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Articles 871 - 900 of 1069
Full-Text Articles in Entire DC Network
Addressing Food Insecurity And Developing Social Resources Through Community Garden Projects In Low-Income Areas: Qualitative Interviews With Outreach Coordinators From Three Urban Agriculture Organizations, Elizabeth R. Chalgian
Addressing Food Insecurity And Developing Social Resources Through Community Garden Projects In Low-Income Areas: Qualitative Interviews With Outreach Coordinators From Three Urban Agriculture Organizations, Elizabeth R. Chalgian
Graduate Student Theses, Dissertations, & Professional Papers
As urban agriculture organizations become increasingly popular, it is important to understand the impact they have on low-income urban communities. Food security and political power are greatly lacking in these areas. Agriculture endeavors, such as community gardens and urban farms, have a significant potential to decrease these deficits. First, this thesis will address how social inequalities, which are products of structural power, prevent the poor from being properly fed and discuss how urban agriculture programs, specifically community gardens, can reduce food insecurity and build a community’s social resources. Later, the discussion will focus on how low-income populations become involved in …
Can Sheep Control Leafy Spurge Without Compromising Efforts To Restore Native Plants?, Eva S. Masin
Can Sheep Control Leafy Spurge Without Compromising Efforts To Restore Native Plants?, Eva S. Masin
Graduate Student Theses, Dissertations, & Professional Papers
This thesis includes two studies on the ecological effects of using sheep to control Euphorbia esula (leafy spurge). While sheep can effectively reduce E. esula when used as a long-term management strategy, little is known about their impacts on native plants. The efficacy of sheep grazing for restoration depends both on its potential for controlling undesirable plants and its ability to promote native species that provide key ecosystem goods and services. I investigated the effects of sheep grazing on native plants at both seed and mature-plant stages. To assess impacts on seedling establishment, I measured density of forb and graminoid …
Incentives And Disincentives Of Adolescent Girls Participation In Outdoor Activities And Recommendations For Practitioners, Sarah Anne Megyesi
Incentives And Disincentives Of Adolescent Girls Participation In Outdoor Activities And Recommendations For Practitioners, Sarah Anne Megyesi
Graduate Student Theses, Dissertations, & Professional Papers
In order to increase adolescent girls’ participation in and enjoyment of outdoor activities (OAs), with the ultimate goal of increasing the number of future advocates and stewards of our natural environment, outdoor activity practitioners and other interested parties must gain an understanding of adolescent girls and their perceptions of the outdoors and outdoor activities. Every girl has unique insight and perceptions related to their own as well as other girls’ participation in outdoor activities. In order to best serve adolescent girls through outdoor activity, research must seek answers to how families, schools, mentors, and outdoor activity practitioners can best encourage …
Metadata Analysis Of The Montana Department Of Environmental Quality's Reference Stream Project Datasets, Jonathan Samuel Leiman
Metadata Analysis Of The Montana Department Of Environmental Quality's Reference Stream Project Datasets, Jonathan Samuel Leiman
Graduate Student Theses, Dissertations, & Professional Papers
This Master’s Thesis examines certain aspects of the frequently incongruous relationship in the State of Montana between the natural science of water quality measurement and the actual practices to which water quality management research is put. These discordances can be the source of misunderstandings about the purposes and uses for which data were collected. Moreover, miscues regarding the sharing of information among stakeholders have become more significant as adaptive and shared management programs continue to expand. At the core of this study are assessments of the value of water quality data generated by the Montana Department of Environmental Quality (DEQ) …
Modeling Risk Of Hunting Pressure On Large Mammals In Northwestern Argentina, Loretta Kathleen Baker
Modeling Risk Of Hunting Pressure On Large Mammals In Northwestern Argentina, Loretta Kathleen Baker
Graduate Student Theses, Dissertations, & Professional Papers
The subtropical Yungas and Chaco forests of northwestern Argentina are two of the most biodiverse and threatened biomes in South America. It is unclear how development pressure and increased human presence may be affecting wildlife in this increasingly fragmented and degraded landscape. We initiated a broad-scale analysis of the spatial distribution and magnitude of anthropogenic factors that may influence large mammal mortality due to potential human hunting pressure in a landscape linkage connecting these threatened forests. We conducted a literature review of Neotropical study sites that reported hunting of large mammals by indigenous people or colonists, and used this information …
Nest Site Characteristics And Breeding Biology Of Flammmulated Owls In Missoula Valley, Mathew T. Seidensticker
Nest Site Characteristics And Breeding Biology Of Flammmulated Owls In Missoula Valley, Mathew T. Seidensticker
Graduate Student Theses, Dissertations, & Professional Papers
Seidensticker, Mathew, M.S., Spring 2011 Environmental Studies Nest Sites and Breeding Biology of Flammulated Owls in Missoula Valley Chairperson: Len Broberg The Flammulated Owl is listed as a sensitive or species of concern with United States Forest Service, Bureau of Land Management, and Montana Fish, Wildlife and Parks. Despite these listings the Flammulated Owl is little studied in Montana. Although region-wide surveys have greatly increased our understanding of distribution and landscape level habitat associations of Flammulated Owls, information about breeding is lacking. In order to address this need for breeding information I searched for and quantified nest site characteristics and …
Opposition And Barriers To Conservation Easements: Insights From Montana Landowners, Alayna S. Dupont
Opposition And Barriers To Conservation Easements: Insights From Montana Landowners, Alayna S. Dupont
Graduate Student Theses, Dissertations, & Professional Papers
A conservation easement (CE) is a voluntary agreement that perpetually limits development on private land in order to protect open space, agricultural land, and scenic amenities, as well as ecological or historic resources. Due to the fact that CEs are voluntary, an understanding of the landowner’s decision about whether or not to participate in conservation easement programs is imperative if CE use is to continue and expand. Moreover, understanding how non-participating landowners view CEs, how they regard the incentives, and how CEs fit or do not fit with their ideas regarding private property and conservation is of critical importance for …
The Role Of Microbial Endosymbionts In Sorghum Halepense Invasions: Evidence Of A New Invasion Strategy, Microbially Enhanced Competitive Ability (Meca), Marnie Erin Rout
The Role Of Microbial Endosymbionts In Sorghum Halepense Invasions: Evidence Of A New Invasion Strategy, Microbially Enhanced Competitive Ability (Meca), Marnie Erin Rout
Graduate Student Theses, Dissertations, & Professional Papers
Invasive plants can profoundly alter ecosystem processes, and tremendous economic costs are often associated with these disturbances. Attributes like higher growth rates, increased biomass, and enhanced chemical defenses have been documented in many invasive plants. When expanding into new ranges, these traits frequently allow invasive plants to outcompete native plant communities. Current theories suggest these invasive attributes are plant-regulated; however, my work shows that bacterial endosymbionts can regulate these traits in the invasive grass Sorghum halepense. Using culture and molecular approaches, I found the invasive grass harbors several bacterial organisms inside the roots and rhizomes. These bacterial endosymbionts were …
Green Roofs In The Garden City: Exploring The Opportunities For Green Roof Policies In Missoula, Montana, Matthew Ryan Hodges
Green Roofs In The Garden City: Exploring The Opportunities For Green Roof Policies In Missoula, Montana, Matthew Ryan Hodges
Graduate Student Theses, Dissertations, & Professional Papers
Global climate change is expected to have adverse impacts on the Rocky Mountain West, including impacts on water and land use, energy consumption, weather patterns, and wildlife stewardship. The State of Montana, Missoula County and the City of Missoula all have recognized these threats and are taking steps to address climate change impacts. In response to the unique challenges posed by urban environments, the practice of green, or vegetative, roofing has been promoted through policy measures by a number of cities in the United States and abroad. This project explores green roofing and the policies used to encourage the practice …
Distribution, Use And Cultural Meanings Of Ciprés De Las Guaitecas In The Vicinity Of Caleta Tortel, Chile, Kyla Sara Zaret
Distribution, Use And Cultural Meanings Of Ciprés De Las Guaitecas In The Vicinity Of Caleta Tortel, Chile, Kyla Sara Zaret
Graduate Student Theses, Dissertations, & Professional Papers
This study examined the changing roles of ciprés de las Guaitecas (Pilgerodendron uviferum) in the lives and livelihoods of Tortel community members. A political ecology framework built on concepts of power, scale and social construction was used to problematize the availability of the tree as a resource by revealing the multiple, contrasting perspectives of different socio-political actors. National and international policy documents were analyzed in order to uncover the discourses that drive decision-making at those scales. Participant observation and semi-structured interviews were conducted to explore local people’s knowledge, perceptions and opinions regarding the difficulties they face in accessing and utilizing …
Effects Of Smoking Locations And Room Ventilation On Occupant Exposure To Environmental Tobacco Smoke, Chaloemchai Mukthawat, Maneerat Ongwandee, Nida Chaimoon
Effects Of Smoking Locations And Room Ventilation On Occupant Exposure To Environmental Tobacco Smoke, Chaloemchai Mukthawat, Maneerat Ongwandee, Nida Chaimoon
Applied Environmental Research
Non smoker exposure to second hand smoke is still of concern even though smoking free environments have been implemented in public places in Thailand. Thus, smokers have changed their behavior to smoke in their dwellings instead which could cause pollutant transfers from a smoking area to an adjacent non smoking area by air flows between zones. The objective of this study was to investigate relative magnitudes of environmental tobacco smoke (ETS) in a non smoking area that is adjacent to a smoking residential area. The study was also to demonstrate the effect of room ventilation rates on exposure levels of …
Diversity Of The Autochthonous Colonic Microbiota, Gerardo M. Nava, Thaddeus S. Stappenbeck
Diversity Of The Autochthonous Colonic Microbiota, Gerardo M. Nava, Thaddeus S. Stappenbeck
Open Access Publications
No abstract provided.
Methane Potential Of Household Waste; Batch Assays Determination, Nutchanat Chamchoi, Hector Garcia, Irini Angelidaki
Methane Potential Of Household Waste; Batch Assays Determination, Nutchanat Chamchoi, Hector Garcia, Irini Angelidaki
Applied Environmental Research
An assay for determination of the methane potential of household waste (HHW) was developed. The assay was performed in batch vials with thermophilic inoculum from a biogas plant co-digesting swine manure with industrial waste. Methane potential of 500 mL g-1VS was achieved within 10 d. Blending of the HHW household waste was suitable method for homogenization of the material. Although blending altered the physical image of the sample, it did not alter the original composition of the material. Thermal pre-treatments of the waste (70 °C for 1 h) and combined thermal alkaline pre-treatment (70 °C for 1 h and addition …
Hierarchical And Bayesian Approaches For Estimating Prevalence Based On Pool Screening, Thomas Birkner
Hierarchical And Bayesian Approaches For Estimating Prevalence Based On Pool Screening, Thomas Birkner
All ETDs from UAB
Pool screening is a method that combines individual items into pools. Each pool will either test positive (at least one of the items is positive) or negative (all items are negative). Pool screening is commonly applied to the study of tropical diseases where pools consist of vectors (e.g. black flies) that can transmit the disease. The goal is to estimate the proportion of infected vectors. In paper 1, we present a frequentist Bernoulli-Beta hierarchical model to relax the constant prevalence assumption underlying the traditional frequentist prevalence estimation approach. This assumption is called into question when sampling from a large geographic …
The Environmental Laws Of The 1970s: They Looked Good On Paper, William H. Rodgers, Jr.
The Environmental Laws Of The 1970s: They Looked Good On Paper, William H. Rodgers, Jr.
Articles
This article looks at the "top ten" environmental laws enacted in the 1970s, including the Clean Air Act, the Endangered Species Act, the National Environmental Policy Act, and the Resource Conservation and Recovery Act. It asks: What were the pin-up qualities that made these laws look good on paper? What were the features sponsors bragged about or critics deplored? How were they understood and described at the time of legislative birth? What was thought to be new, different, and better?
We know some of these things about all of these laws. I’ll exercise editorial judgment and declare four common features …
Scientific Integrity: The Perils And Promise Of White House Administration, Heidi Kitrosser
Scientific Integrity: The Perils And Promise Of White House Administration, Heidi Kitrosser
Articles
This Article was written for a Fordham Law Review symposium on “Presidential Influence over Administrative Action, Recent Developments.” The Article explores developments in scientific integrity in the first two years of the Obama Administration. Specifically, it looks at the impact of “presidential administration” - that is, of top-down White House directives to administrative agencies - on scientific integrity. I define processes embodying scientific integrity as those designed to enable expert scientific findings to be presented without extra-scientific interference or distortion. Scientific integrity is a subset of information integrity. A system that facilitates information integrity is one that is relatively transparent …
Journal Of The Arkansas Academy Of Science - Volume 65 2011, Academy Editors
Journal Of The Arkansas Academy Of Science - Volume 65 2011, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Kenyon College Catalog 2011-2012
Get Your Hands Dirty, Udoka Omenukor, Pamela Varela, Jewel Lipps
Get Your Hands Dirty, Udoka Omenukor, Pamela Varela, Jewel Lipps
Big iDeas 2011 Fall Updates
No abstract provided.
California High-Speed Rail On Track? Bridging The Gap Between Competing Land Use Issues With The California High-Speed Rail Project, Kevin J. Grochow
California High-Speed Rail On Track? Bridging The Gap Between Competing Land Use Issues With The California High-Speed Rail Project, Kevin J. Grochow
Chapman Law Review
No abstract provided.
Habitat And Landscape Suitability As Indicators Of Bird Abundance In Created And Restored Wetlands, Jordan W. Mora, John N. Mager Iii, Douglas J. Spieles
Habitat And Landscape Suitability As Indicators Of Bird Abundance In Created And Restored Wetlands, Jordan W. Mora, John N. Mager Iii, Douglas J. Spieles
Faculty Publications
No abstract provided.
Fact Book 2011-12, Western Michigan University
Fact Book 2011-12, Western Michigan University
Western Michigan University Fact Books
- General Information
- Enrollment Information
- Institutional Comparison
- Student Information
- Faculty Information
- Budgets and Resources
The Potential And Possibilities For Utilizing Geographic Information Systems To Inform School Library As Place, Melissa P. Johnston, Bradley Wade Bishop
The Potential And Possibilities For Utilizing Geographic Information Systems To Inform School Library As Place, Melissa P. Johnston, Bradley Wade Bishop
Information Science Faculty Publications
Teacher librarians often consider their students and the internal school environment in planning programs and services but ignore the larger community from which learners originate. The purpose of this study was to provide a review of the ongoing discussions related to the school library in the community context and provide implications for utilizing geographic information systems (GIS) to inform the idea of the “school library as place.” This preliminary exploration, a thematic literature review, indicated multiple possibilities for implementing GIS in school libraries that may enable teacher librarians to better facilitate students’ development of a sense of place, support their …
The Race For Cheap Aluminum: Hall Versus Heroult, Dean F. Martin
The Race For Cheap Aluminum: Hall Versus Heroult, Dean F. Martin
Chemistry Faculty Publications
The factors that determine priority in inventions are illustrated in the development of a commercially acceptable process for preparation of aluminum in 1886 when it was achieved by two young (age 22) men (Hall and Héroult). At least three factors were involved in the parallel achievement. The specific success of Charles Martin Hall in obtaining the US patent was a consequence of a couple of factors. One was likely the assistance of his elder sister; the other was the rule of the United States Patent and Trademark Office concerning priority, viz., first to “reduce to practice” versus the standard in …
Monsanto Co. V. Geertson Seed Farms: Irreparable Injury To The National Environmental Policy Act?, Madeline Gwyn
Monsanto Co. V. Geertson Seed Farms: Irreparable Injury To The National Environmental Policy Act?, Madeline Gwyn
Emory Law Journal
The Supreme Court recently embarked on a path toward removing the only teeth the National Environmental Policy Act (NEPA) has--its procedural mandates. In Winter v. Natural Resources Defense Council, Inc. and, more recently, in the controversial case Monsanto Co. v. Geertson Seed Farms, the Court declined to issue an injunction against federal agency action despite the agency's failure to complete an Environmental Impact Statement (EIS) regarding the action, as required by NEPA.
State Leadership For Safer Chemicals Policy Reform: Lessons From California, Maine, Minnesota And Washington, Michelle A. Russell
State Leadership For Safer Chemicals Policy Reform: Lessons From California, Maine, Minnesota And Washington, Michelle A. Russell
Honors Theses
Chemicals regulation under the U.S. Toxic Substances Control Act of 1976 fails to protect human health. In the absence of federal protection, safer chemicals legislation and implementation is moving forward in four states: Maine, Minnesota, California and Washington. Working in response to a loud public cry of concern and persistent grassroots organizing, these four states have enacted laws that regulate chemicals in consumer products. Maine, Minnesota and Washington chose to focus on regulating the chemicals used in children’s products, taking into consideration greater vulnerability in early development and the compelling public priority to protect children’s health. The most important factors …
Buffernomics: Assessing Willingness To Pay For Lake Conservation On North Pond And East Pond, Sophie D. Sarkar
Buffernomics: Assessing Willingness To Pay For Lake Conservation On North Pond And East Pond, Sophie D. Sarkar
Honors Theses
Hedonic property valuations in Maine have estimated that a one-meter decrease in water clarity can reduce shoreline property values by 4 to 16%. To avoid a loss on their lakefront investment, shoreline property owners have a particularly large incentive to conserve lake water quality. Nevertheless, while some shoreline residents voluntarily install vegetated buffers and actively participate in lake stewardship, others continue to ignore shoreline zoning laws at the expense of lake health. In this thesis, I examine the dichotomy of active and indifferent shoreline residents by analyzing the motivations that distinguish residents who are willing to pay (WTP) for and …
Zooplankton Of The Belgrade Lakes: The Influence Of Top-Down And Bottom-Up Forces In Family Abundance, Kimberly M. Bittler
Zooplankton Of The Belgrade Lakes: The Influence Of Top-Down And Bottom-Up Forces In Family Abundance, Kimberly M. Bittler
Honors Theses
The purpose of this study was to assess the abundance and family diversity of zooplankton communities in the Belgrade Lakes, and to identify the broad scale and local variables that structure zooplankton communities in this region. The local effects of shoreline development and the presence of macrophyte patches were compared to larger scale variables, such as watershed wide residential development. Zooplankton are an intermediate link in the freshwater food web, and communities respond both to predation pressures as well as nutrient inputs. Shoreline development was expected to influence zooplankton densities by the increased nutrient inputs via erosion off developed sites …
Biomass Energy At Colby College, Rachel E. Baron
Biomass Energy At Colby College, Rachel E. Baron
Honors Theses
In light of growing concern regarding the effects of global climate change, Colby College signed the American College and University Presidents’ Climate Commitment (ACUPCC) in 2008. Through this pledge, Colby has committed to reducing carbon emissions in its Climate Action Plan (IPCC 2007; CCAP 2010). The College seeks to be carbon neutral by 2015 (CCAP 2010). This will be accomplished through a variety of mechanisms, one of which includes the construction of a biomass facility to replace most of the oil currently used for heating (CCAP 2010).
Anthropogenic global climate change has been documented by many scientists, but was widely …
The One That Carries You Away: Essays, Blair S. Braverman
The One That Carries You Away: Essays, Blair S. Braverman
Honors Theses
What is environmental writing? Phil Condon, author and professor at the University of Montana's Environmental Writing Institute, defines it as any piece of writing in which an important factor is nonhuman—be it animal, place, weather, et cetera. At the same time, he acknowledges that the primary limitation of this definition is its lack of limitations; because humans are constantly interacting with—and affected by—the nonhuman, virtually any piece of writing could be considered environmental. The Association for the Study of Literature and the Environment (ASLE), the nation's predominant organization for the academic study of environmental writing, defines itself through its focus …