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Environmental Monitoring and Assessment

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https://www.readbyqxmd.com/read/27909849/monitoring-contaminants-of-emerging-concern-from-tertiary-wastewater-treatment-plants-using-passive-sampling-modelled-with-performance-reference-compounds
#1
Tamanna Sultana, Craig Murray, M Ehsanul Hoque, Chris D Metcalfe
The Lake Simcoe watershed in Ontario, Canada is an important recreational area and a recharge zone for groundwater resources. Lake Simcoe is a relatively shallow lotic system that has been impacted by urban development, recreation, industry and agriculture. As part of a watershed management plan, six wastewater treatment plants (WWTPs) located in this catchment basin were selected to measure the inputs of contaminants of emerging concern (CECs) of wastewater origin. These WWTPs were recently upgraded to tertiary treatment for phosphorus removal...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27900656/assessment-of-land-use-land-cover-dynamics-of-tso-moriri-lake-a-ramsar-site-in-india
#2
Sharad Kumar Gupta, Dericks Praise Shukla
Wetlands accounts for 6% area of the Earth's land cover and nearly 17% of the Hindu Kush Himalayan region. They are of utmost importance to climate dynamics and are critical links between terrestrial and aquatic ecosystems. Despite the need of high attention towards conserving and managing wetland resources, mapping them is a least practiced activity. This study shows the temporal change in land use and land cover pattern of Tso Moriri Lake, the highest altitude lake in India and designated as Ramsar site in year 2002, using multi-sensor and multi-date imagery...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27900655/monitoring-and-assessment-of-soil-erosion-at-micro-scale-and-macro-scale-in-forests-affected-by-fire-damage-in-northern-iran
#3
Ali Akbarzadeh, Shoja Ghorbani-Dashtaki, Mehdi Naderi-Khorasgani, Ruth Kerry, Ruhollah Taghizadeh-Mehrjardi
Understanding the occurrence of erosion processes at large scales is very difficult without studying them at small scales. In this study, soil erosion parameters were investigated at micro-scale and macro-scale in forests in northern Iran. Surface erosion and some vegetation attributes were measured at the watershed scale in 30 parcels of land which were separated into 15 fire-affected (burned) forests and 15 original (unburned) forests adjacent to the burned sites. The soil erodibility factor and splash erosion were also determined at the micro-plot scale within each burned and unburned site...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27896584/soil-contamination-assessment-for-pb-zn-and-cd-in-a-slag-disposal-area-using-the-integration-of-geochemical-and-microbiological-data
#4
Mariana Consiglio Kasemodel, Jacqueline Zanin Lima, Isabel Kimiko Sakamoto, Maria Bernadete Amancio Varesche, Julio Cesar Trofino, Valéria Guimarães Silvestre Rodrigues
Improper disposal of mining waste is still considered a global problem, and further details on the contamination by potentially toxic metals are required for a proper assessment. In this context, it is important to have a combined view of the chemical and biological changes in the mining dump area. Thus, the objective of this study was to evaluate the Pb, Zn and Cd contamination in a slag disposal area using the integration of geochemical and microbiological data. Analyses of soil organic matter (SOM), pH, Eh, pseudo-total concentration of metals, sequential extraction and microbial community by polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) were conducted...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27896583/use-of-ultra-high-spatial-resolution-aerial-imagery-in-the-estimation-of-chaparral-wildfire-fuel-loads
#5
Ian T Schmidt, John F O'Leary, Douglas A Stow, Kellie A Uyeda, Phillip J Riggan
Development of methods that more accurately estimate spatial distributions of fuel loads in shrublands allows for improved understanding of ecological processes such as wildfire behavior and postburn recovery. The goal of this study is to develop and test remote sensing methods to upscale field estimates of shrubland fuel to broader-scale biomass estimates using ultra-high spatial resolution imagery captured by a light-sport aircraft. The study is conducted on chaparral shrublands located in eastern San Diego County, CA, USA...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27896582/effect-of-irrigation-on-soil-health-a-case-study-of-the-ikere-irrigation-project-in-oyo-state-southwest-nigeria
#6
M A Adejumobi, G O Awe, T P Abegunrin, O M Oyetunji, T S Kareem
Irrigated agriculture is one of the significant contributors to the food security of the millennium development goals (MDGs); however, the modification of soil matrix by irrigation could alter the overall soil health due to changes in soil properties and processes. The objective of the study was to evaluate the effect of irrigation on soil quality status of the Ikere center pivot irrigation project site in Oyo State, southwest Nigeria. Disturbed soil samples were collected from 0 to 30, 30 to 60, and 60 to 90-cm layers from four different sites in three replicates, within the project location for the determination of soil bio-chemical properties...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27853967/the-bioconcentration-ability-of-heavy-metal-research-for-50-kinds-of-rice-under-the-same-test-conditions
#7
Wen-Juan Xie, Lei Che, Guang-Yu Zhou, Li-Na Yang, Min-Yu Hu
The aims of this experiment are to explore the accumulation of metal contamination of different varieties of rice planted in paddy fields and to provide a basis for the further research. The rice specimens were grown in and collected from a total area of 8.24 acres of rice planting fields where local farmers cultivated 50 different kinds of rice. The crops were grown using the methods of seedling, transplanting, fertilizing, and irrigation, under the guidance of professional and technical personnel. The 50 kinds of paddy rice contain 20 kinds of conventional rice, 15 kinds of two-line hybrid rice, 15 kinds of three-line hybrid rice, and the whole experiment lasted 100 days...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27853965/non-occupational-exposure-to-heavy-metals-of-the-residents-of-an-industrial-area-and-biomonitoring
#8
Luigi Vimercati, Antonio Baldassarre, Maria F Gatti, Tommaso Gagliardi, Maria Serinelli, Luigi De Maria, Antonio Caputi, Angelica A Dirodi, Ida Galise, Francesco Cuccaro, Giorgio Assennato
In areas at high environmental risk, a major issue is the assessment of the exposure of the general population to industrial pollutants. To date, few studies have investigated exposure to heavy metals in a population residing in a high risk environmental area. The aim of this study is to evaluate the exposure to heavy metals in the industrial area of Taranto, Southern Italy, through biological monitoring techniques. We measured the levels of inorganic arsenic and methylated metabolites, lead, cadmium, chromium, and manganese in the urine samples of 279 subjects residing in Taranto and neighboring areas...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27838877/mercury-concentration-in-the-feathers-of-birds-from-various-trophic-levels-in-fereydunkenar-international-wetland-iran
#9
Mousa Ahmadpour, Li Lan-Hai, Mohsen Ahmadpour, Seyed Hamid Hoseini, Abdolreza Mashrofeh, Łukasz J Binkowski
Mercury (Hg) is one of the main global pollutants that may biomagnify in food nets, especially in wetlands. Birds may be useful in the biomonitoring of Hg in such habitats and may even serve in vivo samples. This paper examined Hg concentration in the feathers of seven bird species foraging on Fereydunkenar International wetland (in 2013). Mean Hg concentrations found ranged from 0.005 ± 0.002 μg g(-1) d.w. (dry weight) (Common hoopoe) to 0.38 ± 0.047 μg g(-1) d.w. (Greylag goose). Significant differences in Hg concentrations were noted between bird species as well as between trophic levels (one-way ANOVAs, p < 0...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27640162/erratum-to-hydrogeochemical-investigations-in-a-drained-lake-area-the-case-of-xynias-basin-central-greece
#10
Nikos Charizopoulos, Eleni Zagana, Georgios Stamatis
No abstract text is available yet for this article.
October 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27581005/erratum-to-the-influence-of-the-earthworm-lampito-mauritii-kinberg-on-the-activity-of-selected-soil-enzymes-in-cadmium-amended-soil
#11
S Sivakumar, D Prabha, S Barathi, D Nityanandi, C V Subbhuraam, T Lakshmipriya, Seralathan Kamala-Kannan, S H Jang, P I Yi
No abstract text is available yet for this article.
September 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27170356/erratum-to-hydrogeochemical-and-isotopic-tracers-for-identification-of-seasonal-and-long-term-over-exploitation-of-the-pleistocene-thermal-waters
#12
Nina Rman
No abstract text is available yet for this article.
June 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27129598/assessment-of-electromagnetic-field-levels-from-surrounding-high-tension-overhead-power-lines-for-proposed-land-use
#13
E Al-Bassam, A Elumalai, A Khan, L Al-Awadi
The surrounding outdoor environment for new development has a big effect on the indoor quality of life. The main aim of this work was to determine the suitability of the area for building new schools with reference to electromagnetic field (EMF) effects. The specific objective of this study was to detect the safe distance from the EMF posed by the high-tension overhead power lines in the vicinity of the specified area. The measurements were taken for both the electric and magnetic fields in different months in order to detect the highest EMF levels during the peak power load season...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27129597/the-generic-impact-scoring-system-giss-a-standardized-tool-to-quantify-the-impacts-of-alien-species
#14
Wolfgang Nentwig, Sven Bacher, Petr Pyšek, Montserrat Vilà, Sabrina Kumschick
Alien species can exert negative environmental and socio-economic impacts. Therefore, administrations from different sectors are trying to prevent further introductions, stop the spread of established species, and apply or develop programs to mitigate their impact, to contain the most harmful species, or to eradicate them if possible. Often it is not clear which of the numerous alien species are most important in terms of damage, and therefore, impact scoring systems have been developed to allow a comparison and thus prioritization of species...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27126439/persistence-of-fipronil-residues-in-eucalyptus-seedlings-and-its-concentration-in-the-insecticide-solution-after-treatment-in-the-nursery
#15
Alexandre dos Santos, Ronald Zanetti, Juliana Cristina dos Santos, Gabriel Biagiotti, André Luís Evangelista, José Eduardo Serrão, José Cola Zanuncio
Eucalyptus seedlings are normally protected from underground termites (Isoptera: Termitidae) by immersing them in insecticide solutions. Fipronil (phenylpyrazole) is the most frequently used product to protect seedlings in the field for up to 6 months after application. This is performed just prior to planting. However, the persistence of this product in seedlings that are treated and subjected to irrigation several days prior to planting has not yet been evaluated. This study aims to quantify the fipronil concentration in the substratum and roots of the seedlings treated and subjected to irrigation for up to 56 days prior to planting and to quantify this insecticide concentration in the solutions, without continuous stirring, for 120 min...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27126438/toxic-heavy-metals-in-sediments-seawater-and-molluscs-in-the-eastern-and-western-coastal-waters-of-guangdong-province-south-china
#16
Ling Zhang, Zhen Shi, Jingping Zhang, Zhijian Jiang, Fei Wang, Xiaoping Huang
Heavy metal concentrations and distribution were studied in sediments, seawater, and molluscs, and the possible heavy metal sources in the coastal waters of Guangdong Province, South China were discussed. The results showed that the concentrations of Cu, Pb, Zn, and Cr in sediments in eastern coastal waters were generally higher than those in the western coastal waters. However, concentrations of most metals in seawater and molluscs in western waters were higher than in the eastern waters, which was tightly related to the local economics and urbanization development, especially, the different industrial structure in two regions...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27121169/histopathological-alterations-biochemical-responses-and-acetylcholinesterase-levels-in-clarias-gariepinus-as-biomarkers-of-exposure-to-organophosphates-pesticides
#17
V F Doherty, M K Ladipo, I A Aneyo, A Adeola, W Y Odulele
Organophosphate pesticides, commonly used in large scale farming, have been found to be major contaminants in aquatic environment. Clarias gariepinus was exposed to acute and sublethal concentrations of phostoxin and DD Force to evaluate single and joint action toxicity of the organophosphates. Effects of phostoxin and DD force on antioxidant enzymes, fish organs and acetylcholinesterase levels in fingerlings and juveniles of C. gariepinus were also investigated. The lethal concentrations (96 h LC50) for phostoxin and DD Force were 0...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27117445/assessment-of-eco-environmental-quality-of-western-taiwan-straits-economic-zone
#18
He Ma, Longyu Shi
Regional eco-environmental quality is the key and foundation to the sustainable socio-economic development of a region. Eco-environmental quality assessment can reveal the capacity of sustainable socio-economic development in a region and the degree of coordination between social production and the living environment. As part of a new development strategy for Fujian Province, the Western Taiwan Straits Economic Zone (hereafter referred to as the Economic Zone) provides an important guarantee for the development of China's southeastern coastal area...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27117444/metals-in-sediments-bioavailability-and-toxicity-in-a-tropical-reservoir-used-for-public-water-supply
#19
Sheila Cardoso-Silva, Daniel Clemente Vieira Rego Da Silva, Fernanda Lage, Teresa Cristina Brazil de Paiva, Viviane Moschini-Carlos, André Henrique Rosa, Marcelo Pompêo
Sediments may be a repository of contaminants in freshwater ecosystems. One way to assess the quality of this compartment, in terms of potentially bioavailable metals, is by the analysis of acid-volatile sulfide (AVS) and simultaneously extracted metals (SEM). In order to investigate the bioavailability, toxicity, and compartmentalization of different metals (Cd, Cr, Cu, Ni, Pb, Zn), sampling of surface sediments was performed at nine stations along the Paiva Castro reservoir (São Paulo, Brazil). The metals were analyzed using atomic absorption spectroscopy...
May 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27115422/distribution-and-source-apportionment-studies-of-heavy-metals-in-soil-of-cotton-wheat-fields
#20
Nazia Rafique, Saadia R Tariq
Heavy metals enriched agricultural soils have been the subject of great concern because these metals have potential to be transferred to the soil solution and afterward accumulated in food chain. To study the trace metal persistence in crop soil, 90 representative soil samples were collected and analyzed for heavy metal (As, Cd, Cu, Fe, Mn, Ni, Pb, and Zn) and anions (chloride, nitrates, phosphates and sulfates). Cluster and factor analysis techniques were used for the source identification of these excessive heavy metal levels and ecological risk was determined with potential ecological risk assessment...
May 2016: Environmental Monitoring and Assessment
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