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- Introduced aquatic organisms – Control (2)
- Quagga mussel – Control (2)
- United States — Lake Mead (2)
- Africa (1)
- Aquatic invasive species (1)
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- Boats and boating (1)
- Cities and towns; Prediction theory--Mathematical models; Water--Pollution potential; Water quality--Forecasting (1)
- Climatic changes (1)
- Communicable diseases (1)
- Communication in ecology (1)
- Dreissena (1)
- Dreissena rostriformis bugensis (1)
- Endocrine disrupting chemicals in water (1)
- Endocrine disrupting chemicals – Biodegradation (1)
- Environmental protection (1)
- Global warming (1)
- Human security (1)
- Introduced aquatic organisms -- Prevention (1)
- Mass communication (1)
- Microorganisms (1)
- Mine soils – Leaching (1)
- Mineral industries—Waste disposal (1)
- Nevada – Henderson (1)
- Nevada – Las Vegas Wash (1)
- Recreational boats (1)
- Sediment transport (1)
- Soil pollution (1)
- Sub-Saharan (1)
- Tailings (Metallurgy) – Environmental aspects (1)
- Three Kids mine (Nev.) (1)
Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Environmental Impact Of The Three Kids Mine Tailings, Henderson, Nv, Ji Hye Park
Environmental Impact Of The Three Kids Mine Tailings, Henderson, Nv, Ji Hye Park
UNLV Theses, Dissertations, Professional Papers, and Capstones
This research focused on the distribution of the Three Kids Mine tailings in surface soils in and around the mine in Henderson, Nevada. It is situated next to the communities of Calico Ridge and Lake Las Vegas Resort, and, just the west of the Lake Mead Recreation area. Even though the mine has been inactive for almost 50 years (1917-1961), tailing piles and other sources of contamination on the mine are currently exposed to the atmosphere. In this study, surface soil samples were collected along eight transects emanating from the center of Three Kids Mine tailing piles up to five …
Microbial Impacts On Endocrine Disrupting Contaminants: Las Vegas Wash And Lake Mead, Nevada, Susanna May Blunt
Microbial Impacts On Endocrine Disrupting Contaminants: Las Vegas Wash And Lake Mead, Nevada, Susanna May Blunt
UNLV Theses, Dissertations, Professional Papers, and Capstones
International concern over endocrine disrupting chemicals (EDCs) has become heightened in recent years as more studies reveal their persistence in the environment and their detrimental effects on wildlife. However, little is known about the role of microorganisms in the fate and transport of these compounds in surface waters. Las Vegas Wash, a stream flowing into Lake Mead and fed primarily by treated wastewater effluent, provided a unique experimental system in which to study the role microorganisms play in the dispersal of these compounds in aquatic systems. Samples were collected from the Las Vegas Wash downstream of the Las Vegas Valley's …
Assessing A Combined Theories Approach To Climate Change Communication, Ted Greenhalgh
Assessing A Combined Theories Approach To Climate Change Communication, Ted Greenhalgh
UNLV Theses, Dissertations, Professional Papers, and Capstones
This research examines the complexities of communicating climate change risk information and the underlying individual attitudes and message content that affect message reception. Using climate change messages incorporating fear appeals and normative information subject's reactions to the messages were evaluated using the Theory of Planned Behavior model. The study found that fear appeals did increase behavioral intention to adopt a lower carbon lifestyle among test group subjects. The Theory of Planned Behavior model showed that attitudes and self-efficacy were significant predictors of the behavioral intent to adopt a lower carbon lifestyle, while community norms were only marginally predictive. However, not …
Redefining Security In Sub-Saharan Africa, Winta Sintayehu Gebremariam
Redefining Security In Sub-Saharan Africa, Winta Sintayehu Gebremariam
UNLV Theses, Dissertations, Professional Papers, and Capstones
New and challenging threats to humans are currently on the rise. These threats to human well being have been neglected and ignored within the traditional conception of security. Security studies have mainly focused on traditional threats, mostly military and political. Although still important, this perspective lacks the ability to address nontraditional threats that are killing and injuring millions each year. Each year, millions die of diseases such as HIV/AIDS, tuberculosis, malaria, hunger, and water related diseases among others. Although these threats are widespread throughout the world, Sub-Saharan Africa bears the brunt of these threats. This thesis proposes an ecological approach …
Groundwater Contamination Potential In Northern Nevada From Mining, Associated Communities, And Agriculture As Forecasted By Two Vulnerability Methods, John L. Swatzell
Groundwater Contamination Potential In Northern Nevada From Mining, Associated Communities, And Agriculture As Forecasted By Two Vulnerability Methods, John L. Swatzell
UNLV Theses, Dissertations, Professional Papers, and Capstones
Two methodologies, DRASTIC and the NDEP method, were used to compare the groundwater vulnerability of mining, associated towns, and agricultural areas in northern Nevada. The DRASTIC and NDEP methods were compared to determine which method produces a more accurate depiction of vulnerability. Vulnerability maps were created using the United States Environmental Protection Agency's (USEPA) DRASTIC and Nevada Department of Environmental Protection (NDEP) methodologies. The DRASTIC map uses seven aspect layers of geologic and hydrologic information with assigned values and weights that are applied to a mathematical equation. The NDEP method uses field data collection for potential contaminant sources and well …
Effectiveness Of Earthtec ® On Killing Invasive Quagga Mussels (Dreissena Rostriformis Bugenis) And Preventing Their Colonization In The Western U.S., Ashlie Watters
UNLV Theses, Dissertations, Professional Papers, and Capstones
Dreissena rostriformis bugensis, an invasive species, also known as the quagga mussel, was discovered in Lake Mead, NV in January of 2007. In the four years since detection, quagga mussels have created tremendous economical, ecological, and human health impacts. The mussels clog pipes, ruin boat motors, and damage recreational equipment, and once established in the lake, routine maintenance is necessary to avoid further damage. Because of quagga mussels' high fecundity, planktonic veliger stage, and ability to attach to substrates with byssal threads, they have easily and swiftly spread to other lakes and reservoirs in the Lower Colorado River Basin. …
Colonization And Decontamination Of Quagga Mussels In The Western United States: Monitoring Veligers In Lake Mead And Field Testing In The Effects Of Hot-Water Spray As A Means Of Watercraft Decontamination, Sean Robin Comeau
UNLV Theses, Dissertations, Professional Papers, and Capstones
The introduction and establishment of aquatic invasive species (AIS) is one of the top causes of global biodiversity loss and ecological change, and is also financially costly for taxpayers and agencies managing protected areas. This is especially true regarding the nationwide spread of dreissenid mussels to various bodies of freshwater. The discovery of invasive quagga mussels (Dreissena rostriformis bugensis) in Lake Mead on January 6, 2007 has changed the popular recreation area into a potential vector of the destructive AIS. This location could allow for an increased spread of these dressenid species to uninfested bodies of water in the western …