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Articles 1 - 30 of 49
Full-Text Articles in Life Sciences
Emerging Contaminants In Extreme Environments: Microplastics Monitoring In Karst Springs Of Montenegro, Marko Nikolic, Djuradj Milosevic, Ana Manovic, Vladimir Pesic, Melita Mustafic, Dragana Asceric, Milica Nikolic, Dimitrija Savic-Zdravkovic
Emerging Contaminants In Extreme Environments: Microplastics Monitoring In Karst Springs Of Montenegro, Marko Nikolic, Djuradj Milosevic, Ana Manovic, Vladimir Pesic, Melita Mustafic, Dragana Asceric, Milica Nikolic, Dimitrija Savic-Zdravkovic
FRONTIERS UNBOUND: Exploring Extreme Environments
No abstract provided.
Environmental Impact Of Water And Air Contaminants On Public Health, Astrid-Ines Foamkom, Luis A. Peña Marquez, Maria Sophia Malbas, Esmeralda Rodriguez, Noe Garza, Ney Alliey-Rodriguez
Environmental Impact Of Water And Air Contaminants On Public Health, Astrid-Ines Foamkom, Luis A. Peña Marquez, Maria Sophia Malbas, Esmeralda Rodriguez, Noe Garza, Ney Alliey-Rodriguez
Research Colloquium
Background: Established literature suggests a strong relationship between exposure to air contaminants and physical health. Similarly, numerous studies have demonstrated the effects of water pollution on public health. Texas denizens are often victims of poor air and water quality, yet there are scant studies that have integrated evidence of health tolls caused by air and water pollution across the state. In this study, we assessed the relationship between particulate matter
Methods: The study used data from the 2018 Medicare and Medicaid report which displayed chronic health conditions across all counties in Texas. Additionally, the study also includes collected data on …
Investigation Of The Environmental Factors Regulating The Biomass And Toxin Production Of The Benthic Cyanobacterium Microseira Wollei In Lake Wateree, South Carolina, Kara Clyburn
Theses and Dissertations
Impacts from anthropogenic activities and climate change are significantly altering nitrogen (N) cycling processes and biological productivity along the freshwater to marine continuum, and the acceleration rate of excessive N and phosphorus (P) concentrations entering aquatic environments is unprecedented. As a result, nutrient pollution is contributing to the increasing magnitude and duration of cyanobacterial harmful algal blooms (cHABs), oxygen (O2) depletion, loss of biodiversity, and impacts to human and ecosystem health. Lake Wateree, South Carolina (SC) is a freshwater drinking and contact recreational water resource with elevated symptoms of eutrophication, including the increasing prevalence of the N2 fixing benthic cyanobacterium …
Assessment Of Tce And Chiral Pcb Dechlorination Rate, Congener Diversity, And Enantioselectivity In Town Creek, Sc, Usa Sediment Microcosms, Catherine P. Sumner
Assessment Of Tce And Chiral Pcb Dechlorination Rate, Congener Diversity, And Enantioselectivity In Town Creek, Sc, Usa Sediment Microcosms, Catherine P. Sumner
All Dissertations
Polychlorinated biphenyls (PCBs) and trichloroethene (TCE) are ubiquitous contaminants and are recognized as persistent organic pollutants due to their extreme chemical stability. PCBs were manufactured by chlorinating biphenyls that created 209 congeners with various structures, of which 19 are chiral and can exist as a pair of stable atropisomers. PCBs have been known to cause developmental and neurological toxicity in humans and wildlife; they can act as endocrine disrupters, carcinogens, and teratogens. Sangamo Weston Inc. was an industrial plant located near Town Creek in Pickens Country, South Carolina, that manufactured capacitors and used Aroclors 1016 and 1254 as dialectic fluids …
Addressing Lead Exposure Disparities In Milwaukee: A Geographical Analysis Of Interventions And Equitable Strategies, Miracle Mark
Addressing Lead Exposure Disparities In Milwaukee: A Geographical Analysis Of Interventions And Equitable Strategies, Miracle Mark
Theses and Dissertations
Lead exposure is still a major public health issue, especially for children who are the most vulnerable due to the negative effects on their development. Inner-city neighborhoods are often disproportionately impacted because they tend to have older housing stock, which includes sources of lead such as lead paint and lead service lines. While many studies have examined different types of lead interventions in the U.S., including both primary and secondary interventions, little is known about the lead intervention landscape in the city of Milwaukee. Specifically, it is unclear whether the geography of intervention matches up with the geography of exposure. …
Microplastic Accumulation In The Marsh Periwinkle (Littoraria Irrorata), Sarah Keaton, Hannah Lukhard, Eli Windy, Manar Hasan
Microplastic Accumulation In The Marsh Periwinkle (Littoraria Irrorata), Sarah Keaton, Hannah Lukhard, Eli Windy, Manar Hasan
DePaul Discoveries
Contamination of oceans by microplastics (mm) currently poses a major threat to aquatic and terrestrial ecosystems worldwide. Recent attention towards this issue has raised questions about the extent to which microplastics have accumulated in the environment, and has led to an increase in studies on the effects of microplastics in various organisms. However, levels of contamination in protected natural areas are still largely unexplored, yet can offer an important empirical perspective on the issue. In addition, little is known about the potential effects of microplastics on behavior in the field. This research was conducted within the protected ACE Basin National …
The Relative Contributions Of Contaminants To Ecological Risk In The Upper San Francisco Estuary, Wayne Landis, Eric J. Lawrence, Mikayla Bowers, Ethan Brown, Steven R. Eikenbary, Skyler Elmstrom, Colter Lemons, April J. Markiewicz, Emma E. Sharpe, Erika Whitney
The Relative Contributions Of Contaminants To Ecological Risk In The Upper San Francisco Estuary, Wayne Landis, Eric J. Lawrence, Mikayla Bowers, Ethan Brown, Steven R. Eikenbary, Skyler Elmstrom, Colter Lemons, April J. Markiewicz, Emma E. Sharpe, Erika Whitney
Institute of Environmental Toxicology & Chemistry Publications
This report presents the methods we developed to calculate risk of mixtures of pesticides for the Upper San Francisco Estuary (USFE). We used curve fitting to estimate the exposure-response curves for each individual chemical and then the mixture. For the mixtures, the models were normalized for specific ECx values. In that way, the curve fitting was optimized for effects that are comparable to most threshold values. A Bayesian network was built that incorporated five different pesticides and mercury. The input distributions of the contaminants were measured amounts from each of the six risk regions. We also explored three different methods …
Degradation Of Chlorpyrifos Residue On Tropical Inceptisol Soil With Indigenous Bacteria Treatment, Asep Kurnia, Hidayatuz Zu`Amah, Baiq Nunung Sulastri, Ria Fauriah Makmur
Degradation Of Chlorpyrifos Residue On Tropical Inceptisol Soil With Indigenous Bacteria Treatment, Asep Kurnia, Hidayatuz Zu`Amah, Baiq Nunung Sulastri, Ria Fauriah Makmur
Makara Journal of Science
The use of soil microbes is one of the most effective methods for degrading pesticide residue in soil. Microbes can accelerate the degradation of persistent pollutants including chlorpyrifos in soil. This research aims to find soil bacteria with the greatest potential to degrade chlorpyrifos residue in tropical inceptisol soil and determine its degradation index (DI). The soil used in this experiment was collected from agricultural fields in the districts of Demak, Central Java Province, Indonesia. The experiment was performed using factorial randomize complete block design composed of two factors and four replications. The first factors were made up of two …
A Library Of 39 Plant Peroxidases: Plants From The Families Cucurbitaceae And Brassicaceae Show Promising Peroxidase And Peroxygenase Activity, Sally Hess
Senior Honors Theses
Peroxidases are enzymes that reduce reactive oxygen species (ROS) and oxidize organic substances in living cells. The textile industry, wastewater treatment plants, immunological laboratories, and diagnostic laboratories have extensively used horseradish peroxidase for their oxidating needs. This research aims to provide a tool for identifying potentially useful sources of peroxidases in addition to specifically pinpointing a novel peroxygenase in jalapeño seeds. By using two widely accepted peroxidase assays, the guaiacol assay and the fluorophenol assay, fruits of the genus Cucurbita and roots or leaves of the family Brassicaceae were seen to have high peroxidase activity. Additionally, novel peroxygenase activity was …
Human Health And Outdoor Lighting: A Multidisciplinary Systematic Review Of Current Research, Kellie Joy Grover
Human Health And Outdoor Lighting: A Multidisciplinary Systematic Review Of Current Research, Kellie Joy Grover
Honors Projects
Although outdoor lighting has long been associated with reduced rates of traffic-related injuries and fatalities, a growing body of research associates it with various health problems. However, there are no systematic literature reviews on the human health impacts of outdoor lighting. This paper presents a multidisciplinary systematic literature review of current research regarding the relationship between outdoor lighting and human health. Outdoor lighting was defined as outdoor electric and vehicular lighting, while health was defined as matters pertaining to physiological wellbeing and the risk, presence, and degree of physical injuries, diseases, and disorders. A search of 45 databases produced 99 …
Managing The Environmental And Socio-Economic Impacts Of Rohingya Refugees In Bangladesh, Mousume Azad
Managing The Environmental And Socio-Economic Impacts Of Rohingya Refugees In Bangladesh, Mousume Azad
Master's Projects and Capstones
In August 2017, nearly 1 million Rohingya people fled to Bangladesh to save their lives from the genocide inflicted by the military of Myanmar. At present, over 1.3 million Rohingyas are staying at Cox’s Bazar, Bangladesh, in 34 overcrowded refugee camps. This research examined the environmental impacts especially the change in vegetation cover and land surface temperature as well as the socioeconomic alteration of the host country after the refugee influx. The research found a 5488 ha or 9.58% decrease in forest area, accompanied by an 8.25% increase in refugee settlement areas, an increase in average land surface temperature within …
Sustainability In Action: Green Infrastructure As A Marker Of Sustainable Urban Development, Brianna Nadine Santiago
Sustainability In Action: Green Infrastructure As A Marker Of Sustainable Urban Development, Brianna Nadine Santiago
FIU Undergraduate Research Journal
The current form and pace of urbanization is an ongoing threat to sustainable urban development. As these problems span social, environmental, and economic realms, it is imperative that any proposed solution is able to address these problems holistically. Although a number of silver-bullet solutions such as electric vehicle adoption have been introduced, they do not respond to the problems with an integrated approach. Tackling this problem will require a solution that can be changed and applied on a case-by-case basis. Therefore, the development of green infrastructure is the most efficient solution when responding to the problems threatening urban sustainability. The …
With Love, ; An Interdisciplinary And Intersectional Look At Why Creativity Is Essential, Theo Starr Gardner
With Love, ; An Interdisciplinary And Intersectional Look At Why Creativity Is Essential, Theo Starr Gardner
Whittier Scholars Program
My Whittier Scholars Program self-designed major, Teaching Creativity, is a mixture of Art, Literature, and Education classes. My research and praxis classes have been focused on the ‘how?’s and 'why?’s of creativity, so it felt only right that my project should be a constructivist, generative project. The project I have been working on throughout my time at Whittier, and that has just fully come to fruition on April 11th, 2024, was a solo art gallery/open mic event entitled ‘With Love,’. With Love, was conceptually inspired by the research I’ve conducted on creativity and creative arts education over the past few …
Beyond The Tap: The Flint, Michigan Water Crisis As An Issue Of Environmental Racism, Vincent J. Vitanza
Beyond The Tap: The Flint, Michigan Water Crisis As An Issue Of Environmental Racism, Vincent J. Vitanza
Student Theses 2015-Present
The following paper provides insight into the Flint, Michigan water crisis of 2014 through the lens of environmental racism. The Flint, Michigan water crisis saw the contamination of the municipal water supply of the town of Flint as a result of the decision to switch the main water source from Lake Huron to the Flint River as a temporary measure as the town of Flint switched to the Karegnondi Water Authority contract to supply their municipal water. Flint is a majority minority community, and the facets of race and socioeconomic status played a significant role in how the crisis was …
Stepping Towards Sustainability: Analyzing Walkability In Urban Environments, Elli Lewis
Stepping Towards Sustainability: Analyzing Walkability In Urban Environments, Elli Lewis
Student Theses 2015-Present
This paper examines path walkability in the urban environment and its various impact levels on different neighborhoods. One of the most accessible forms of sustainability is walking, as it produces zero carbon emissions and can harvest a greater sense of care for the human environment. In a growing urbanized world, providing citizens easy access to clean and safe sidewalks, parks, grocery stores, local restaurants, and religious organizations is essential. Accessible walking routes are vital in large, urban cities. The first chapter analyzes the need for walkable cities concerning ecosystem services and their functions. A brief history of New York’s urban …
Climate Change And Environmental Crises In Coastal Cities: Charleston Vs New York City, Nolan Rodriguez
Climate Change And Environmental Crises In Coastal Cities: Charleston Vs New York City, Nolan Rodriguez
Student Theses 2015-Present
This paper addresses the increasing vulnerability that coastal communities face regarding climate crises and rising sea levels. Specifically, this paper investigates the environmental crises facing Charleston, South Carolina, and New York City. The geographical location of these cities places a more severe threat upon their environment, as opposed to urban collectives removed from the immediate effect of rising sea levels. A cross-examination of politics and economics is discussed in order to determine the causal relationship of each city’s engagement with its surrounding environment. This paper examines how each city is affected by climate change, what measures are in place to …
Fireflies At Rpa Natural Area Final Report, Olivia H. Bush, Sydney M. Shea, Sofia J. Gordon, Nick S. Wiebke
Fireflies At Rpa Natural Area Final Report, Olivia H. Bush, Sydney M. Shea, Sofia J. Gordon, Nick S. Wiebke
Final Reports in ENST 411: Environmental Community Projects
Our group worked alongside community partners Shaunna Barnhart and Jim Dunn during the Spring 2024 semester to assist with their annual event Fireflies at RPA Natural Area. RPA Natural Area is a local park in South Williamsport, Pennsylvania that was recently acquired by Southside Recreational Authority. Since taking over the park, the organization has begun hosting an event each July to educate the general public about firefly biology and conservation by showing a film and guiding attendees through a firefly tour through the park. Our goals for this project included creating physical educational materials to be used at the park …
From Pasture To Pavement: Urban Expansion And Its Environmental Consequences In Perth, Anastasia Charelishvili
From Pasture To Pavement: Urban Expansion And Its Environmental Consequences In Perth, Anastasia Charelishvili
Student Theses 2015-Present
This thesis addresses the pressing issue of ecological problems of urban sprawl and its intricate impacts on urban health, with a particular focus on vulnerable communities in Perth, Australia. Chapter 1 presents the city's historical background and emphasizes the depletion of ecosystem services, underscoring the need for environmental justice. It also introduces the causes and effects of the sprawl in Perth and draws upon a diverse range of environmental problems created by suburbia, such as air pollution, biodiversity loss, water pollution, and runoff. As these threats translate into urban health declines, such as respiratory problems and increased healthcare issues, Chapter …
Heavy Metals In Afforested Mangrove Sediment From The World's Largest Delta: Distributional Mapping, Contamination Status, Risk Assessment And Source Tracing, Md Saifur Rahman, Moshiur Rahman, Yeasmin N Jolly, Md Kamal Hossain, Sanjida Afrin Semme, Bilal Ahamad Paray, Takaomi Arai, Jimmy Yu, M Belal Hossain
Heavy Metals In Afforested Mangrove Sediment From The World's Largest Delta: Distributional Mapping, Contamination Status, Risk Assessment And Source Tracing, Md Saifur Rahman, Moshiur Rahman, Yeasmin N Jolly, Md Kamal Hossain, Sanjida Afrin Semme, Bilal Ahamad Paray, Takaomi Arai, Jimmy Yu, M Belal Hossain
Student and Faculty Publications
This study aims to assess seasonal and spatial variations, contamination status, ecological risks, and metal sources (Ni, Pb, Cr, Cu, Mn, and Zn) in human-afforested mangrove sediments in a deltaic region. Five sampling locations were sampled during dry and wet seasons. Heavy metal concentrations followed the order: Mn > Zn > Ni > Cr > Cu > Pb. Metal loads, except Cu and Pb, were higher during the dry season, aligning with national and international recommendations. Sediment quality guidelines, contamination factor, geoaccumulation index, enrichment factors, and pollution load index indicated uncontaminated sediment in both seasons. Potential ecological risk assessment showed low risk conditions in all …
Quemando Leña En Guatemala: Salud, Sostenibilidad Y Costumbres, Sydney Underhill
Quemando Leña En Guatemala: Salud, Sostenibilidad Y Costumbres, Sydney Underhill
World Languages and Cultures Senior Capstones
In the Central American country of Guatemala, firewood is an important fuel source. Eighty-eight percent of households in rural areas use wood stoves and open fires to cook and heat their homes. This tradition has fundamental roots in the culture and customs of Guatemala. Unfortunately, these methods contribute to air pollution. Consequently, it also results in smoke inhalation, which causes health problems. Additionally, the massive agriculture of other crops decreases the amount of firewood available to these households, affecting the sustainability of the resource. Some communities resist changing their use of firewood due to the profound nature that firewood holds …
Griz Give-And-Get: Understanding The Context, Philosophy, And Logistics Behind A Project To Reduce Waste At The University Of Montana, Sam Sullivan
Graduate Student Portfolios, Professional Papers, and Capstone Projects
Griz Give-and-Get is an online platform at the University of Montana that aims to reduce consumer waste. It attempts to do this by providing students and staff with a place to give away their used items. The first objective of this essay is to describe the process behind Griz Give-and-Get’s early development. The second objective is to relate concepts from environmental philosophy to Griz Give-and-Get’s mission. Although part of Griz Give-and-Get’s mission is to build community and to mitigate the effects of student poverty, this essay will narrow its focus to explore the first issue that Griz Give-and-Get concerns itself …
Threads Of Connection: An Offering To Re-Tangle Humanity And Nature With The Patterns Of Our World, Emily Shelton
Threads Of Connection: An Offering To Re-Tangle Humanity And Nature With The Patterns Of Our World, Emily Shelton
Graduate Theses
In our world there are patterns of self-similarity that serve as evidence of the interconnectedness between humankind and the rest of the natural world. They are reflected in our bodies, behaviors, and environments, both natural and manmade, and can be found throughout systems at every scale, micro through macro. These organic, linear motifs branch into smaller iterations that seem to shape our existence on this planet as we gravitate towards experiences that echo these patterns. During everyday acts like shopping in a grocery store or a crowd at a concert, we unconsciously participate in self-similar collective movements as we navigate …
Understanding The Connection Between Water, Fish, And Pfas Concentrations: Implications Of Fish Diet And Species-Specific Variability, Ece Yeldan
Honors College
Perfluoroalkyl and polyfluoroalkyl substances, commonly known as PFAS or “forever chemicals,” have emerged as a significant concern for both human health and the environment. These persistent compounds permeate various aspects of commerce, leading to widespread exposure and the cycling of these compounds through environmental feedback routes. Among the sources of exposure to humans, fish consumption stands out prominently. Recreational and sustenance fishing, cherished by Maine residents and indigenous communities alike, underscores the need to comprehend PFAS dynamics in fish and water. To explore the variability of PFAS accumulation in fish, water, and sediment, I conducted a comprehensive literature review. The …
Assessing Health Implications Of Monarch Butterfly Populations And Behaviors, Kira Goldman, Kelsey E. Fisher Dr.
Assessing Health Implications Of Monarch Butterfly Populations And Behaviors, Kira Goldman, Kelsey E. Fisher Dr.
Honors Scholar Theses
Pollinator populations have seen massive declines over the past decade due to anthropogenic activity and climate change posing serious threats to the health of humans and ecosystems (Ulyshen & Horn, 2023). As agents responsible for the production of about 35% of micronutrient rich food crops necessary for adequate nutrition to lead healthful lives and prevent nutrition associated diseases, pollinator decline is a public health concern (Aizen et al., 2009). Monarch butterflies (Danaus plexippus) serve as bio indicators for the health of pollinator populations because of their analogous habitat and food resources shared with many other pollinator species, including bees and …
Anthropogenic Litter In Urban Waterways: An Analysis Of Litter, Urbanization, And The Emerging Role Of Citizen Science In Beargrass Creek, Louisville, Ky., Ella Swigler
Electronic Theses and Dissertations
This thesis addressed the ever growing presence and persistence of anthropogenic litter (AL) in urban waterways. AL has been studied in marine environments, but research gaps exist in riverine ecosystems. Most of the AL that reaches the Earth’s oceans is carried by urban rivers, so understanding the relationship between these waterways and AL is critical in effectively fighting AL accumulation, especially for legacy plastic pollutants. The study explored fifteen sites throughout Beargrass Creek and recorded the quantity and type of AL present throughout the summer and fall of 2023. The National Geographic Marine Debris Tracker App was employed to successfully …
Feminist Political Ecology In The Classroom, Ella J. Yeigh
Feminist Political Ecology In The Classroom, Ella J. Yeigh
Northwest Journal of Teacher Education
As the effects of climate change are being felt more frequently, discussions on how to combat such a massive issue are increasingly prevalent. Finding solutions to the climate crisis requires an understanding of how mainstream economic systems have led to the climate crisis and using these same principles to get out of the climate crisis is misguided. Economic actions have inherent value biases that have real political effects. Feminist Political Ecology (FPE) as a theoretical model presents a better understanding of how values that are inherent in economic models such as reliance on efficiency, markets, and continual economic growth have …
An Analysis Of Pollution In Liverpool, Uk, Luke W. Lawson
An Analysis Of Pollution In Liverpool, Uk, Luke W. Lawson
Honors Theses
Within this experiment the different levels of pollution in areas around Liverpool were tested. These areas were Stanley Park, Lunt Meadows, and Woolton Road. At Stanley Park one of two transects had a geochemical analysis as well as magnetic measurements run to investigate source attribution within the urban environment resulting in data showing high variability in soil properties among the transect. With data supporting evidence of diamagnetic, paramagnetic, and ferromagnetic properties in soil along the same transect. At Lunt Meadows, through the use of XRF for soil samples and nitrate and phosphate testing for water samples, it was found that …
From Field To Fashion: A Journey In Sustainable Design And Regional Understanding, Lily Turner
From Field To Fashion: A Journey In Sustainable Design And Regional Understanding, Lily Turner
Individually Designed Interdepartmental Major Honors Project
As the fashion industry became globalized over the past century, it has become a major environment polluter and exposed laborers to hazardous conditions. This honors project considers sustainability in the textile industry at large and at the regional scale of the Upper Midwest. Its scholarly component offers an overview of the current textile production, details how the industry may become sustainable, and suggests practices of environmentally-conscious and ethical design. The creative component is a soil-to-soil seasonless capsule collection titled From Field View that incorporates biomimicry and interrogates the concept of place by referencing the Midwest’s flora, wool, and linen fibers.
Assessment Of Potentially Toxic And Mineral Elements In Paddy Soils And Their Uptake By Rice (Oryza Sativa L) With Associated Health Hazards In District Malakand, Pakistan, Asghar Khan, Muhammad Saleem Khan, Munib Ahmed Shafique, Qaisar Khan, Ghulam Saddiq
Assessment Of Potentially Toxic And Mineral Elements In Paddy Soils And Their Uptake By Rice (Oryza Sativa L) With Associated Health Hazards In District Malakand, Pakistan, Asghar Khan, Muhammad Saleem Khan, Munib Ahmed Shafique, Qaisar Khan, Ghulam Saddiq
Student and Faculty Publications
Rice, a primary food source in many countries of the world accumulate potentially harmful elements which pose a significant health hazard to consumers. The current study aimed to evaluate potentially toxic and mineral elements in both paddy soils and rice grains associated with allied health risks in Malakand, Pakistan. Rice plants with intact root soil were randomly collected from paddy fields and analyzed for mineral and potentially toxic elements (PTEs) through inductively coupled plasma optical emission spectrometry (ICP‒OES). Through deterministic and probabilistic risk assessment models, the daily intake of PTEs with allied health risks from consumption of rice were estimated …
Hab Cyanobacteria In Northeastern Sc Retention Ponds: Time Trends In Abundance And Relationship To Water Quality, Kathryn I. Hanson
Hab Cyanobacteria In Northeastern Sc Retention Ponds: Time Trends In Abundance And Relationship To Water Quality, Kathryn I. Hanson
Honors Theses
The accumulation of polluted runoff in retention ponds can create water quality conditions that favor development of harmful algal blooms, including toxin-producing cyanobacteria. This can present a health risk to pedestrians and nearby residents, as many such ponds are surrounded by walkways or housing complexes. Blooms can also cause harm to natural ecosystems, periodically causing hypoxic conditions and toxin buildups. This study aims to form a more complete understanding of the population dynamics of certain potentially harmful phytoplankton genera, in relation to water quality parameters in retention ponds. Sampling was performed in five ponds chosen to reflect a variety of …