phosphorus) were 64...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28497296/preferential-flow-characteristics-of-reclaimed-mine-soils-in-a-surface-coal-mine-dump
#14
Lv Gang, Li Jun, Li Yexin, Wang Ting, Liu Yazhuo, Fu Xinyang
There are a large number of macropores/tubular channels of a few centimeters and plant roots in reclaimed dump soils, which are the main reasons for the formation of soil macropores and soil preferential flow. To systematically study the morphological characteristics and variation of soil preferential flow for different reclaimed vegetations in a dump, a dye-staining experiment and physical and chemical analysis were carried out to investigate the formation mechanism and influencing factors of soil preferential flow in the vegetation restoration process...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28493183/geochemical-characterization-of-fluoride-in-water-table-salt-active-sediment-rock-and-soil-samples-and-its-possible-relationship-with-the-prevalence-of-enamel-fluorosis-in-children-in-four-municipalities-of-the-department-of-huila-colombia
#15
Stefania Martignon, Mario Omar Opazo-Gutiérrez, Möritz Velásquez-Riaño, Iván Rodrigo Orjuela-Osorio, Viviana Avila, Esperanza Angeles Martinez-Mier, María Clara González-Carrera, Jaime Alberto Ruiz-Carrizosa, Blanca Cecilia Silva-Hermida
Fluoride is an element that affects teeth and bone formation in animals and humans. Though the use of systemic fluoride is an evidence-based caries preventive measure, excessive ingestion can impair tooth development, mainly the mineralization of tooth enamel, leading to a condition known as enamel fluorosis. In this study, we investigated the geochemical characterization of fluoride in water, table salt, active sediment, rock and soil samples in four endemic enamel fluorosis sentinel municipalities of the department of Huila, Colombia (Pitalito, Altamira, El Agrado and Rivera), and its possible relationship with the prevalence of enamel fluorosis in children...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28493182/modeling-seasonal-and-spatial-contamination-of-surface-waters-and-upper-sediments-with-trace-metal-elements-across-industrialized-urban-areas-of-the-seybouse-watershed-in-north-africa
#16
Bourhane-Eddine Belabed, Abderrafik Meddour, Boudjéma Samraoui, Haroun Chenchouni
Industrialization and urbanization are the main sources of pollutions worldwide and particularly in developing countries. This study aims the determination of anthropogenic inputs with trace metals in aquatic ecosystems at the Plain of Annaba (NE Algeria), which is known as one of the largest industrial areas in Africa. Samples of surface waters and upper sediments were conducted in six stations: four in Meboudja wadi and two in Seybouse wadi. Contents of iron, copper, chromium, nickel, zinc, and manganese were measured by atomic absorption spectrophotometry, whereas Cd and Pb were determined using electrothermal atomic absorption spectrometry...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28493181/assessment-of-hydrogen-sulfide-emission-from-a-sewage-treatment-plant-using-aermod
#17
Mahad Baawain, Abdullah Al-Mamun, Hamid Omidvarborna, Abdullah Al-Jabri
Air quality modeling plays an important role in prediction of air pollutants in urban areas. Moreover, it is also an essential component to make crucial decisions in environmental management. In this study, environmental protection agency (EPA) regulatory model (AERMOD) was implemented in order to assess the urban air quality in the city of Muscat, Sultanate of Oman. Dispersion modeling was employed for the prediction of hydrogen sulfide (H2S) emissions, a neighborhood claimed issue, from Al-Ansab sewage treatment plant (STP)...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28488227/ecophysiological-evaluation-of-tree-species-for-biomonitoring-of-air-quality-and-identification-of-air-pollution-tolerant-species
#18
Abhishek Sen, Indrani Khan, Debajyoti Kundu, Kousik Das, Jayanta Kumar Datta
Identification of tree species that can biologically monitor air pollution and can endure air pollution is very much important for a sustainable green belt development around any polluted place. To ascertain the species, ten tree species were selected on the basis of some previous study from the campus of the University of Burdwan and were studied in the pre-monsoon and post-monsoon seasons. The study has been designed to investigate biochemical and physiological activities of selected tree species as the campus is presently exposed to primary air pollutants and their impacts on plant community were observed through the changes in several physical and biochemical constituents of plant leaves...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28488226/the-prevalence-of-antibiotic-resistant-bacteria-arb-in-waters-of-the-lower-ballona-creek-watershed-los-angeles-county-california
#19
Stephanie Kawecki, Gary Kuleck, John H Dorsey, Christopher Leary, Michelle Lum
Screening for the prevalence of antibiotic-resistant bacteria (ARB) was done at the Ballona Creek and Wetlands, an urban-impacted wetland system in Los Angeles, California. The goals were (1) to assess the overall prevalence of ARB, and (2) compare differences in ARB abundance and the types of antibiotic resistance (AR) among the following sample types: lagoon water from Del Rey Lagoon, urban runoff from Ballona Creek, and water from the Ballona Wetlands (tidal water flooding in from the adjacent estuary, and ebbing out from the salt marsh)...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28488225/distribution-and-bioaccessibility-of-metals-in-urban-soils-of-kumasi-ghana
#20
Godfred Darko, Matt Dodd, Marian Asantewah Nkansah, Eugene Ansah, Yaw Aduse-Poku
To assess the potential risk associated with incidental ingestion of metal contaminants in soils from areas where most of the commercial activities are concentrated in Kumasi, Ghana, total and bioaccessible concentrations of metals were determined in surface soil samples. Arsenic, Cr, Cu, Pb, and Zn in some of the samples exceeded international environmental soil quality guidelines. The use of geoaccumulation and enrichment factor indices also indicated high contamination in select areas of the commercial hub...
June 2017: Environmental Monitoring and Assessment
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