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Articles 151 - 179 of 179
Full-Text Articles in Environmental Health and Protection
Beta Interferon-Mediated Activation Of Signal Transducer And Activator Of Transcription Protein 1 Interferes With Rickettsia Conorii Replication In Human Endothelial Cells, Punsiri M. Colonne, Marina Eremeeva, Sanjeev K. Sahni
Beta Interferon-Mediated Activation Of Signal Transducer And Activator Of Transcription Protein 1 Interferes With Rickettsia Conorii Replication In Human Endothelial Cells, Punsiri M. Colonne, Marina Eremeeva, Sanjeev K. Sahni
Marina E. Eremeeva
Infection of the endothelial cell lining of blood vessels with Rickettsia conorii, the causative agent of Mediterranean spotted fever, results in endothelial activation. We investigated the effects of R. conorii infection on the status of the Janus kinase (JAK)-signal transducer and activator of transcription protein (STAT) signaling pathway in human microvascular endothelial cells (HMECs), the most relevant host cell type, in light of rickettsial tropism for microvascular endothelium in vivo. R. conoriiinfection induced phosphorylation of STAT1 on tyrosine 701 and serine 727 at 24, 48, and 72 h postinfection in HMECs. Employing transcription profile analysis and neutralizing …
Rickettsia Felis In Cat Fleas, Ctenocephalides Felis Parasitizing Opossums, San Bernardino County, California, Kyle F. Abramowicz, J. W. Wekesa, C. N. Nwadike, Maria L. Zambrano, Sandor E. Karpathy, D. Cecil, J. Burns, Renjie Hu, Marina Eremeeva
Rickettsia Felis In Cat Fleas, Ctenocephalides Felis Parasitizing Opossums, San Bernardino County, California, Kyle F. Abramowicz, J. W. Wekesa, C. N. Nwadike, Maria L. Zambrano, Sandor E. Karpathy, D. Cecil, J. Burns, Renjie Hu, Marina Eremeeva
Marina E. Eremeeva
Los Angeles and Orange Counties are known endemic areas for murine typhus in California; however, no recent reports of flea-borne rickettsioses are known from adjacent San Bernardino County. Sixty-five opossums (Didelphis virginiana) were trapped in the suburban residential and industrial zones of the southwestern part of San Bernardino County in 2007. Sixty out of 65 opossums were infested with fleas, primarily cat fleas, Ctenocephalides felis (Bouché, 1835). The flea minimum infection rate with Rickettsia felis was 13.3% in pooled samples and the prevalence was 23.7% in single fleas, with two gltA genotypes detected. In spite of historic …
Groundwater Quality And Its Health Impact: An Assessment Of Dental Fluorosis In Rural Inhabitants Of The Main Ethiopian Rift, Tewodros Rango, Julia Kravchenko, Behailu Atlaw, Peter G. Mccornick, Marc Jeuland, Brittany Merola, Avner Vengosh
Groundwater Quality And Its Health Impact: An Assessment Of Dental Fluorosis In Rural Inhabitants Of The Main Ethiopian Rift, Tewodros Rango, Julia Kravchenko, Behailu Atlaw, Peter G. Mccornick, Marc Jeuland, Brittany Merola, Avner Vengosh
Daugherty Water for Food Global Institute: Faculty Publications
This study aims to assess the link between fluoride content in groundwater and its impact on dental health in rural communities of the Ethiopian Rift. A total of 148 water samples were collected from two drainage basins within the Main Ethiopian Rift (MER). In the Ziway-Shala basin in particular, wells had high fluoride levels (mean: 9.4 ± 10.5 mg/L; range: 1.1 to 68 mg/L), with 48 of 50 exceeding the WHO drinking water guideline limit of 1.5 mg/L. Total average daily intake of fluoride from drinking groundwater (calculated per weight unit) was also found to be six times higher than …
Relações Entre As Doenças Respiratórias E A Poluição Atmosférica E Variáveis Climáticas Na Cidade De Curitiba, Paraná, Brasil, Paulo R.B. Guimarães, Ricardo Berger, Fernando Lucambio Perez, Paulo Dt Dl Pires
Relações Entre As Doenças Respiratórias E A Poluição Atmosférica E Variáveis Climáticas Na Cidade De Curitiba, Paraná, Brasil, Paulo R.B. Guimarães, Ricardo Berger, Fernando Lucambio Perez, Paulo Dt Dl Pires
Daugherty Water for Food Global Institute: Faculty Publications
Neste estudo, foram observados níveis de concentrações de poluentes atmosféricos da cidade de Curitiba, no período de novembro de 2003 a junho de 2008, da estação automática de monitoramento da praça Ouvidor Pardinho. O objetivo foi desenvolver uma metodologia de modelagem estatística que explique o número de notificações de doenças respiratórias registradas em idosos (acima de 60 anos) e crianças (abaixo de 5 anos). Além das concentrações de poluentes, algumas variáveis climáticas foram analisadas. Após estudo de diversas metodologias estatísticas, considerou-se mais adequado o ajuste de Modelos Aditivos Generalizados para Locação, Escala e Forma. Os modelos ajustados apresentaram resultados satisfatórios …
As Unidades De Conservação E A Floresta Ombrófila Mista No Estado Do Paraná, Paulo Dt Dl Pires, Douglas Magnus Zeni Jr, Debora Gaulke
As Unidades De Conservação E A Floresta Ombrófila Mista No Estado Do Paraná, Paulo Dt Dl Pires, Douglas Magnus Zeni Jr, Debora Gaulke
Daugherty Water for Food Global Institute: Faculty Publications
O intenso processo de ocupação territorial, uso desordenado dos recursos naturais e destruição de áreas verdes iniciadas no século XIX, são os principais motivos da intensa devastação das Florestas com Araucárias. Como meio de efetivação da proteção e desenvolvimento florestal, o Brasil adotou em sua política ambiental a criação do Sistema de Unidades de Conservação nas categorias, de proteção integral e uso sustentável. Uma alternativa viável é a regulação dos estoques de madeira no Estado por meio de Unidade de Conservação de Uso Sustentável. O que se pretende a partir deste ponto é analisar a possibilidade da criação de regulamentação …
Development Of Waste Collection Services On Rural Territory From Neamț County, Florin C. Mihai, Liviu Apostol
Development Of Waste Collection Services On Rural Territory From Neamț County, Florin C. Mihai, Liviu Apostol
Florin C MIHAI
This paper analyzes the expansion of sanitation services in rural areas after the closure and rehabilitation of rural dumpistes having as deadline July 16, 2009. Following this period local authorities are forced to collect and dispose the waste generated in urban landfills from proximity until the transfer stations will be operational. Most of the rural population has no access to waste collection services, waste generated and uncollected are uncontrolled disposed polluting the local environment. Development of sanitation services is a basic condition for an efficient implementation of integrated waste management system at county level.
Co-Incineration Of Large Quantities Of Alternative Fuels In A Cement Kiln – The Problem Of Air Pollutant Emissions, Robert Oleniacz, Magdalena Kasietczuk
Co-Incineration Of Large Quantities Of Alternative Fuels In A Cement Kiln – The Problem Of Air Pollutant Emissions, Robert Oleniacz, Magdalena Kasietczuk
Robert Oleniacz
Over the last few years, a significant increase in the use of alternative fuels in the Polish cement industry has been observed. These are mainly waste and waste-derived fuels. The national leader in this field is Chełm cement plant (Poland), with the share of alternative fuels in the cement kiln heat balance reaching in 2012 the level of 78.5%. In this paper, an analysis of the emission rate of air pollutants from cement clinkering process in the above-mentioned cement plant in the years 1998–2012 was carried out, using the results of continuous and periodic measurements. The compliance with the emission …
Air Pollution Emissions During Baking Of Semi-Finished Graphite Products In A Tunnel Furnace, Marek Bogacki, Robert Oleniacz, Marian Mazur
Air Pollution Emissions During Baking Of Semi-Finished Graphite Products In A Tunnel Furnace, Marek Bogacki, Robert Oleniacz, Marian Mazur
Robert Oleniacz
The baking of semi-finished graphite products in a tunnel furnace is the source of many air pollutants present in both the gaseous and solid phases. The goal of this study was to assess emission rates into the air of the substances such as: CO, NOx, SO2, H2S, CH4, aliphatic hydrocarbons up to C6, benzene and its homologues (BTEX), total dust and tar substances, and polycyclic aromatic hydrocarbons (PAHs) contained in the dust. The research showed a small time-dependence of the emission rates for the majority of the substances analysed, which is, to a large extent, a result of the long …
The Influence Of Hydrodynamic Forces On The Transport And Retention Of Colloids In Single Saturated Dolomitic Limestone Fractures, Mike Schutten
The Influence Of Hydrodynamic Forces On The Transport And Retention Of Colloids In Single Saturated Dolomitic Limestone Fractures, Mike Schutten
Sarah E Dickson
No abstract provided.
Food Benefit And Climate Warming Potential Of Nitrogen Fertilizer Uses In China, Hanqin Tian, Chaoqun (Crystal) Lu, Jerry Melillo, Wei Ren, Yao Huang, Xiaofeng Xu, Mingliang Liu, Chi Zhang, Guangsheng Chen, Shufen Pan, Jiyuan Liu, John Reilly
Food Benefit And Climate Warming Potential Of Nitrogen Fertilizer Uses In China, Hanqin Tian, Chaoqun (Crystal) Lu, Jerry Melillo, Wei Ren, Yao Huang, Xiaofeng Xu, Mingliang Liu, Chi Zhang, Guangsheng Chen, Shufen Pan, Jiyuan Liu, John Reilly
Chaoqun (Crystal) Lu
Chemical nitrogen (N) fertilizer has long been used to help meet the increasing food demands in China, the top N fertilizer consumer in the world. Growing concerns have been raised on the impacts of N fertilizer uses on food security and climate change, which is lack of quantification. Here we use a carbon–nitrogen (C–N) coupled ecosystem model, to quantify the food benefit and climate consequence of agronomic N addition in China over the six decades from 1949 to 2008. Results show that N fertilizer-induced crop yield and soil C sequestration had reached their peaks, while nitrous oxide (N2O) emission continued …
Using Image Processing Techniques To Estimate The Air Quality, Ernesto Zamora
Using Image Processing Techniques To Estimate The Air Quality, Ernesto Zamora
McNair Poster Presentations
The color of the sky varies depending on the composition of the air. The particles lingering in the atmosphere scatter the components of the light based on their wavelength in relation to particle size. Thus, the color of the sky depends on what wavelengths are scattered while the light travels through our atmosphere.
By analyzing the color of the sky using computer image processing, it is possible to determine the quality of the air in an area. It is possible to classify pictures of the sky into clean or polluted air and have a computer estimate the category any other …
A Community-Based Participatory Assessment Of Fish Consumption And Dietary Mercury Exposure Along The Lower James River, Virginia Usa, Erica Lynnette Holloman
A Community-Based Participatory Assessment Of Fish Consumption And Dietary Mercury Exposure Along The Lower James River, Virginia Usa, Erica Lynnette Holloman
Dissertations, Theses, and Masters Projects
The use of community-based participatory research (CBPR) methods to conduct environmental exposure assessments provides valuable insight about disparities in fish consumption and contaminant exposure. Ninety-five community-specific fish consumption surveys were administered to low-income African American women (ages 16--49) residing in the Southeast community of Newport News, Virginia, USA, in 2008. The mean fish consumption rate for the women surveyed was 147.8 g/day (95% CI: 117.6-185.8), a rate substantially higher than the mean fish consumption rate reported for U.S. women (1.8 g/day 95% CI: 1.51-2.04). Through collaborative partnerships established between current researchers and The Moton Community House (a local community center), …
Simulation Of Coastal Inundation Instigated By Storm Surge And River Discharge In The Chesapeake Bay Using Sub-Grid Modeling Coupled With Lidar Data, J. D. Loftis, H. V. Wang
Simulation Of Coastal Inundation Instigated By Storm Surge And River Discharge In The Chesapeake Bay Using Sub-Grid Modeling Coupled With Lidar Data, J. D. Loftis, H. V. Wang
Presentations
Sub-grid modeling is a novel method by which water level elevations on the sub-grid level can be obtained through the combination of water levels and velocities efficiently calculated at the coarse computational grid, the discretized bathymetric depths, and local friction parameters without resorting to solve the full set of equations. Sub-grid technology essentially allows velocity to be determined rationally and efficiently at the sub-grid level. This salient feature enables coastal flooding to be addressed in a single cross-scale model from the ocean to the upstream river channel without overly refining the grid resolution. To this end, high-resolution DEMs will be …
Lacking A Connection To A Community Water System: Water Quality And Human Health Impacts In El Paso Colonias, Yolanda Jane Mcdonald
Lacking A Connection To A Community Water System: Water Quality And Human Health Impacts In El Paso Colonias, Yolanda Jane Mcdonald
Open Access Theses & Dissertations
Water-borne disease and its symptoms, such as stomach cramps and diarrhea, are a serious concern in areas that are not connected to a public water system. To investigate the impacts of not being connected to a community water system, I surveyed households in El Paso County colonias that were not connected to a community water system (household n = 75, individual n= 293) and households that were connected to a community water system (household n = 75, individual n= 320). I conducted 150 door-to-door surveys and tested water samples from each household for free residual chlorine level, turbidity level, presence …
Challenging The “Man” In Mangroves: The Missing Role Of Women In Mangrove Conservation, Alyssa L. Bosold
Challenging The “Man” In Mangroves: The Missing Role Of Women In Mangrove Conservation, Alyssa L. Bosold
Student Publications
Mangroves provide valuable ecosystem services including carbon sequestration, pollution filtration, and protection from tsunamis, tropical storms, and coastal erosion. They also supply coastal communities with important natural resources like firewood, medicine, timber, honey, and fodder for livestock. Unfortunately, the world’s mangroves are rapidly degrading due to rising coastal population, climate change, and destruction for coastal development, agriculture, and aquaculture. Considering their value for the environment and coastal communities, mangrove conservation should become a priority and effort must be invested to find new and successful methods for conserving mangrove ecosystems. As it has proven effective in other conservation contexts, a gendered …
Fishing For Animal Rights In The Cove: A Holistic Approach To Animal Advocacy Documentaries, Carrie Packwood Freeman
Fishing For Animal Rights In The Cove: A Holistic Approach To Animal Advocacy Documentaries, Carrie Packwood Freeman
Communication Faculty Publications
The Oscar-winning 2009 documentary The Cove serves as a thrilling and poignant advocacy tool promoting activism to save free-roaming dolphins off the coast of Japan from kidnapping, enslavement in marine parks, and slaughter for meat. This essay evaluates the ethical and social justice implications of The Cove not just for dolphins but for the animal rights movement as a whole, particularly in terms of how it could challenge the ethicality of humans killing any nonhuman animals for food. Strategic media recommendations are made for how animal protection advocates could better deconstruct the human/animal dualism that is at the root of …
Environment And Sustainability In Nevada, Mark J. Salvaggio, Robert Futrell
Environment And Sustainability In Nevada, Mark J. Salvaggio, Robert Futrell
Social Health of Nevada Reports
When the inaugural Earth Day launched the first environmental decade in the U.S. more than forty years ago, protecting our air, water, land and other natural resources seemed a relatively straightforward task. Environmental polluters and exploiters would be brought to heel by tough laws. The U.S. and other industrialized nations responded to quality of life concerns associated with environmental degradation by adopting dozens of major environmental and resource policies and creating new institutions such as the U.S. Environmental Protection Agency to manage environmental programs. Following these national developments, states and local communities began systematic efforts to address environmental problems.
Water Quality Trading Markets For The Kentucky River Basin: A Point Source Profile, Ronald Childress Jr.
Water Quality Trading Markets For The Kentucky River Basin: A Point Source Profile, Ronald Childress Jr.
Theses and Dissertations--Agricultural Economics
This study assessed the feasibility and suitability of a Water Quality Trading (WQT) program within the Kentucky River Basin (KRB). The study’s focal point was based on five success factors of a WQT program: environmental suitability, geospatial orientation, participant availability, regulatory incentive, and economic incentive. The study utilized these five success factors, geographical characteristics, and Discharge Monitoring Reports (DMR) to assess the feasibility of a WQT program.
The assessment divided the KRB into five eight digit Hydrologic Unit Codes (HUC), North, Middle, and South Fork, Middle Basin, and Lower Basin, to determine regional impacts caused by the nutrient PSs. Individual …
Scwds Briefs: Volume 27, Number 4 (January 2012), Jeanenne Brewton, Michael J. Yabsley
Scwds Briefs: Volume 27, Number 4 (January 2012), Jeanenne Brewton, Michael J. Yabsley
Southeastern Cooperative Wildlife Disease Study: Publications
TB or Not TB: Michigan and Minnesota
Continued Public Support for Hunting
CWD Update: February 2012
Lymphoproliferative Disease in Turkeys
H5N1 HPAI Virus Studies at SCWDS
We Have Lost a Good Friend
2012 Nebraska Water Monitoring Programs Report, Marty Link, Mike Archer
2012 Nebraska Water Monitoring Programs Report, Marty Link, Mike Archer
Nebraska Department of Environmental Quality: Reports
The following Nebraska Department of Environmental Quality staff have contributed to this report with their photos, maps, numbers, words, and editing. Their efforts are greatly appreciated and gratefully acknowledged here: Mike Archer, Ken Bazata, Dave Bubb, Ryan Chapman, Jason Garber, Patrick Hartman, Tom Heatherly, Dave Ihrie, Dan Inman, Greg Michl, Will Myers, Patrick O’Brien (NARD), Brad Routt, and Dave Schumacher.
2012 Nebraska Groundwater Quality Monitoring Report
2012 Nebraska Groundwater Quality Monitoring Report
Nebraska Department of Environmental Quality: Reports
The 2001 Nebraska Legislature passed LB329 (Neb. Rev. Stat. §46-1304) which, in part, directed the Nebraska Department of Environmental Quality (NDEQ) to report on groundwater quality monitoring in Nebraska. Reports have been issued annually since December 2001. The text of the statute applicable to this report follows: “The Department of Environmental Quality shall prepare a report outlining the extent of ground water quality monitoring conducted by natural resources districts during the preceding calendar year. The department shall analyze the data collected for the purpose of determining whether or not ground water quality is degrading or improving and shall present the …
Characteristics And Environmental Problems Of A Eutrophic, Seasonally-Stratified Lake, Wilgreen Lake, Madison County, Kentucky, Walter S. Borowski
Characteristics And Environmental Problems Of A Eutrophic, Seasonally-Stratified Lake, Wilgreen Lake, Madison County, Kentucky, Walter S. Borowski
EKU Faculty and Staff Scholarship
Wilgreen Lake (Madison County, Kentucky) is listed as ‘‘nutrient impaired’’ by the United States Environmental Protection Agency and Commonwealth of Kentucky, and it also experiences high fecal microbe counts that restricts its use. The lake is a typical eutrophic lake, experiencing anoxia and dysoxia in its waters during summer stratification. Human activities in the watershed contribute additional nutrients to the lake that may exacerbate periods of anoxia, so knowing the sources of anthropogenic nutrient inputs to the lake would aid in developing best practices for development of lake shore areas and the watershed. Possible sources include residential fertilizers, cattle waste, …
Reaching Into The Past For Future Resilience: Recovery Efforts In Maine Rivers And Coastal Waters, John Lichter, Ted Ames
Reaching Into The Past For Future Resilience: Recovery Efforts In Maine Rivers And Coastal Waters, John Lichter, Ted Ames
Maine Policy Review
John Lichter and Ted Ames discuss how analysis of environmental histories of human activities affecting Maine’s estuary, river, and coastal marine ecosystems can shed light on the role key fish species may play. Through Maine’s Sustainability Solutions Initiative, a group of researchers from Bowdoin, Bates, University of Southern Maine, and Penobscot East Resource Center have teamed up to examine ecological recovery in the state’s waterways and coastal fisheries. Several river restoration efforts were already underway, and others are being planned as a direct result of this interdisciplinary project.
Student Perspective: Margaret Chase Smith Library 2011 Essay Contest:, Zoe Anderson, Ali Clift, Allaina Murphy
Student Perspective: Margaret Chase Smith Library 2011 Essay Contest:, Zoe Anderson, Ali Clift, Allaina Murphy
Maine Policy Review
Each year, the Margaret Chase Smith Library sponsors an essay contest for Maine high school seniors. The focus of the 2011 contest was environmental protection. The essay prompt quoted a 1972 statement from Sen. Smith: “We must recognize that we’re not going to eliminate pollution overnight. It’s going to be a hard, long fight. It’s going to take a long time and a lot of sacrifice on the part of each one of us.” By happy coincidence, the essay contest topic fits perfectly with the subject matter of this special issue of Maine Policy Review on sustainability. We feature here …
Sense And Sustainability, Ken Hickson
Sense And Sustainability, Ken Hickson
Social Space
Like the proverbial chicken and egg, climate change and sustainability are inextricably linked; it is impossible to decide which comes first, but urgent solutions are needed. Ken Hickson delivers a timely lesson on the four E’s of sustainability—energy, environment, economics and ethics.
Sustainability Education As A Framework For Enhancing Environmental Stewardship In Young Leaders: An Intervention At Tryon Creek Nature Day Camp, Andrea Nicole Lawrence
Sustainability Education As A Framework For Enhancing Environmental Stewardship In Young Leaders: An Intervention At Tryon Creek Nature Day Camp, Andrea Nicole Lawrence
Dissertations and Theses
UNESCO established Sustainability Education as a top priority when it declared 2005 - 2014 to be the global decade for sustainability. Sustainability education can be implemented in outdoor programs such as nature summer camps in order to build environmental stewardship and ecological literacy in counselors and campers. This study sought to determine the extent to which an ecology and leadership training given to assistant counselors at Tryon Creek State Natural Area day camp achieved the goals of sustainability education--for the assistant counselors to learn about ecology, develop stewardship attitudes and behaviors toward the environment, and become positive role models for …
The Effect Of Disinfectants, Cleaning, And Drying Practices On Oriental Rugs Flooded With Contaminated River Water: Public Health And Policy Implications, Daniel Bernazzani
The Effect Of Disinfectants, Cleaning, And Drying Practices On Oriental Rugs Flooded With Contaminated River Water: Public Health And Policy Implications, Daniel Bernazzani
Antioch University Full-Text Dissertations & Theses
Oriental rugs contaminated with Category 3 floodwater potentially harbor environmental bacteria known to be human pathogens. River water inoculated with three species of gram positive and gram negative environmental bacteria (Escherichia coli, Enterococcus faecalis, Pseudomonas aeruginosa) were used to assess the effectiveness of disinfectant type, cleaning methodology and drying practices by examining the survival rates of bacteria. Rug sections were immersed for one hour in contaminated water, saturated in one of three EPA registered disinfectant products (Phenol, Quaternary chloride, and Thyme oil) or tap water as a control, followed by cleaning and drying. The results showed that all disinfectants reduced …
Evaluating Subdivisions For Identifying Extraneous Flow In Separate Sanitary Sewer Systems, Adam Lanning, Eric Wade Peterson
Evaluating Subdivisions For Identifying Extraneous Flow In Separate Sanitary Sewer Systems, Adam Lanning, Eric Wade Peterson
Eric Wade Peterson
No abstract provided.
Ocena Efektów Modernizacji Systemu Oczyszczania I Ewakuacji Spalin Na Wybranych Przykładach, Robert Oleniacz, Marcelina Groborz, Michał Ożóg
Ocena Efektów Modernizacji Systemu Oczyszczania I Ewakuacji Spalin Na Wybranych Przykładach, Robert Oleniacz, Marcelina Groborz, Michał Ożóg
Robert Oleniacz
The paper presents an assessment of changes in air emissions and impacts on air quality resulting from the modernization of flue gas cleaning and evacuation in two Polish coal-fired power plants. These modernizations were associated with the construction of flue gas desulphurisation systems and use for discharging desulphurized gases separate stacks with a height of 120 m. On the basis of analyzes and atmospheric dispersion modeling, it was found that the changes in the effective height of emitters (the apparent point of emission), due to additional reducing of flue gas volume in existing chimneys, caused that important ecological effects of …