Physical Sciences and Mathematics Commons^™

Speleothems As Proxy For The Carbon Isotope Composition Of Atmospheric Co2, M. Baskaran, R. V. Krishnamurthy

Environmental Science and Geology Faculty Research Publications

We have measured the stable isotope ratios of carbon in a suite of recent cave deposits (<200 >years) from the San Saba County, Texas, USA. The methodology for dating these deposits using excess ²¹⁰Pb was recently established [Baskaran and Iliffe, 1993]. The carbon isotope ratios of these samples, spanning the time period ∼1800–1990 AD, reflect the carbon isotope ratio of atmospheric CO₂ for the same period. The pathways by which the δ¹³C of atmospheric CO₂ is imprinted on these speleothems can be explained using a model developed by Cerling (1984). The results suggest that the …

Detection Of Alzheimer's Disease And Other Diseases Using An Improved Photoaffinity Labeling Method, Boyd E. Haley

Chemistry Faculty Patents

A method for diagnosing a neurological disease comprising detecting a neurological disease-specific biochemical marker macromolecule within a sample of extracted cerebral spinal fluid is disclosed. In particular, a radioactively labeled photoaffinity probe is used to diagnose a neurological disease. For instance, Alzheimer's disease can be diagnosed by detecting a disease-specific protein having a molecular weight of about 42,000 daltons, i.e., glutamine synthetase.

Alamat Klinik Penjual Obat Aborsi Tangerang Wa 08127092708 Obat Penggugur Kandungan Di Kota Tangerang, Wiwit Tangerang

Wiwit Tangerang

• BILA ANDA INGIN MELAKUKAN ABORSI KARENA TIDAK MENGINGINKAN SUATU PROSES KEHAMILAN KARENA ALASAN TERTENTU …

Klinik Obat Aborsi Di Jambi Wa 0822 2622 2323 Apotik Yang Menjual Cytotec Kota Jambi, Wulan Jambi

Wulan Jambi

A Theoretical Investigation Of The Geometries, Vibrational Frequencies, And Binding Energies Of Several Mixed Alkali Halide Dimers, Robert J. Cave, Ian Ono '94

All HMC Faculty Publications and Research

Results are presented from ab initio calculations on several mixed alkali halide dimers made up of Li, Na, F, and Cl. All of the dimers are investigated at the restricted Hartree–Fock level to provide ab initio estimates of geometries, vibrational frequencies, and binding energies. The dimer LiNaF2 is then treated using a variety of basis sets at the Hartree–Fock level, as well as at correlated levels (second‐order Møller–Plesset and coupled‐cluster singles and doubles) to examine the sensitivity of the calculations to use of higher levels of theory. The results are then compared to the experimental data available for the LiNaF2 …

Evidence For Day-To-Night Ion Transport At Low Solar Activity In The Venus Pre-Dawn Ionosphere, J. F. Brannon, Jane L. Fox, H. S. Porter

Physics Faculty Publications

Periapsis of the Pioneer Venus spacecraft dropped below 180 km on August 28, 1992 near midnight, and 42 orbits of low altitude data at moderately low solar activity in the pre-dawn sector were obtained before contact was lost to the spacecraft in October, 1992. Through a combination of analysis of data from the PV orbiter ion mass spectrometer (OIMS) and modeling, we consider here what can be learned about the relative importance of plasma transport from the dayside and electron precipitation in maintaining the nightside ionosphere during the re-entry period. In particular, we examine here the atomic ion density profiles. …

Plate Motions In The North Andean Region, Jeffrey T. Freymueller, James N. Kellogg, Victor Vega

Faculty Publications

Repeated geodetic measurements with the Global Positioning System (GPS) provide direct measurements of displacements due to plate motions and active crustal deformation in Central America and northern South America, an area of complex interaction of the Nazca, Cocos, Caribbean and South American plates. The displacement rates for the period 1988-1991, obtained from the results of the first three Central And South America (CASA) GPS campaigns, are in general agreement with the predictions of the NUVEL-1 plate motion model, but there are differences in detail between the observations and the model. The Nazca-North Andes convergence rate vector measured by GPS is …

Atmospheric Hydrocarbon Analysis, Dawei Han

Dissertations and Theses

This treatise studied two correlated important issues in atmospheric chemistry: real-time monitoring of ambient air and removal mechanisms of atmospheric hydrocarbons. An analytical system was designed for the purpose of identification and measurement of sub-ppb level hydrocarbons of different reactivities in air samples. This analytical system was then applied to a series of smog-chamber studies which simulated the removal of reactive hydrocarbons from the atmosphere by reaction with hydroxyl radicals. Six representative atmospheric hydrocarbons (hexane, octane, toluene, m-xylene, a-xylene and mesitylene) were selected for these experiments. The experimental data indicated that the decay of atmospheric hydrocarbons under laboratory conditions is …

The Evolutionary Relationships Of The Skunks To Each Other And The Rest Of The Weasels; With A Note On Behavioral Idiosyncrasies, Jerry W. Dragoo

Great Plains Wildlife Damage Control Workshop Proceedings

I will discuss four aspects of my current research with respect to skunks. The first concerns the recognition and conservation of potentially endangered populations of hog-nosed skunks. The second pertains to the evolutionary relationships among the three genera of skunks, based on genetic data. The third aspect also is based on molecular data, and is a study of the relationship of the skunks to the rest of the Mustelidae (weasels). Finally, I will discuss some of the behavioral idiosyncrasies I have observed in my endeavors to obtain skunk specimens.

Survey Of Nuisance Urban Geese In The United States, James E. Forbes

Great Plains Wildlife Damage Control Workshop Proceedings

Problems caused by Canada geese in urban areas include defecation and molted feathers on lawns and golf courses, fowling water supplies, noise, attacks upon small children, and bird hazard to aircraft at airports. Detailed discussion of nuisance Canada geese in Connecticut and New York are reported by Forbes (1982) and Converse (1985). This paper updates the survey of nuisance Canada geese in urban areas of the eastern U.S. by Conover and Chasko (1985).

Pred-X Field Test Results, R.A. Field, J.E. Nel

Great Plains Wildlife Damage Control Workshop Proceedings

During the spring and summer of 1992, a number of sheep producers used Pred-X ear tags to guard against predation by coyotes. We were able to contact 20 of these producers through the help of the Wyoming Wool Growers Association, county agents and companies who sold the tags. Sheep producers in other states also used the tags and we were able to contact 21 of these producers through the cooperation of the American Sheep Industry Association whose representatives printed a short letter and a survey form in the October 1992 National Wool Grower Magazine. Phone calls were made to many …

Bears, Ostriches, And Specialized Grazing: Putting Guanding Dogs To Work, Jeffrey S. Green, Roger A. Woodruff

Great Plains Wildlife Damage Control Workshop Proceedings

In this paper, we highlight three examples of using guarding dogs that, for various reasons, are somewhat different from the typical sheep-predator scenario.

Prospects For The Future In Animal Damage Control, Donald Hawthorne

Great Plains Wildlife Damage Control Workshop Proceedings

I am pleased to be here to address a subject that is very special to many of us, one to which I have devoted my entire career. Animal damage control is a controversial component of wildlife management. In the late 1960's and early 70's, many wildlife practitioners tried to divorce themselves from animal damage control activities. In recent years, however, management of wildlife damage is viewed by many as a vital and integral part of wildlife management, whether to protect human interests and safety or to save an endangered species.

A Bigger Piece Of Your Pecan Pie, J. Grant Huggins

Great Plains Wildlife Damage Control Workshop Proceedings

This video summarizes this research for application by pecan growers and animal damage control agents. It gives insight into growers' perceptions of the problem, estimates of losses, and options for management. Specifically, it discusses hunting, habitat modification, fencing, and trapping. Single copies (VHS only) of the video are available free by contacting the author.

State Program In Sotuh Dakota For Wildlife Damge Management, Emmett J. Keyser

Great Plains Wildlife Damage Control Workshop Proceedings

In recent years, wildlife professionals have become increasingly more convinced that wildlife-damage programs must be integrated into existing wildlife management structures if both are to succeed in their missions. South Dakota has managed a state-run Animal Damage Control Program through the Department of Game, Fish and Parks since 1974.

An Evaluation Of Laminated Offset Jawed Traps For Reducing Injuries To Coyotes, John M. Houben, Merrilee Holland, Sherman W. Jack, Carolyn R. Boyle

Great Plains Wildlife Damage Control Workshop Proceedings

Increasing public concern about injuries caused by foothold traps has resulted in a considerable amount of research for more humane traps. Much of this research effort has focused on evaluating the Victor No. 3 Soft-Catch trap manufactured by Woodstream Corporation, Lititz, Pennsylvania (Linhart and Dasch 1992). Research has concentrated on two major areas: (1) efficiency and selectivity of different trap types and modifications used for capturing coyotes (Canis latrans) and (2) reducing animal injuries associated with trapping (Phillips and Mullis 1991). The Soft-Catch trap has been shown to reduce foot injury sustained by most captured furbearers (Tullar 1984, Olsen et …

Prairie Vole Damage Control In No-Till Corn And Soybean, Ron A. Hines

Great Plains Wildlife Damage Control Workshop Proceedings

The prairie vole (Microtus ochragaster) is the primary rodent that reduces no-till crop plant stands in Southern Illinois. Because the vole requires a full canopy cover for protection from predators, established grass or legume sod fields and field borders (including wheat or rye stubble, set-aside and cover crop seedings) provide an ideal habitat for the development of a very high population of this rodent. In fields that have had the vegetative cover maintained for more than one year prior to planting no-till corn, plant stand reductions can reach 80 to 100 percent in intense (more than 30 per …

Twenty-Five Year History Of The Kansas Coyote Damage Control Program, F. Robert Henderson

Great Plains Wildlife Damage Control Workshop Proceedings

In the 1968 legislative session, an appropriate was made to Kansas State University to hire a predator and rodent control specialist. I was hired for this position on July 1, 1968. During August, 1968, I traveled to Missouri and spent a week working with Mr. Bob Smith, a long-time employee of the Missouri Conservation Department's Extension-Trapper program. He taught me how to teach people to trap coyotes.

Field Evaluation Of Three Strychnine Concentrations For Controlling Townsend's Pocket Gophers, George H. Matschke, Geraldine R. Mccann, Heather W. Krupa, John O'Brien

Great Plains Wildlife Damage Control Workshop Proceedings

Among requirements for the reregistration of strychnine, the Environmental Protection Agency (EPA) requires efficacy data from strychnine paste-alfalfa baits prepared with strychnine alkaloid paste (NV 830009). The EPA reviewed the data originally submitted by the state of Nevada for registering this strychnine alkaloid paste label and determined that more field efficacy data were needed to maintain the current registration. Therefore, additional efficacy data for strychnine paste-alfalfa baits on Townsend's pocket gopher (Thomomys townsendi) was requested from the state of Nevada.

Status Of M-44 Device, Charles D. Lee

Great Plains Wildlife Damage Control Workshop Proceedings

The purpose of this paper is to report on the current status of M-44 (sodium cyanide) capsule and its use. I have included information received from other states and entities that have a registration for M-44s, included some historical information concerning the M-44 program and the current source of supplies.

A Prairie Dog Abatement Program In San Juan County, Utah, Terry A. Messmer, Jim Keyes, Roy Mcdonald

Great Plains Wildlife Damage Control Workshop Proceedings

Four species of prairie dogs are native to the plains and plateaus of the western United States. The most abundant and widely distributed of these is the blacktailed prairie dog, (Cynomys ludovicianus). This species has been a frequent topic of discussion at previous Great Plains Wildlife Damage Control workshops.

Future Extension Programs On Wildlife Damage Management, James E. Miller

Great Plains Wildlife Damage Control Workshop Proceedings

Extension educational programs, in cooperation with other federal and state organizations, significantly contribute to the present status of wildlife damage management as understood by natural resources professionals and the interested public. Although Extension Service, USDA provides national leadership and coordination of programs, most of the effective programs originate at the state and local level Cooperative Extension Service, regardless of the subject matter. This is particularly true in the area of wildlife damage management. For example, a recent compilation of Extension publications and videotapes on wildlife damage management identifies well over 100 titles available throughout the CES System (Ruff, Craven and …

Wildlife Damge And The Iowa Farmer. The Influence Of Perspective, James L. Pease Ph.D.

Great Plains Wildlife Damage Control Workshop Proceedings

Over 90% of Iowa's land base is privately owned and managed for agriculture. Less than 2% is publicly-owned and managed specifically for wildlife. Thus, virtually all of Iowa's 36 million acres (14.8 million hectares) has been altered. Some 70% of the forests have been lost, over 95% of the wetlands drained, and over 99.9% of the native prairies have been converted to agricultural, transportation, or other human uses. Such extensive alteration of habitats encourages the wildlife species that are ecological generalists to flourish. These species are also those that are most likely to come into conflict with humans, competing with …

The Prairie Dog Ecosystems And Endangered Species, Daniel W. Mulhern, Kenneth L. Powell

Great Plains Wildlife Damage Control Workshop Proceedings

The prairie dog is no doubt one of the most controversial animals in the western United States. Public sentiment regarding this rodent runs the gamut from some livestock producers who are satisfied only with complete eradication of all prairie dogs, and some animal rights groups who would like to see all prairie dogs given complete protection from any form of harm. Between these two extremes lie the real truths surrounding this sometimes destructive, mostly biologically beneficial, creature.

Response Of A Mixed-Grass Prairie In Western Nebraska To Livestock Exclusion And Prairie Dog Control, Dallas Virchow, Scott E. Hygnstrom

Great Plains Wildlife Damage Control Workshop Proceedings

We examined responses of rangeland vegetation to exclusion of cattle and control of black-tailed prairie dogs ( n m s ludovicianus). Our objective was to determine the response in: 1) annual net primary production (ANPP) and 2) mean grass height (PH) to prairie dog control and/or livestock exclusion. We conducted the research in the northern mixed-grass prairie of Nebraska's central Panhandle. Average annual rainfall is shout 3 5 cm (14 in).

Utah State University's Berryman Institute For Wildlife Damage Management, Robert H. Schmidt, Michael R. Conover

Great Plains Wildlife Damage Control Workshop Proceedings

In 1990, the College of Natural Resources at Utah State University established a program dedicated to research, education, and extension in wildlife damage management (Schmidt et al. 1992a). This program was initiated with funding from the U. S. Department of Agriculture, Animal and Plant Health Inspection Service, Animal Damage Control (ADC) program and Utah State University.

Developing Risk Communication Skills: More Than Damage Management, Deanne Wright

Great Plains Wildlife Damage Control Workshop Proceedings

Risk communication provides a methodology that enables an organization to respond effectively to issues or situations of a controversial nature. It is one important aspect of risk management.

The Nature And Timing Of Wildlife Damage Events In Nebraska: A Five-Year Review Of Requests To Three Extension Wildlife Personnel, Dale J. Hafer, Scott E. Hygnstrom, Ron J. Johnson, Dennis M. Ferraro

Great Plains Wildlife Damage Control Workshop Proceedings

We examined 2,241 telephone calls that were received by 3 University of Nebraska- Cooperative Extension personnel (the 3 junior authors) concerning wildlife damage during 1988-1992. Our objectives were to (1) determine the speciedgroups responsible for most damage-related telephone calls, (2) determine the timing of wildlife damage events by speciedgroup, and (3) differentiate damage-related telephone calls by urban versus rural situations.

Public Perceptions Of Wildlife Encounters In The Omaha, Nebraska, Metropolitan Area, Dennis M. Ferraro, Scott E. Hygnstrom

Great Plains Wildlife Damage Control Workshop Proceedings

We conducted this study to determine (1) the occurrence of human-wildlife interaction in the greater Omaha, Nebraska metropolitan area, (2) variations in interactions among urban habitat types, (3) the actions that people take in response to urban wildlife encounters, and (4) information channels that the public in this area uses to gain advice concerning wildlife management. Based on this information we plan to improve assistance criteria, educational materials, and programs relative to urban audiences.

Are Farmer And The Environment Natural Enemies Like The Sheep And The Coyote?, B.L. Flinchbaugh Ph.D.

Great Plains Wildlife Damage Control Workshop Proceedings

Agricultural policy historically has been price and income policy for commercial farmers. Price supports, land retirement, stored reserves and deficiency payments have been the backbone of farm bills since Roosevelt's AAA (Agriculture Adjustment Act). Preservation of the family farm was the goal, along with an abundant supply of high quality food at reasonable prices, to convince the consumer that commercial agriculture policy was in their "best interests."