Digital Commons Network^™

Environments Of Aeolian Deposition In South-Central Nebraska During The Last Glacial Maximum, Zhao-Dong Feng, William C. Johnson, Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

The Peoria loess of south-central Nebraska, deposited approximately during the last Glacial Maximum, can be subdivided into three zones: an upper laminated loess and a lower massive loess, separated by a dark gley zone in which bison bones and spruce charcoal are found. The lower Peoria unit is characterized by high organic matter content, relatively high bulk density, and common root channels. The upper Peoria unit has rhythmic patterns of two orders: strongly gleyed and weakly gleyed zones alternating in couplets about 2-5 m thick, and coarse- and fine-grained laminae of second order, about 2-4 mm thick. The strongly gleyed …

The Evolving "Takings" Doctrine: The Supreme Court Poses A Challenge For Coastal Zone Management, Catherine L. Chase

Marine Affairs Theses and Major Papers

There is an increasingly powerful and vocal group coalescing in society today, sometimes described as anti-environmentalists or Property Firsters, who feel that the government has exceeded its authority in interfering with individual rights for the purpose of protecting natural resources. Regardless of any personal convictions regarding this often emotionally-charged issue, people involved in coastal management and planning should be aware of the changes in legal doctrines which have come about as a result of "property first" challenges to regulatory or zoning statutes. These challenges have been pursued successfully in the courts by characterizing state and local land use ordinances as …

The Persian Gulf Oil Spill: A Case Study Of Emerging International Law On Environmental Damages During Hostilities, Esther J. Mcclure

Marine Affairs Theses and Major Papers

During the 1991 Persian Gulf War, the retreating Iraqis caused the deliberate discharge of six million barrels of oil into the shallow waters of the Persian Gulf. The immediate impact on the ecosystem was dramatic, and, because of the intense media coverage of the conflict, highly visible to the American public. The spill popularized the term 'ecoterrorism' and raised serious questions about the applicability of international law to the situation. There are numerous conventions that seek to establish standards of due diligence for the prevention of accidental pollution and to impose civil liability on those who damage the environment, but …

Exploring The Islands: An Educator's Manual For Teaching Primary Students About The Channel Islands, Debra Jean Everton

Theses Digitization Project

No abstract provided.

A Thematic Guide Involving Students In Literature-Based Activities Utilizing Animals, Carole Anne Mattera, Patricia Anne Atherton

Theses Digitization Project

No abstract provided.

Crowned Sparrows, Jerry Clark, Scott E. Hygnstrom

Prevention and Control of Wildlife Damage Handbook

White-crowned sparrows (Zonotrichia leucophrys) are distinguished by their pink or yellowish bill, erect posture, gray throat and breast, and prominent crown streaked with black and white. Geographic races, including the mountain (Z. l. oriantha), Gambel’s (Z. l. gambelii), Nuttall’s (Z. l. nuttalli), and Puget Sound white-crowned sparrow (Z. l. pugetensis) show minor differences in head pattern, bill color, and song. Their songs vary geographically, but consist primarily of clear whistles. White-crowned sparrows are abundant in the western United States. They breed primarily …

Predicting The Past, Recounting The Future: Human Ecology And A Prehistory Of Consciousness, Paul Faulstich

Pitzer Faculty Publications and Research

This paper is concerned with the organic derivation and primary meaning of Pleistocene finger flutings; I propose that in order to gain insight into the significance of the flutings, we must attempt an understanding of the physical and mental contexts in which they emerged. I suggest that finger flutings provided a cultural record in the Pleistocene which documented thought and action, and made it ready for reflection. Through the process of finger fluting, the human 'self' was objected and reality was modified in the experience of self-consciuosness. I argue that finger flutings, like language, were employed to discover and convey …

An Inventory And Condition Survey Of The Murchison River Catchment, Western Australia, Peter James Curry, A L. Payne, K A. Leighton, P Hennig, D A. Blood

Technical Bulletins

The inventory and condition survey of the Murchison River catchment and surrounds, undertaken by the Department of Agriculture between 1985 and 1988, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed by field work during 1985-88 …

An Inventory And Condition Survey Of Rangelands In The North-Eastern Goldfields, Western Australia, H J. Pringle, S A. Gilligan, A M E Van Vreeswyk

Technical Bulletins

The inventory and condition survey of the north-eastern Goldfields, undertaken by the Department of Agriculture and Food, Western Australia (DAFWA) between 1988 and 1990, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed covers about 100 …

Geochemical Evidence Of Saharan Dust Parent Material For Soils Developed On Quaternary Limestones Of Caribbean And Western Atlantic Islands, Daniel R. Muhs, Charles A. Bush, Kathleen C. Stewart, Tracy R. Rowland, Russell C. Crittenden

United States Geological Survey: Staff Publications

Most previous workers have regarded the insoluble residues of high-purity Quatemary limestones (coral reefs and oolites) as the most important parent material for well-developed, clay-rich soils on Caribbean and western Atlantic islands, but this genetic mechanism requires unreasonable amounts of limestone solution in Quatemary time. Other possible parent materials from external sources are volcanic ash from the Lesser Antilles island arc and Saharan dust carried across the Atlantic Ocean on the northeast trade winds. Soils on Quatemary coral terraces and carbonate eolianites on Barbados, Jamaica, the Florida Keys (United States), and New Providence Island (Bahamas) were studied to determine which, …

Impacts Of Biological Invasions On The Management And Recovery Of Rare Plants In Haleakala National Park, Maui, Hawaiian Islands, Lloyd Loope, Arthur Medeiros

United States National Park Service: Publications

Biological invasions assisted by humans are impoverishing biological diversity worldwide (MacDonald et al. 1989, Diamond 1989). Such invasions are particularly devestating to the biota of oceanic islands such as Hawaii (Williamson 1981, Brockie et al. 1988, Hawaii Department of Land and Natural Resources et al. 1991). Ecosystems of the Hawaiian Islands are much more vulnerable to biological invasions than are continental ecosystems, because the organisms in them have evolved in isolation from many of the forces that have shaped continental organisms, including foraging and trampling by herbivorous mammals, predation by ants and mammals, virulent diseases, and fires (Loope & Mueller-Dombois …

Effect Of Reservoir Function On Water Quality And Phytoplankton In Lake Taylorville, Christian County, Illinois, Scott Warren Phipps

Masters Theses

As is true for most reservoirs in agricultural areas, Lake Taylorville is currently impacted by excess sedimentation. A system of floodplain wetlands, holding ponds, and sediment basins is being constructed on the tributaries to the reservoir in effort to reduce sediment and nutrient loads. A comprehensive twelve-month assessment of water quality has been conducted to provide a baseline for evaluating the success of this restoration project and to allow predictions regarding future management strategies.

In reservoirs, a continuum of longitudinal gradients result in the establishment of three distinct zones possessing unique physical, chemical and biological properties. The function of these …

The Electronic Bulletin Board As A Means Of Professional Communication Among Physics Teachers, Donald L. Mcgarry

CCAC Theses and Dissertations

Teachers of secondary school physics are often physically isolated from their peers; that is, they do not have as much contact with their physics colleagues as they desire. One reason for this physical isolation is the relatively small population of students enrolled in high school physics courses resulting in small numbers of physics teachers per school. Another is that many physics teachers are teaching physics only part time.

One method of communication among teachers has the potential to improve professional communication among physics teachers. This is the computer operated electronic bulletin board system (BBS). Bulletin board systems and variants have …

Extension And Education Materials For Sustainable Agriculture, Volume 2, James W. King, Charles A. Francis

CARI Extension and Education Materials for Sustainable Agriculture

Extension and Education Materials for Sustainable Agriculture

Curricula in Sustainable Agriculture

Introduction to Curricula in Sustainable Agriculture

Sustainable Agriculture, Agronomy 493/593 Course Outline

Sustainable Agriculture, Agronomy 493/AG*SAT

Principles and Practices of Sustainable Agriculture

Agricultural Ecosystems

Agricultural Ecology

Agroecology

Agricultural Ecology and Sustainability

Alternative Agriculture Curriculum

Sustainable Agriculture (B.S.)

Environment and World Food Production

Issues (Advanced) in Sustainable Agriculture

Crops, Soil, and Civilization, Agronomy 440

Master of Science in Sustainable Systems

Agricultural Ecology

National Curriculum for Sustainable Agriculture

Reshaping Undergraduate and Graduate Education to Include a Whole Systems Emphasis

Sustainable Agriculture Education: A Panel

Impact of Sustainable Agriculture Programs on United.States …

Public Understanding Of Science: Science Literacy And Its Implications For Effective Public Policy Formulation, Sara C. Hickox

Marine Affairs Theses and Major Papers

The focus of this paper is to analyze contemporary literature dealing with public understanding of science, the role of the public in formulation of public policy related to science and technology issues, and the role of science education in combating scientific illiteracy. An attempt is made to synthesize information about the state of scientific literacy (sometimes called technological, ecological, or environmental literacy) and to assess the implications of an increase in the public's knowledge of science and technology in their becoming more involved in the public policy arena. Further, this paper addresses the increasingly important role of formal and non-formal …

The Source Hydrology Of Severe Sustained Drought In Th Southwestern U.S., David G. Tarboton

Reports

This paper considers the risk of drought and develops drough scenarios for use in the study of severe sustained drought in the Southwestern United States. The focus is on the Colorado River gbasin and regions to which Colorado River water is exported, especially southern California, which depends on water from the Colorado River as well as the four major rivers in northern California. Drought scenarios are developed using estimates of unimpaired historic streamflow as well as reconstructions of streamflow based on tree ring widths. Drought scenarios in the Colorado River are defined on the basis of annual flow at Lees …

Opportunities For Integration In Institutional Arrangements For Water Management In The Yukon, Patrick James Dooling

Theses and Dissertations (Comprehensive)

The history of water resources management in the Yukon has been characterized by conflict. This problem is due to the failure to address the interrelationships between water and land resources. Although many parts of the Yukon remain largely undisturbed wilderness areas, development pressures place increasing demands on Territorial water resources. To ensure these stresses do not degrade Yukon waters to the extent common in many Canadian regions, a reevaluation of the legal and administrative arrangements for water management in the Yukon is required. A majority of the legislation pertaining to water management in the Yukon was introduced in the 1970s …

An Ecosystem Approach To Wildlife Management In Wilderness Areas: A Case Study Of The Greater Kluane Region, Lori Katherina Krebs

Theses and Dissertations (Comprehensive)

This research examines the implications of an ecosystem approach to planning and management for sustainable wildlife populations within a wilderness setting. Kluane National Park Reserve and the surrounding region are the focus of the study, providing a relatively unaltered ecosystem in which to explore certain questions regarding ecosystem-based wildlife management. The ever increasing human population and constant surge of development are placing more and more pressure on remaining natural resources. Wilderness areas and wildlife habitat are disappearing rapidly, and the north is receiving unprecedented activity in the search for remaining resources. Management strategies must be created which will be capable …

Glacial Deposits, Vol. 22, 1993-1994, Department Of Geography-Geology

Glacial Deposits

Newsletter of the Department of Geography-Geology

Les Grottes Aménagées Et L'Union Internationale De Spéléologie (1965-1990), Hubert Trimmel

International Journal of Speleology

The initiatives of the International Union of Speleology concerning the show caves, approved during various International Congresses of Speleology are here reported. Among other things, an attempt of having a list of show caves is also recalled but only recently such an attempt produced successfully a document. An example of it is also given.

John Muir Newsletter, Winter 1993/1994, John Muir Center For Regional Studies

Muir Center Newsletters (1981-2015)

John Muir Newsletter winter 1993-94 university of the pacific volume 4, number 1 JOHN MUIR IN RUSSIA PART TWO by William H. Brennan (The second of a three-part series) During the reign of the Empress Catherine the Great, who lived over a century before Muir's journey to Old Russia, a curious incident occurred. The Empress, noted for being near-sighted, had prepared a boat excursion for a group of European royalty. She had wanted to show them the countryside with its prosperity and happy peasants. Her one-time lover and now chief advisor, Gregory Potemkin, knew that the visitors were bound to …

Directory Of Water Resource Experts At Arkansas Universities And Colleges, Kenneth F. Steele

Arkansas Water Resources Center Technical Reports

The objective of this publication is to identify those faculty and staff scientists in the universities and colleges of Arkansas who are actively conducting research on water resource issues and problems. Undoubtedly, we have omitted several such researchers, but hopefully, a second edition of this publication will be more complete.

Field Test Of A Calcite Dissolution Rate Law: Fort’S Funnel Cave, Mammoth Cave National Park, J. Scott Slunder

Masters Theses & Specialist Projects

The laboratory-derived calcite dissolution rate law of Plummer et al. (1978) is the most widely used and mechanistically detailed expression currently available for predicting dissolution rates as a function of water chemistry. Such rate expressions are of great use in understanding timescales associated with limestone karst development. Little work has gone into the field testing of the rate law under natural conditions.

This work compared measured dissolution rates measured by a crystal weight loss experiment in Buffalo Creek within Fort’s Funnel Cave, which lies within a pristine, forested catchment of Mammoth Cave National Park. Continuous water chemistry sampling over the …

A Prototype Architecture For An Automated Scenario Generation System For Combat Simulations, Mark W. Pfefferman

Theses and Dissertations

This research effort examines the problem of automating the scenario generation process and presents a prototype architecture for an automated scenario generation system. This architecture is designed using an object- oriented approach which leads to a modular and modifiable design. The architecture provides a mechanism for automatically generating scenario files from a textual US Army operation order. This translation process occurs in two phases. First, the text operation order is translated into an intermediate format called the mission file. In the second phase, the system reads the mission file, instantiates intelligent entities, and assigns missions to those entities. The intelligent …

Sea Tenure And The Management Of Living Marine Resources In Papua New Guinea, David Hyndman

Pacific Studies

No abstract provided.

A Study Of Aquifer Sensitivity And Vulnerability In Kalamazoo County, Michigan Based On Hydrogeologic And Agricultural Factors, Steven Douglas Chidester

Masters Theses

Groundwater in Kalamazoo County, Michigan has been impacted by human activities. This study presents a statistical method for predicting aquifer sensitivity/vulnerability within a glacio-hydrogeologic system.

Computerized data including 3620 water well records with partial chemical analyses, soil surveys, land use maps, and hydrogeologic reports were used to quantify aquifer parameters, nitrate-N contaminant concentrations, soil factors, and agricultural practices. Statistical analyses included simple t-tests , correlation, ANOV A, and multiple regression analyses.

The results indicate that there are statistically significant relationships between nitrate-N concentrations and depth of well submergence, well depth, clay thickness, partial clay thickness, land use, and soil slope. …

Atmospheric Depositional Fluxes Of 7Be And 210Pb At Galveston And College Station, Texas, M. Baskaran, Charles H. Coleman, Peter H. Santschi

Environmental Science and Geology Faculty Research Publications

The bulk depositional fluxes of ²¹⁰Pb and ⁷Be were measured at a coastal (Galveston) and an inland (College Station) station for about 3 years, between 1989 and 1991. The annual depositional fluxes of ⁷Be and ²¹⁰Pb at Galveston during this period varied by a factor of about 2.5, between 8.9 and 23.2 disintegrations per minute (dpm) cm⁻² yr⁻¹, with a mean of 14.7 dpm cm⁻² yr⁻¹ for ⁷Be, and 0.67 and 1.71 dpm cm⁻² yr⁻¹, with a mean of 1.03 dpm cm⁻² yr⁻¹ for ^{210 …}

Strategic Minerals In The New World Order, Kent H. Butts

Books, Monographs & Collaborative Studies

The author discusses U.S. dependence on overseas sources of strategic minerals essential to sustain its economy and defense sector. U.S. vulnerability to a loss of access to important mineral supplies is more pronounced now than at any time since World War II. The uneven distribution of strategic mineral reserves and their concentration in a handful of politically unstable countries make it essential that U.S. policymakers ensure mineral availability in the new world order. The author considers the geographical imbalance of mineral trade patterns, evaluates the stability of the major strategic mineral producing countries, and assesses the potential for mineral supply …

A Review Of Baits And Bait Delivery Systems For Free-Ranging Carnivores And Ungulates, Samuel B. Linhart, Andreas Kappeler, Lamar A. Windberg

Contraception in Wildlife Management

Baits and bait delivery systems have been described for orally administering a variety of chemicals and biologicals to selected carnivores and ungulates. Development has varied from species for which bait preferences and means of distributing oral contraceptives have not yet been determined even on a limited scale (e.g., white-tailed deer) to cooperative, multicountry programs involving the annual distribution of millions of mass-produced oral rabies vaccine baits (e.g., red foxes in Europe). Much of the technical literature on the subject has appeared in sometimes obscure sources encompassing such fields as medical epidemiology, wildlife diseases, animal behavior, applied ecology, flavor chemistry, furbearer …

Predator Depredations On Sheep In Pennsylvania, Gary W. Witmer, Arnold Hayden, Michael Pipas

Wildlife Damage Management Conference

The eastern coyote (Canis Iatrans) has become common and widespread in many eastern states. We surveyed 331 sheep producers in Pennsylvania (PA); 22% reported predator losses in 1991, primarily to dogs and coyotes. Losses were heaviest in the southwest part of PA and producers reporting losses tended to have more sheep and more acreage in pasture. To reduce losses, producers used lambing sheds, fences, guard dogs and donkeys, confinement of sheep, trapping, and shooting. It appears that we can expect greater depredations in the future because of increased coyote numbers and a relatively low level of protection of …