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Articles 541 - 570 of 604
Full-Text Articles in Entire DC Network
Edison Community College General Catalog 2002-2003, Edison Community College
Edison Community College General Catalog 2002-2003, Edison Community College
FSW Course Catalogs
Edison Community College General Catalog Volume Forty One. 2002-2003. Scanned by Internet Archive.
The Dream Is Alive … And Well, Aldemaro Romero Jr.
The Dream Is Alive … And Well, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Quo Vadis Environmental Studies?, Aldemaro Romero Jr.
Quo Vadis Environmental Studies?, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Complex Decapod Burrows And Ecological Relationships In Modern And Pleistocene Intertidal Carbonate Environments, San Salvador Island, Bahamas, H. Allen Curran, Anthony J. Martin
Complex Decapod Burrows And Ecological Relationships In Modern And Pleistocene Intertidal Carbonate Environments, San Salvador Island, Bahamas, H. Allen Curran, Anthony J. Martin
Geosciences: Faculty Publications
Burrowing by thalassinidean shrimp in modern tropical, shallow-subtidal to intertidal carbonate environments is widespread and a powerful agent of bioturbation, particularly within sandy substrates. Deep and intense burrowing by callianassids commonly occurs along the intertidal margins of hypersaline lagoons throughout the Bahamas, such as Pigeon Creek on San Salvador Island, where the sediments of extensive sand flats are thoroughly bioturbated by Glypturusacanthochirus. In addition to dominating the deep-tier infauna, G. acanthochirus is a true ecosystem engineer, and its prodigious burrowing activity results in a highly mounded topography. On sand flats, individual sediment cones commonly coalesce with time to form large …
A Place To Stand: Wilderness And Civilization, Clancy Flynn Neilsen
A Place To Stand: Wilderness And Civilization, Clancy Flynn Neilsen
Whittier Scholars Program
This senior project is a research paper based on philosophy and social theories and their application to environmental studies. Some references the student uses are well known theorists and thinkers such as John Locke, Michel Foucault, Adam Smith, Karl Marx, and Henry David Thoreau. They write, Understanding the problem of wilderness and its historicity is more important today than ever. Turning the focus of theory onto wilderness can help us understand and correct, not only ecological issues, but social problems as well. Wilderness has always been a place symbolic of great freedom. Its permanent degradation would be a blow to …
Cc: Connecticut College Magazine, Winter 2003, Connecticut College
Cc: Connecticut College Magazine, Winter 2003, Connecticut College
Alumni News/Connecticut College Magazine
No abstract provided.
Human Health Effects Of A Changing Global Nitrogen Cycle, Alan R. Townsend, Robert W. Howarth, Fakhri A. Bazzaz, Mary S. Booth, Cory C. Cleveland, Sharon K. Collinge, Andrew P. Dobson, Paul R. Epstein, Elisabeth A. Holland, Dennis R. Keeney, Michael A. Mallin, Christine A. Rogers, Peter Wayne, Amir H. Wolfe
Human Health Effects Of A Changing Global Nitrogen Cycle, Alan R. Townsend, Robert W. Howarth, Fakhri A. Bazzaz, Mary S. Booth, Cory C. Cleveland, Sharon K. Collinge, Andrew P. Dobson, Paul R. Epstein, Elisabeth A. Holland, Dennis R. Keeney, Michael A. Mallin, Christine A. Rogers, Peter Wayne, Amir H. Wolfe
Ecosystem and Conservation Sciences Faculty Publications
Changes to the global nitrogen cycle affect human health well beyond the associated benefits of increased food production. Many intensively fertilized crops become animal feed, helping to create disparities in world food distribution and leading to unbalanced diets, even in wealthy nations. Excessive air- and water-borne nitrogen are linked to respiratory ailments, cardiac disease, and several cancers. Ecological feedbacks to excess nitrogen can inhibit crop growth, increase allergenic pollen production, and potentially affect the dynamics of several vector-borne diseases, including West Nile virus, malaria, and cholera. These and other examples suggest that our increasing production and use of fixed nitrogen …
Disasters First: Rethinking Environmental Law After September 11, Michael B. Gerrard
Disasters First: Rethinking Environmental Law After September 11, Michael B. Gerrard
Faculty Scholarship
Many environmental statutes were enacted, or at least spurred along, in direct response to disasters. The Federal Water Pollution Control Act of 1972 followed from the Santa Barbara Oil Spill; the Emergency Planning and Community Right-to-Know Act (EPCRA) resulted from the chemical gas disaster in Bhopal, India; the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) was sparked by the Love Canal incident; and the Oil Pollution Acte was a reaction to the Exxon Valdez oil spill.
The terrorist attacks of September 11, 2001 have led to the Homeland Security Act and to several other enactments. The collapse of the …
Use Of Gis And A Modified Habitat Suitability Index Model To Quantify Columbian Sharp-Tailed Grouse Habitats In The Upper Blackfoot Valley Montana, Matthew C. Fitzpatrick
Use Of Gis And A Modified Habitat Suitability Index Model To Quantify Columbian Sharp-Tailed Grouse Habitats In The Upper Blackfoot Valley Montana, Matthew C. Fitzpatrick
Graduate Student Theses, Dissertations, & Professional Papers
No abstract provided.
Nutrients Algae And Beneficial Use Support Assessment Of The Boulder River, John M. Dearment
Nutrients Algae And Beneficial Use Support Assessment Of The Boulder River, John M. Dearment
Graduate Student Theses, Dissertations, & Professional Papers
No abstract provided.
Combining Dynamic Cartography And Temporal Gis To Visualize Industrial Development In Kitchener, Ontario, Canada, Shawn Mueller
Combining Dynamic Cartography And Temporal Gis To Visualize Industrial Development In Kitchener, Ontario, Canada, Shawn Mueller
Theses and Dissertations (Comprehensive)
This thesis uses dynamic cartography and temporal geographic information systems (GIS) to explore visualization of the industrial development of Kitchener, Ontario. The discussion centres on the nature of dealing with temporal data in geography. This project addresses this issue by constructing a temporal dataset that accounts for the historical location of industrial/manufacturing businesses in Kitchener. Based on this temporal data, animated visualizations are then constructed that show the cadence and distribution of industrial development in Kitchener. The visualization process used by this project makes use of the inherent temporality of GIS to plan and construct animated visualizations in a way …
Dynamics Of Woodchip Trade Between Australia And Japan, And Need For International Cooperation Of Forest Advocates, Mari Yoshimura
Dynamics Of Woodchip Trade Between Australia And Japan, And Need For International Cooperation Of Forest Advocates, Mari Yoshimura
Graduate Student Theses, Dissertations, & Professional Papers
No abstract provided.
Insights- January 2003, Erika Malek
Teacher Perceptions Of Iowa Workshop Model Aspects Fostering Use Of Project Wet, Marcene Seavey
Teacher Perceptions Of Iowa Workshop Model Aspects Fostering Use Of Project Wet, Marcene Seavey
Dissertations and Theses @ UNI
State partners of national environmental education (EE) programs contribute to professional development in EE through their program delivery. This study describes teacher perceptions of individual elements of EE workshops provided by one such program, Iowa Project WET. The study found that educators associate three types of workshop activities with successful classroom integration of Project WET activities: ( a) Experiencing activities first-hand, (b) interacting with other educators, and (c) learning about the Project WET Activity and Curriculum Guide. Almost 90% of survey respondents integrate some of the activities they experience during the workshop into their classrooms. Some of these teachers also …
Review Of The Three Ecologies, By Felix Guattari, Matthew Wolf-Myer
Review Of The Three Ecologies, By Felix Guattari, Matthew Wolf-Myer
Reconstruction: Studies in Contemporary Culture
No abstract provided.
Ethics And Ecology| An Environmental History Of Bear Hunting In Western Montana, D. S. Morris
Ethics And Ecology| An Environmental History Of Bear Hunting In Western Montana, D. S. Morris
Graduate Student Theses, Dissertations, & Professional Papers
No abstract provided.
Descriptive Noxious And Invasive Weed Survey And Integrated Weed Management Framework Of The Inland Sea Shorebird Reserve, Amy L. Barry
Descriptive Noxious And Invasive Weed Survey And Integrated Weed Management Framework Of The Inland Sea Shorebird Reserve, Amy L. Barry
Graduate Student Theses, Dissertations, & Professional Papers
No abstract provided.
Elucidating The Elephant: Interdisciplinary Law School Classes, Kim Diana Connolly
Elucidating The Elephant: Interdisciplinary Law School Classes, Kim Diana Connolly
Journal Articles
No abstract provided.
Regional Water Quality Models For The Prediction Of Eutrophication Endpoints, Anindita Das
Regional Water Quality Models For The Prediction Of Eutrophication Endpoints, Anindita Das
LSU Master's Theses
Eutrophication is a process by which a waterbody progresses from its origin to its extinction. During this period, there is a gradual accumulation of nutrients and organic biomass, accompanied by a decrease in average depth of the water due to sediment accumulation, and an increase in primary productivity, usually in the form of dense algal blooms. Cultural eutrophication occurs when humans, through their various activities, greatly accelerate this process. Eutrophication can cause loss in species diversity, fish kills, and decrease the aesthetic value of a waterbody. The EPA is trying to prevent cultural eutrophication by setting standards for water quality …
Factors Affecting Participation In City Recycling Programs, Stacy Marie Lockhart
Factors Affecting Participation In City Recycling Programs, Stacy Marie Lockhart
LSU Master's Theses
Recycling consists of diverting or recovering materials from the solid waste stream that would otherwise end up returning to the environment as a potential source of pollution. These collected materials are then used as raw materials in the manufacture or assembly of a new product or package. Over the years the amount of municipal solid waste being generated per person has steadily increased. Waste disposal costs are also increasing, making recycling even more important. To address this issue cities are developing recycling policies or plans. The type of plan varies according to the area; as of this time there are …
Field Validation Of Bentazon Phytoremediation, Sajida Begum
Field Validation Of Bentazon Phytoremediation, Sajida Begum
LSU Master's Theses
Phytoremediation with black willow (Salix nigra) was conducted in 1996 by planting trees at a density of 2000 trees/hectare at BASF Corporation in a shallow groundwater plume containing low levels of bentazon. In this project, the roots, stems,and leaves of the black willow plants were extracted and analyzed to see if bentazon from the ground water was taken up by the plants. Different extraction procedures such as liquid-phase extraction and solid-phase extraction were compared. Final determination using different analytical techniques such as GC-MSD, GC-ECD, and HPLC with UV detection for the isolation and analysis of bentazon residues from the plant …
Effect Of Temperature On Efficiency Of In Situ Bioremediation Technology: A Laboratory Microcosm And Field Study, Javed Iqbal
Effect Of Temperature On Efficiency Of In Situ Bioremediation Technology: A Laboratory Microcosm And Field Study, Javed Iqbal
LSU Master's Theses
Laboratory microcosm experiment and parallel ex situ bioremediation studies were conducted to study the effect of temperature on in situ bioremediation systems installed at Superfund site in southeast Georgia. Laboratory microcosms, inoculated with PAHs/phenols specific microorganisms, at high temperatures (42±2°C; 107±3°F) demonstrated a significant reduction of residual polycyclic aromatic hydrocarbons (PAHs) and selected phenols from 4927±1356ng/g dry weight soil to 1158±530ng/g with a kinetic rate of 76.1±16.8ng/g/day (84% reduction; p≤0.01) in 49days. High temperature non-inoculated microcosms were reduced of residual PAHs and phenols from 1117±436ng/g to 341±116ng/g with a kinetic rate of 15.8±6.5ng/g/day (65% reduction; p≤0.01) in 49days. Low temperature …
Pcr Inhibition And Toxic Effects By Sediment Samples Exposed To Drilling Muds, Neal Gilpin Satterly
Pcr Inhibition And Toxic Effects By Sediment Samples Exposed To Drilling Muds, Neal Gilpin Satterly
LSU Master's Theses
This study evaluated the PCR inhibition and toxic effects by sediment samples exposed to drilling muds. This information was gathered in an attempt to identify what effect, if any, drilling muds had on the microbial community structure in sediments around four specific oil-drilling platforms in the Gulf of Mexico. Sediment samples were taken before and after drilling had taken place around two platforms (GB516 and VK916), and sediment samples were taken after drilling had taken place around two other platforms (MC292 and GB602). After using traditional, non-selective DNA extraction methods, successful amplification took place via PCR with all pre-drilling samples …
Purification And Antioxidant Activities Of Soybean Isoflavones, Qiju Wu
Purification And Antioxidant Activities Of Soybean Isoflavones, Qiju Wu
LSU Master's Theses
An efficient procedure was developed and used to extract and purify isoflavones from defatted soy flour. The purity of the final product reached 94%. The antioxidant activities of soybean isoflavones (genistein and daidzein purchased from Sigma Chemical Co, and a mixture of isoflavone glycosides extracted from defatted soy flour) were investigated by a cholesterol oxidation model accelerated by 2,2’-azobis(2-methylpropionamidine) dihydrochloride (AAPH). All components exhibited very high antioxidant activities in the inhibition of cholesterol oxidation. Genistein had higher inhibition to the formation of 5,6beta-epoxycholesterol (5,6b-EP) and 7-ketocholesterol (7-keto), while no significant difference was found between the antioxidant activities of daidzein and …
Comparative Analysis Of State Environmental Enforcement In Region Six Of The United States, Rebecca Marcus
Comparative Analysis Of State Environmental Enforcement In Region Six Of The United States, Rebecca Marcus
LSU Master's Theses
Through intense studies of agency audits, EPA policies and documents, state environmental compliance data and state agency issued documents, I have evaluated the enforcement programs of Region Six state environmental agencies. The four elements utilized to perform this evaluation were listed in EPA compliance assurance program documents. The analysis was conducted by comparing state program performance in each element. Element 1 is the “appropriate identification of violations.” Element 2 is the “timely issuance of enforcement actions.” Element 3 is the “escalation of enforcement actions when violations continue.” Element 4 is the “ability to assess and collect penalties.” These elements are …
Quantitative Assessment Of Habitat Preferences For The Puerto Rican Terrestrial Frog, Eleutherdoctylus Coqui, Karen H. Beard, S. Mccullough, A. K. Eschtruth
Quantitative Assessment Of Habitat Preferences For The Puerto Rican Terrestrial Frog, Eleutherdoctylus Coqui, Karen H. Beard, S. Mccullough, A. K. Eschtruth
Wildland Resources Faculty Publications
We conducted a quantitative analysis of adult and juvenile Eleutherodactylus coqui (coquí) habitat preferences in Puerto Rico. The analysis consisted of two surveys: one to quantify potential habitat and another to quantify habitat use. Coquís were found to use most habitats available to them; however, adults and juveniles preferred different plant species, habitat structural components, and heights from the forest floor. Adult and juvenile coquís had opposite associations with many important plant species in the forest (e.g., Prestoea montana and Heliconia carabea) and habitat structural components. Adults had a negative association with leaves and a positive association with leaf litter. …
Upland Rice And Allelopathy, N. K. Fageria, V. C. Baligar
Upland Rice And Allelopathy, N. K. Fageria, V. C. Baligar
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Upland rice (Oryza sativa L.) is mainly grown in Asia, Africa and Latin America. Yield potential of upland rice is quite low and invariably this crop is subjected to many environmental stresses. Further, when upland rice is grown in monoculture for more than two to three years on the same land, allelopathy or autotoxicity is frequently reported. Allelopathy involves complex plant and plant chemical interactions. The level of phytotoxicity of allelochemicals is influenced by abiotic and biotic soil factors. Adopting suitable management strategies in crop rotation can reduce or eliminate allelochemicals phytotoxicity. Rice yields can be improved by growing …
Aviation Opportunities In Ecotourism, Mary M. Snow, Richard K. Snow
Aviation Opportunities In Ecotourism, Mary M. Snow, Richard K. Snow
Journal of Aviation/Aerospace Education & Research
Ecotourism is a specialized form of tourism designed to allow the exploration of unique natural and cultural areas while creating a positive impact on local communities. As the primary mode of international transportation, aviation stands to benefit further from the burgeoning ecotourism market. This paper presents data that demonstrate the unprecedented growth of ecotourism in recent years and suggests opportunities the industry offers those in the field of aviation. Also discussed is the potential for achieving a greater degree of economic and ecologic sustainability for ecotour destinations.
Winter 2003, Nsu Oceanographic Center
Northeastern Illinois University, Academic Catalog 2003-2004, Northeastern Illinois University
Northeastern Illinois University, Academic Catalog 2003-2004, Northeastern Illinois University
Course Catalogs
No abstract provided.