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Articles 1 - 16 of 16
Full-Text Articles in Physical Sciences and Mathematics
Virginia Wetlands Report Vol. 26, No. 2, Virginia Institute Of Marine Science, Center For Coastal Resources Management
Virginia Wetlands Report Vol. 26, No. 2, Virginia Institute Of Marine Science, Center For Coastal Resources Management
Virginia Wetlands Reports
Comprehensive Coastal Resource Management Plans
The Planet, 2011, Fall, Becky Tachihara, Huxley College Of The Environment, Western Washington University
The Planet, 2011, Fall, Becky Tachihara, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Climate And Vegetation Change In The Newberry Mountains, Southern Clark County, Nevada, Ross Joseph Guida
Climate And Vegetation Change In The Newberry Mountains, Southern Clark County, Nevada, Ross Joseph Guida
UNLV Theses, Dissertations, Professional Papers, and Capstones
Ecological studies have shown worldwide that vegetation is being affected by climate change. Species are shifting to new elevations and physiographic positions to adapt to changes in their environment. More specifically, paleoecology studies in the Mojave Desert have shown shifting vegetation patterns in response to past warming and precipitation changes. Recent studies have shown mortality among desert plants related to extended drought and warming. However, few studies have shown how the geographic distribution of Mojave Desert species has changed during this most recent period of warming. This study addresses this gap in the literature by focusing on several plant species …
The Distribution And Life Cycle Of Alliaria Petiolata In Lincoln, Nebraska, Caleb Pharris
The Distribution And Life Cycle Of Alliaria Petiolata In Lincoln, Nebraska, Caleb Pharris
Department of Environmental Studies: Undergraduate Student Theses
Alliaria petiolata (Garlic Mustard) is a biennial alien invasive plant species of the Brassicacea family. It is responsible for displacing native plant species throughout North America and its management has proven to be extremely difficult. Recently several populations of Alliaria petiolata have been discovered in southwestern Lincoln, Nebraska. The spread of Alliaria petiolata is a concern for natural resource managers and the general public. Due to the difficulty of its control, Alliaria petiolata is capable of creating monocultures which diminish the aesthetic value of an ecosystem. While most commonly found in the understory of hardwood forests, it is capable of …
Old Father Hudson: The Three Stages Of Environmental Activism In The Hudson River Valley, Gregory P. Cannillo
Old Father Hudson: The Three Stages Of Environmental Activism In The Hudson River Valley, Gregory P. Cannillo
Honors Theses
Consequences of development have threatened the health of the Hudson River for decades. These have included the prospect of destroying scenic value of the Hudson River Valley with the a hydroelectric power plant on Storm King Mountain, as well as the pollution of the river itself by a variety of industrial sources. Since the 1960s, a long lineage of environmental activism in the Hudson River Valley has emerged to address those issues. The example of the Hudson River supplies an excellent case study of how environmental issues began to be addressed in the later half of the 20th century. I …
Human-Wildlife Conflict On Small, Subsistence Farms In Kenya, Christopher B. Colonna
Human-Wildlife Conflict On Small, Subsistence Farms In Kenya, Christopher B. Colonna
Mahurin Honors College Capstone Experience/Thesis Projects
As human populations expand, wildlife suddenly competes with humans for resources and confrontation arises as a result. Rural Africa is typical of this problem. We surveyed local owners of small farms within the five villages surrounding Mount Kasigau in Southeast Kenya to quantify losses due to wildlife depredation on both subsistence and cash crops as well as to discover the patterns and variables influencing farmer-wildlife confrontations in the region. We found no statistically significant correlations among the value of damage per acre, the distance from the bush, or the distance to the nearest water source. We did find statistical significance …
The Planet, 2011, Spring, Mitch Olsen, Huxley College Of The Environment, Western Washington University
The Planet, 2011, Spring, Mitch Olsen, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Virginia Wetlands Report Vol. 26, No. 1, Virginia Institute Of Marine Science, Center For Coastal Resources Management
Virginia Wetlands Report Vol. 26, No. 1, Virginia Institute Of Marine Science, Center For Coastal Resources Management
Virginia Wetlands Reports
No abstract provided.
Dietary Ecology Of The Endangered Grevy's Zebra, Equus Grevyi, In Historic And Modern Laikipia, Susan Olszewski
Dietary Ecology Of The Endangered Grevy's Zebra, Equus Grevyi, In Historic And Modern Laikipia, Susan Olszewski
Summer Research
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The Grevy’s zebra, a highly endangered equid, has undergone the most dramatic reduction in population of any African mammal. The cause of this decline is largely unknown. Over the last 100 years, Kenya has undergone many changes in land use practice and policy that have lead to high densities of people and livestock in close proximity to wildlife. Recent studies suggest these increases in human population and livestock pressure in overgrazed areas have negatively shifted the diet of this the Grevy’s zebra. Using stable isotope analysis, this study proposes to create a dietary timeline …
Greening Rural Festivals: Ecology, Sustainability And Human-Nature Relations, Christopher R. Gibson, C Wong
Greening Rural Festivals: Ecology, Sustainability And Human-Nature Relations, Christopher R. Gibson, C Wong
Faculty of Science - Papers (Archive)
No abstract provided.
The Planet, 2011, Winter, Mitch Olsen, Huxley College Of The Environment, Western Washington University
The Planet, 2011, Winter, Mitch Olsen, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Interception In Open-Grown Douglas-Fir (Pseudotsuga Menziesii) Urban Canopy, Mitchell Bixby
Interception In Open-Grown Douglas-Fir (Pseudotsuga Menziesii) Urban Canopy, Mitchell Bixby
Dissertations and Theses
I hypothesized that Douglas-fir trees (Pseudotsuga menziesii) standing apart from other trees ('open-grown') will intercept more rainfall than Douglas-fir trees standing near other trees ('closed-canopy'). Open-grown trees differ structurally and are more common in urban settings, yet have been infrequently studied. Existing literature, based primarily on closed-canopy trees, suggests Douglas-fir trees in Pacific Northwest forests intercept approximately 25% of rainfall annually. Because open-grown trees have more vertical leaf area than individual trees in closed-canopy forests, I expected to find higher interception by open-grown trees.
I collected throughfall under four open-grown Douglas-firs using six static collectors ('buckets') per tree, …
Development And Testing Of An Unmanned Aircraft System For Environmental Science, Jerald James Brady
Development And Testing Of An Unmanned Aircraft System For Environmental Science, Jerald James Brady
Open Access Theses & Dissertations
For some environmental science applications, Unmanned Aircraft Systems (UASs) are increasingly recognized for their capacity to collect remotely sensed data in a safer, more efficient and effective manner than is permitted with manned aircraft and satellite remote sensing platforms. To date, however, technological, human, and other challenges have constrained adoption of UASs in the environmental sciences. This study developed and tested a new UAS for an archetypical environmental science research group (stakeholder) composed of non-UAS experts. Specifically, this thesis: 1) Assessed the research and operational needs of the stakeholder to determine the optimum UAS platform; 2) Developed an Unmanned Aerial …
Proceedings Of The 2011 International Conference On Karst Hydrogeology And Ecosystems, Jason Samuel Polk, Leslie A. North
Proceedings Of The 2011 International Conference On Karst Hydrogeology And Ecosystems, Jason Samuel Polk, Leslie A. North
Environmental Sustainability Books
Jointly sponsored by the Hoffman Environmental Research Institute, the National Cave & Karst Research Institute, and the International Association of Hydrogeologists, the 2011 International Conference on Karst Hydrogeology and Ecosystems was held at Western Kentucky University in Bowling Green, Kentucy on 8-10 June 2011. Topics include karst geomorphology, engineering and modeling, isotope geochemistry, and cultural and educational aspects of karst environments.
Productivity And Trophic Interactions In The Missouri River Impoundments, Mark J. Fincel
Productivity And Trophic Interactions In The Missouri River Impoundments, Mark J. Fincel
Electronic Theses and Dissertations
Standardized monitoring is a vital component of fisheries assessment in Missouri River impoundments. In South Dakota, annual variation in fish growth and abundance is used to monitor changes in fish populations and develop strategies (i.e. regulations) for managing recreational fishes. Although variation in fish abundance provides important insight into the status of fish populations, it can be difficult to link these changes to environmental conditions (i.e. hydrology) without concurrent information about reservoir productivity. Measures of nutrient concentration, algal biomass, and zooplankton composition/abundance provide important insights into reservoir productivity, but standardized approaches for collecting these measures have not been developed for …
Influences Of Landscape Characteristics On The Nesting Ecology Of Female Wild Turkeys And Behavior Of Raccoons, Michael E. Byrne
Influences Of Landscape Characteristics On The Nesting Ecology Of Female Wild Turkeys And Behavior Of Raccoons, Michael E. Byrne
LSU Doctoral Dissertations
Nest predation is the principle source of reproductive failure in many bird species. Understanding nest predation requires knowledge of interactions between landscape characteristics, and the ecology and behavior of birds and local nest predators. I studied nesting ecology and multi-scale habitat selection of female wild turkeys and the habitat selection and searching behaviors of raccoons, an important nest predator, in a bottomland hardwood forest in Louisiana. My objective was to evaluate the relationships between habitat, wild turkey nest site selection, and raccoon foraging behavior. I used first-passage time (FPT) analysis on nightly foraging tracks of raccoons during the turkey nesting …