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Articles 51631 - 51660 of 52386
Full-Text Articles in Entire DC Network
Bird Problems At Military Airports, B. W. Brink
Bird Problems At Military Airports, B. W. Brink
Bird Control Seminars Proceedings
I notice by the program that this was to be a progress report, new aspects of control. I'd like to narrow the scope a little bit, at least for my remarks; they will be essentially confined to activities of MAC, Military Airlift Command. There are 10 major commands in the Air Force. I'd like to reduce the word progress to lower case letters, at least; and I'd like to deemphasize the word new, for most of these things are not brand new for us. The scope of this problem is world wide, air force wide; and I'm going to confine …
Status Of Avitrol, Kenneth W. Seed
Status Of Avitrol, Kenneth W. Seed
Bird Control Seminars Proceedings
I have been asked to inform you of the status of the Avitrol Bird Management Process developed by Phillips Petroleum Company. The Avitrol method of bird control is available to all pest control operators throughout the United States through a licensing arrangement with Phillips. At the start of our marketing program, exclusive licenses were offered to pest control operators on a territorial basis, with each licensee being permitted to grant sublicenses in his territory. This program did not prove satisfactory, because not enough pest control operators were sublicensed to make the process available when and where needed. Beginning in the …
Fourth Bird Control Seminar Proceedings: Frontmatter & Table Of Contents
Fourth Bird Control Seminar Proceedings: Frontmatter & Table Of Contents
Bird Control Seminars Proceedings
Seminar held September 16-18, 1968
Birds, Encephalitis, And Ectoparasites, Margaret A. Parsons
Birds, Encephalitis, And Ectoparasites, Margaret A. Parsons
Bird Control Seminars Proceedings
Encephalitis or "inflammation of the brain" is a general term applied to a disorder which may have many causes. Usually this disorder is caused by a virus but it may also be produced by other types of micro-organisms. Encephalitis may also occur after an initial infection with mumps, measles and other childhood diseases, or following a vaccination, or as a result of a non-infectious process such as poisoning. Since encephalitis affects the brain, which in turn controls all body functions, encephalitis from any cause can show symptoms of general illness throughout the body such as headache, nausea and vomiting, fever, …
Status Of Bio-Sonics In Pest Bird Control, Gordon W. Boudreau
Status Of Bio-Sonics In Pest Bird Control, Gordon W. Boudreau
Bird Control Seminars Proceedings
Bioacoustics is defined as the study of biologically significant sounds ori-ginated by animals, and the mechanisms which produce and receive these sounds. Many of these sounds are audible to the human ear but some are above the human hearing range and fall into the ultrasonics class. There are sounds used by animals which are near or below the normal human hearing range in pitch, as in certain fish. Bioacoustics comprises a broad field of investigation and is an area which has only recently been explored. Improvements in electronic audio equipment have provided the impetus which launched recent bioacoustical investigations and …
Daily And Seasonal Susceptibility Cycles Of The Starling, Robert G. Schwab
Daily And Seasonal Susceptibility Cycles Of The Starling, Robert G. Schwab
Bird Control Seminars Proceedings
I would like to review a few of the characteristics of 3-chloro-p-toluidine hydrochloride (DRC-1339) prior to discussion on the daily and seasonal suscep-tibility of starlings to this avicide. DRC-1339 was screened and developed by the Denver Research Center (U.S.D.I.) and since has been tested in various portions of the country by the Denver Center and other organizations, including the State of California. In California we are much impressed with this compound for a variety of reasons, particularly the specificity of it to birds, ease in handling, ease in formulation, and many other characteristics which make this a highly desirable avicide. …
Chemical Bird Control: Idealism And Reality, James B. Elder
Chemical Bird Control: Idealism And Reality, James B. Elder
Bird Control Seminars Proceedings
Budding wildlife biologists, whether they wind up in research, management or administration, start out with one attribute in common. They are idealists. It is idealism to be sure, that quickly becomes tempered, if not blunted, by the realities of working for worthwhile, even essential conservation goals in an in-different and frequently hostile environment. For some, the conflict of ideals vs reality is too much and they move on to other, probably more lucrative occupations. Still others, blessedly few in number, lose their ideals completely, become apathetic toward wildlife goals and devolve into that most pitiable of human specimens, the bureaucratic …
The Role Of Fda In Environmental Contamination And Surveillance , Clifford Shane
The Role Of Fda In Environmental Contamination And Surveillance , Clifford Shane
Bird Control Seminars Proceedings
The Food & Drug Administration is concerned about birds in two areas. One is the direct contamination of foods, drugs and cosmetics by birds and the other is the possible contamination of these products by the chemicals used to control birds. Since its conception, the Food & Drug Administration has been concerned about the contamination of foodstuffs by birds. Like all animals, they have both their good and bad points. The one bad point is that they are carriers of certain diseases. In addition, the consumer of today is not ready to accept products which have been contaminated by fecal …
Sodium Fluoride In Feedlot Starling Control, James Steckel
Sodium Fluoride In Feedlot Starling Control, James Steckel
Bird Control Seminars Proceedings
I'm going to talk about the toxicant, sodium fluoride. This, of course, is not new to anybody who's been in the pest control business. It's very common and is a material that is readily available to industry wherever you might be— sodium fluoride, NaF. Sodium fluoride was a material used in veterinary practice in its early days as a worming agent. When the first problems developed with the swine feeders, particularly with TGE (transmissible gastroenteritis), they were needing a toxicant that they could use to control the birds that were stealing feed out of the food bunkers and leaving their …
Orchard Bird Control With Decoy Traps, Bill Shake
Orchard Bird Control With Decoy Traps, Bill Shake
Bird Control Seminars Proceedings
crops. With one method, we tried to see if we could reduce redwinged blackbird damage to corn. We put up the larger traps-25 x 50 or 50 x 100 feet-near corn fields that were being heavily hit or next to marshes where birds are roosting. Although we captured thousands of birds and destroyed them, we were working with such large numbers of birds that we found it was actually like pouring sand effect at all in reducing damage to corn. Also it's not an efficient method in this type of a situation; it takes a lot of time to tend …
Orchard Bird Control, L. A. Mitterling
Orchard Bird Control, L. A. Mitterling
Bird Control Seminars Proceedings
Seven primary factors. The difficulties associated with the control of birds in an orchard are usually related or confounded by four primary, unknown factors and three which are usually quite well known. The four unknowns are: 1. The species causing the damage. 2. The total bird population in the area. 3. The alternate food sources available for the birds. 4. The relative economic importance of the crop to the community in which it is produced. The three known factors which are usually evident: 1. The crop being damaged. 2. The economic importance of the crop to the grower. 3. The …
Pest Birds And Modern Architecture, Michael W. Fall, David E. Schneider
Pest Birds And Modern Architecture, Michael W. Fall, David E. Schneider
Bird Control Seminars Proceedings
We are offering some remarks on what the entomologist would call the areas of cultural control. Our interest in this approach developed out of a series of information discussions we've had concerning regional planning pro-grams at Penn State. Our ideas on the applications of this to bird management are not well developed; we'd be happy to hear your suggestions and comments. The ideas of cultural control are not new and are only one of many approaches. But perhaps we are reaching a stage of public concern about bird problems and about environmental contamination which make the climate for long range …
Entanglents And Sticky Repellents, Ken Hayden
Entanglents And Sticky Repellents, Ken Hayden
Bird Control Seminars Proceedings
I would like to bring to your attention a survey conducted by N.P.C.A. a couple of years ago that found that 45% of our Industry was willing to engage in the bird management field. The first thought that came to my mind was: what about the other 55% of our industry that was not willing to do bird management work? Why was this? Perhaps their interests are elsewhere in the Pest Control field; maybe they do not like heights or perhaps the tools of the bird management field are developed by each individual company and, therefore, not available through the …
Bird Movements In Relation To Control, Joseph L. Guarino
Bird Movements In Relation To Control, Joseph L. Guarino
Bird Control Seminars Proceedings
Ecological studies are being carried out by Denver Wildlife Research Center personnel on starlings (Sturnus vulgaris) and blackbirds as part of a research program to alleviate damage by these species. The objectives are to determine the breeding and wintering areas, migratory routes, local movement patterns, and turnover rates of problem populations. Knowledge about the movement of problem birds is essential for determining those points in their daily and seasonal movement cycles where they are likely to be more vulnerable to control. Banding and marking programs are presently the primary means of gathering movement data. Since 1960, Denver personnel and cooperators …
Registered Participants: Fourth Bird Control Seminar, 1968
Registered Participants: Fourth Bird Control Seminar, 1968
Bird Control Seminars Proceedings
Names & addresses of 82 participants.
Keep your city clean: Eat a Pigeon
Presession Seminar On Blackbird Problems, Tom Stockdale
Presession Seminar On Blackbird Problems, Tom Stockdale
Bird Control Seminars Proceedings
I'd like to open with a very brief discussion, then call on some selected people with whom I've corresponded earlier, and ask if they will discuss a particular aspect of this total bird problem. I've asked that they keep their comments from three to five minutes. Trying to break the total problem down into its several facets we came up with six arbitrary subtopics. For want of better terms I've called these: population census techniques, chemical repellants, sonic repellants, wetting agents, lethal control techni-ques, and damage evaluation. Your particular problem in your area may be slightly different than in other …
The Prairie Naturalist Volume 1, No. 3. September, 1969
The Prairie Naturalist Volume 1, No. 3. September, 1969
The Prairie Naturalist
EDITORIAL: A VOICE FOR CONSERVATION ▪ Paul B. Kannowski
CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA—1968 ▪ Robert N. Randall
SOME ENVIRONMENTAL MANAGEMENT PROBLEMS AND PROPOSED SOLUTIONS ▪ Laurence R. Jahn
SOME PLANTS OF WESTERN MINNESOTA ▪ O. A. Stevens
MORTALITY OF MIGRATORY BIRDS AT GRAND FORKS, NORTH DAKOTA FOLLOWING A MOSQUITO CONTROL OPERATION IN MAY, 1969 ▪ Robert W. Seabloom, Lewis W. Oring and James R. Reilly
NESTING OF THE UPLAND PLOVER ON THE MISSOURI COTEAU ▪ K. F. Higgins, H. F. Duebbert and R. B. Oetting
NOTE
Albino sparrows discovered at Hazen, North Dakota ▪ Larry L. Kruckenberg and …
Technical Assistance And Supervision Of Commercial Fisheries Statistics And Marketing In Puerto Rico: Annual Report To The Department Of Agriculture Commonwealth Of Puerto Rico., Charles W. Caillouet, Ramon J. Garcia, James B. Higman
Technical Assistance And Supervision Of Commercial Fisheries Statistics And Marketing In Puerto Rico: Annual Report To The Department Of Agriculture Commonwealth Of Puerto Rico., Charles W. Caillouet, Ramon J. Garcia, James B. Higman
RSMAS Technical Reports
No abstract provided.
Economic Analysis Of Alternative Flood Control Measures, L. Douglas James, Thomas M. Rachford, James Ray Villines, Clyde R. Dempsey, James Norris Cline, Carlos Fix Miller
Economic Analysis Of Alternative Flood Control Measures, L. Douglas James, Thomas M. Rachford, James Ray Villines, Clyde R. Dempsey, James Norris Cline, Carlos Fix Miller
KWRRI Research Reports
Within the last few years, the growing realization that an effective flood control program must include non-structural measures (land use management and flood proofing) has resulted in Presidential Executive Order 11296 requiring Federal agencies to seek the optimum combination of structural and non-structural measures for flood control. The requirement has created a dilemma. No methodology is available for systematic evaluation of alternative combinations of structural and non-structural measures. Prospective procedures are too time consuming to be feasible under current financial and manpower limitations.
The only way out is to perform much of the planning process by digital computer. With this …
Usu Remote Total Precipitation Telemetry Station, Duane G. Chadwick
Usu Remote Total Precipitation Telemetry Station, Duane G. Chadwick
Reports
A total precipitation catchment and telemetering device is described for use in mountainous regions. The precipitation transucer uses a weighing-type mechanism which has a variable inductor sensor.
The catchment system floats on springs and has negligible static friction. The radio transponder is powered by dry batteries. It responds upon coded interrogation, sending hydrologic or meteorological data through a mountaintop translator to a base station
Meeting Southern Nevada's Future Water Requirements, George B. Maxey
Meeting Southern Nevada's Future Water Requirements, George B. Maxey
Publications (WR)
This is a summary of an address given by Dr. George B. Maxey, Director, Center for Water Resources Research, University of Nevada, to a group of Southern Nevada business and community leaders at the Sahara Hotel, Las Vegas on May 16, 1968.
The Prairie Naturalist Volume 1, No. 2. May, 1969
The Prairie Naturalist Volume 1, No. 2. May, 1969
The Prairie Naturalist
EDITORIAL: North Dakota's Naturalist-at-Large ▪ Paul B. Kannowski
WETLAND VEGETATION OF THE TURTLE MOUNTAINS, NORTH DAKOTA ▪ Robert L. Burgess and Dennis T. Disrud
RAPID METHOD OF FILTRATION OF MARSH WATERS ▪ V. A. Adomaitis and J. A. Shoesmith
NOTES
Additional distribution records of the false map turtle and the short-horned lizard in North Dakota ▪ Dennis J. Gemmell
Summer record of the snowy owl in North Dakota ▪ Donald R. Johnson
Long-billed curlews in LaMoure County, North Dakota ▪ Gary L. Krapu
Studies In The Ecology And Management Of Prairie Grouse, Leonard Sisson
Studies In The Ecology And Management Of Prairie Grouse, Leonard Sisson
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The purpose of this paper is (1) to present the scope of research being conducted by the Nebraska Game and Parks Commission on prairie grouse, the sharp-tailed grouse and greater prairie chicken, and (2) to discuss preliminary findings of one aspect of this research - characteristics of nesting and brooding habitat of sharp-tailed grouse.
The Prairie Naturalist Volume 1. No.1. March 1968
The Prairie Naturalist Volume 1. No.1. March 1968
The Prairie Naturalist
EDITORIAL: Another Milestone ▪ John T. Lokemoen
NESTING OF THE COMMON SNIPE IN NORTH DAKOTA ▪ Robert E. Stewart and Harold A. Kantrud
SCIENCE WRITING — A PROBLEM ▪ Soren O. Kolstoe
INSECTICIDES: A DOUBLE-EDGED SWORD ▪ Richard D. Urban
NOTES
Why I like the Badlands ▪ Wayne Hecker
White-faced ibis in McIntosh County, North Dakota ▪ Harold F. Duebbert
Cinnamon teal observations in North Dakota ▪ A. T. Klett and John T. Lokemoen
Trumpeter swan in Kidder County, North Dakota ▪ Lewis M. Cowardin and James C. Bartonek
Specimen records of greater scaup ▪ Charles W. Dane and Harold …
Agroclimatic Calendar For Nebraska, R. E. Neild
Agroclimatic Calendar For Nebraska, R. E. Neild
School of Natural Resources: Faculty Publications
Crops are planted so growth, development and harvest correspond closely to the season most favorable for yield and quality. With exception of fall-seeded small grains and some forages, most Nebraska crops are planted in the spring when temperature and precipitation are increasing.
Ua37/44 Diary To Kelly, Gordon Wilson
Ua37/44 Diary To Kelly, Gordon Wilson
Faculty/Staff Personal Papers
Excerpt from Gordon Wilson's Diary to Kelly regarding severe weather in 1918 and Mammoth Cave.
The Systematics Of Sympatric Species In West Indian Spatangoids: A Revision Of The Genera Brissopsis, Plethotaenia, Paleopneustes, And Saviniaster, Richard H. Chesher
The Systematics Of Sympatric Species In West Indian Spatangoids: A Revision Of The Genera Brissopsis, Plethotaenia, Paleopneustes, And Saviniaster, Richard H. Chesher
Studies in Tropical Oceanography
No abstract provided.
Problems Of Pollution: Benefits, Risks And Regulations, Richard E. Pogue, Dean E. Abrahamson
Problems Of Pollution: Benefits, Risks And Regulations, Richard E. Pogue, Dean E. Abrahamson
Journal of the Minnesota Academy of Science
The growing concern of the scientific community and informed segments of the public about the proliferation of untested nuclear power plants demands further evaluation of their environmental impact before irrevocable decisions are mode. This paper considers the problem of low-level radioactive wastes controllable at the source. A brief background is given of the governmental agencies concerned with radiation monitoring and protection. The underlying philosophy behind radiation protection and the guidelines for putting this philosophy into practice are considered. The risk implicit in these guidelines is assessed in terms of the expected increased incidence of specific injuries to human populations.
Biological Aspects Of Heat Pollution, Theodore Olson
Biological Aspects Of Heat Pollution, Theodore Olson
Journal of the Minnesota Academy of Science
The importance of temperature as an environmental factor has long been recognized by the ecologist, and its special impact upon the aquatic ecosystem has been of interest to aquatic biologists since they first began to observe interactions between living things and the physical environment. Interest in water temperatures as an environmental factor has recently become more widespread; and one aspect of the phenomenon, namely "thermal pollution," has attracted special attention.
Discharge Of Radioactive And Thermal Wastes, Richard E. Pogue, Dean E. Abrahamson
Discharge Of Radioactive And Thermal Wastes, Richard E. Pogue, Dean E. Abrahamson
Journal of the Minnesota Academy of Science
A combination of several economic factors, together with growing concern about air pollution associated with conventional, fossil-fuel electric generating facilities, hos contributed to the increase in size and number of nuclear-powered plants. Although these nuclear plants are "clean" from the standpoint of conventional air pollutants, they must dispose of thermal and radioactive wastes. This paper outlines the sources and quantities of these wastes, based on technical data for the boiling-water reactor proposed for Monticello, Minnesota.