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Articles 661 - 690 of 693
Full-Text Articles in Environmental Policy
Agenda: Western Water Law In Transition, University Of Colorado Boulder. Natural Resources Law Center
Agenda: Western Water Law In Transition, University Of Colorado Boulder. Natural Resources Law Center
Western Water Law in Transition (Summer Conference, June 3-5)
Conference organizers and/or faculty included University of Colorado School of Law professors James N. Corbridge, Jr., Lawrence J. MacDonnell, Richard B. Collins, David H. Getches and Charles F. Wilkinson.
The prior appropriation doctrine has governed the allocation and use of water in the western United States since the 1850s. The shifting nature of water demand is bringing about changes in the traditional legal system. This conference will consider the fundamental principles of the prior appropriation doctrine together with the important new developments in the law now underway throughout the West.
The Prior Appropriation System In Western Water Law: The Law Viewed Through The Example Of The Rio Grande Basin, James N. Corbridge Jr., Charles F. Wilkinson
The Prior Appropriation System In Western Water Law: The Law Viewed Through The Example Of The Rio Grande Basin, James N. Corbridge Jr., Charles F. Wilkinson
Western Water Law in Transition (Summer Conference, June 3-5)
17 pages.
Contains references.
Administering Water Rights: The Permit System, Lawrence J. Wolfe
Administering Water Rights: The Permit System, Lawrence J. Wolfe
Western Water Law in Transition (Summer Conference, June 3-5)
69 pages.
Contains references.
Administering Water Rights: The Colorado System, Raymond L. Petros
Administering Water Rights: The Colorado System, Raymond L. Petros
Western Water Law in Transition (Summer Conference, June 3-5)
140 pages (includes illustrations and maps).
Contains bibliography.
Wpa News 8 (1985), World Pheasant Association
Wpa News 8 (1985), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (April 1985), number 8
Published by the World Pheasant Association
Wpa News 7 (1985), World Pheasant Association
Wpa News 7 (1985), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (January 1985), number 7
Published by the World Pheasant Association
Wpa News 6 (1984), World Pheasant Association
Wpa News 6 (1984), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (September 1984), number 6
Published by the World Pheasant Association
Wpa News 5 (1984), World Pheasant Association
Wpa News 5 (1984), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1984), number 5
Published by the World Pheasant Association
Proceedings Of Perdix Iii: Gray Partridge And Ring-Necked Pheasant Workshop, Robert T. Dumke, Richard B. Stiehl, Richard B. Kahl
Proceedings Of Perdix Iii: Gray Partridge And Ring-Necked Pheasant Workshop, Robert T. Dumke, Richard B. Stiehl, Richard B. Kahl
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Foreword
Opening remarks: How far we have come, Robert A. McCabe
Gray Partridge Ecology and Management
Grey partridge population dynamics: Comparisons between Britain and North America, G. Richard Potts
Changes in the composition of the autumn food of the partridge in western Finland over 20 years, Erkki Pulliainen
Body condition of gray partridge during fall and winter in Saskatchewan, Ross W. Melinchuk and John P. Ryder
Nesting biology of gray partridge in east-central Wisonsin, Kevin E. Church
Procedures for introducing gray partridge into unoccupied range in New York, Kevin E, Church, William F. Porter, and David E. Austin
Landowner and …
Simulation Analyses Of Space Use: Home Range Estimates, Variability, And Sample Size, Marc Bekoff, L. David Mech
Simulation Analyses Of Space Use: Home Range Estimates, Variability, And Sample Size, Marc Bekoff, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Simulations of space use by animals were run to determine the relationship among home range area estimates, variability, and sample size (number of locations). As sample size increased, home range size increased asymptotically, whereas variability decreased among mean home range area estimates generated by multiple simulations for the same sample size. Our results suggest that field workers should ascertain between 100 and 200 locations in order to estimate reliably home range area. In some cases, this suggested guideline is higher than values found in the few published studies in which the relationship between home range area and number of locations …
Wpa News 4 (1984), World Pheasant Association
Wpa News 4 (1984), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (January 1984), number 4
Published by the World Pheasant Association
Wpa News 3 (1983), World Pheasant Association
Wpa News 3 (1983), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (August 1983), number 3
Published by the World Pheasant Association
Wpa News 2 (1983), World Pheasant Association
Wpa News 2 (1983), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1983), number 2
Published by the World Pheasant Association
Wpa News 1 (1983), World Pheasant Association
Wpa News 1 (1983), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (January 1983), number 1
Published by the World Pheasant Association
Proceedings, Second National Bobwhite Quail Symposium (September 13-15, 1982, Oklahoma State University, Stillwater, Oklahoma), Frank Schitoskey Jr., Elizabeth C. Schitoskey, Larry G. Talent
Proceedings, Second National Bobwhite Quail Symposium (September 13-15, 1982, Oklahoma State University, Stillwater, Oklahoma), Frank Schitoskey Jr., Elizabeth C. Schitoskey, Larry G. Talent
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Bobwhite quail and changing land use, W. D. Klimstra
Land use and bobwhite populations in an agricultural system in west Tennessee, J. R. Exum, R. W. Dimmick, and B. L. Dearden
Estimating bobwhite population size by direct counts and the Lincoln index, R. W. Dimmick, F. E. Kellogg, and G. L. Doster
Evaluation of bobwhite quail surveys in Kansas, R. Wells and K. Sexson
Efficiency of dogs in locating bobwhites, F. E. Kellogg, G. L. Doster, W. R. Davidson, and W. M. Martin
A 10-year study of bobwhite quail movement patterns, G. F. Smith, F. E. Kellogg, G. L. Doster, …
An Analysis Of Howling Response Parameters Useful For Wolf Pack Censusing, Fred H. Harrington, L. David Mech
An Analysis Of Howling Response Parameters Useful For Wolf Pack Censusing, Fred H. Harrington, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Gray wolves (Canis lupus) were studied from April 1972 through April 1974 in National Forest in northeastern Minnesota by radio-tracking and simulated howling. Based during 217 of 456 howling sessions, the following recommendations were derived for using howling as a census technique: (1) the best times of day are dusk and night; (2) July, August, and are the best months; (3) precipitation and winds greater than 12 km/hour should be avoided; (of 5 single howls should be used, alternating "flat" and "breaking" howls; (5) trials should 3 times at about 2-minute intervals with the first trial at lower …
Pheasants In Asia 1982: Proceedings Of The Second International Pheasant Symposium (September 1982 : Srinagar, Kashmir), Keith C. R. Howman, Christopher D. W. Savage, M. W. Ridley
Pheasants In Asia 1982: Proceedings Of The Second International Pheasant Symposium (September 1982 : Srinagar, Kashmir), Keith C. R. Howman, Christopher D. W. Savage, M. W. Ridley
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Chapter 1: Pheasant Conservation in India and Nepal
Conservation of pheasants in India through biosphere reserves, N. D. Jayal
Pheasant conservation in Nepal, BISWA N. UPRETI
The Machhapuchare Wildlife Conservation Project in Nepal, James Roberts
Planning for the management of a Himalayan pheasant reserve, J. A. Forster
The role of mapping in future management and conservation of pheasants, Christopher D. W. Savage
Chapter 2: Population Studies of Himalayan Pheasants
Surveys, census, monitoring and research: Their role in pheasant conservation, A. J . GASTON
Popluation dynamics of the Koklas pheasant (Pucrasia macolopha) in Malkandi Forests, Pakistan, Wazir Mohammad Khan …
Dynamics, Movements, And Feeding Ecology Of A Newly Protected Wolf Population In Northwestern Minnesota, Steven H. Fritts, L. David Mech
Dynamics, Movements, And Feeding Ecology Of A Newly Protected Wolf Population In Northwestern Minnesota, Steven H. Fritts, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The gray wolf Canis lupus occupies only about 1 percent of its former range in the lower 48 states (Mech 1974a). Most of the range is in northern Minnesota, where the resident population is classified as "threatened" by the U.S. Department of the Interior. Wolves have been and will continue to be the subject of considerable controversy in Minnesota.
The first scientific study of wolves in Minnesota was conducted by Olson (1938a,b). That and all subsequent re- search was in the Superior National Forest (SNF) of northeastern Minnesota even though wolves inhabit approximately the northern third of the state. Consequently, …
Deer Social Organization And Wolf Predation In Northeastern Minnesota, Michael E. Nelson, L. David Mech
Deer Social Organization And Wolf Predation In Northeastern Minnesota, Michael E. Nelson, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The white-tailed deer Odocoileus virginianus has been subject to intensive research and management, yet we are just beginning to understand its social organization. Little is known about home range formation, migration, social bonds, and traditions in this deer, what functions they serve, and what selective forces have affected them.
Predation by wolves Canis lupus, in particular, has not been examined as a factor in deer evolution, yet the intimate interactions between deer and wolf through the millennia no doubt strongly influenced major morphological and behavioral adaptations in both species. It is a reasonable assumption that wolf predation has been …
Proceedings Of Perdix Ii: Gray Partridge Workshop, Forest, Wildlife And Range Experiment Station, University Of Idaho, The Wildlife Society, Idaho Cahpter, Wildlife Management Institute
Proceedings Of Perdix Ii: Gray Partridge Workshop, Forest, Wildlife And Range Experiment Station, University Of Idaho, The Wildlife Society, Idaho Cahpter, Wildlife Management Institute
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Proceedings of Perdix II: Gray Partridge Workshop (March 18-20, 1980, Moscow, Idaho, United States)
The proceedings for this symposium have been divided into three parts: professional papers, a continent-wide management/research plan, and a bibliography. All of the papers were refereed by two or three people working in the field.
Papers Presented
The Distribution and Density of Gray Partridge in Northern New York, David E. Austin
Habitat Utilization by Gray Partridge (Perdix perdix L.) Prenesting Pairs in East-Central Wisconsin, Kevin E. Church, Hallett J. Harris, and Richard B. Stiehl
An Evaluation of Gray Partridge (Perdix perdix) Aging Criteria, …
Pheasants In Asia 1979: Proceedings Of The First International Symposium On Pheasants In Asia (November 21-23, 1979 : Kathmandu, Nepal), Keith Howman, Christopher Savage
Pheasants In Asia 1979: Proceedings Of The First International Symposium On Pheasants In Asia (November 21-23, 1979 : Kathmandu, Nepal), Keith Howman, Christopher Savage
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Message from His Majesty King Birendra Bir Bikram Shah Dev
Inaugural Address by the Rt. Hon. Prime Minister
Welcome Address by the Chief Conservator of Forests
Reply by Keith Howman, Chairman of the Conference
Keynote Papers
Forestry, National Parks and Conservation in Nepal, B. N. Upreti
Pheasant Conservation: A Minimum Programme? Christopher D.W. Savage
Reports on the Status of Pheasants
Nepal (1) Introductory Paper, Karna Sarkya
Nepal (2) Status of the Pheasants of Nepal, J. O. M. Roberts
Status of the Pheasants in Pakistan, Z. B. Mirza
Status of the Pheasants, Malaysia and Indonesia, G. W. H. Davison
The Himalayas: …
Population Regulation In Wolves, Jane M. Packard, L. David Mech
Population Regulation In Wolves, Jane M. Packard, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The possibility of social regulation of wolf populations has been discussed in the literature for several years. Some of the first ecological studies of wolves indicated that their populations did not increase as rapidly as was theoretically possible, and that they reached a saturation point apparently not set by food. Subsequent captive studies demonstrated the existence of social mechanisms possibly capable of regulating population growth. However, the importance of these factors in wild populations has not been established. This paper has four objectives: (1) to evaluate the existing concept of "intrinsic limitation," (2) to propose that wolf population dynamics may …
Wolf Howling And Its Role In Territory Maintenance, Fred H. Harrington, L. David Mech
Wolf Howling And Its Role In Territory Maintenance, Fred H. Harrington, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The wolf (Canis lupus) is a wide-ranging social carnivore with a complex spatial organization (MECH, 1972; 1973). The precise manner in which this organization is maintained is unknown, but territory advertisement using olfactory and acoustic modes seems to be involved.
The acoustic mode includes primarily howling. Within a wolf pack, howling may be useful to reassemble separated members (MECH, 1966; THEBERGE & FALLS, 1967), and may communicate information on individual identity, location, and other behavioral and environmental contingencies (THEBERGE & FALLS, 1967). Between packs, however, howling may serve to advertise territory, communicating the locations of packs and thus …
Relating Wolf Scat Content To Prey Consumed, Theodore J. Floyd, L. David Mech, Peter A. Jordan
Relating Wolf Scat Content To Prey Consumed, Theodore J. Floyd, L. David Mech, Peter A. Jordan
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
In 9 trials, captive wolves (Canis lupus) were fed prey varying in size from snowshoe (Lepus americanus) to adult deer (Odocoileus virginianus), and the resulting scats were counted. collectible scats were distinguished from liquid, noncollectible stools. In collectible scats, the small prey occurred in greater proportion relative to the prey's weight, and in lesser proportion to the prey's numbers, than did the remains of larger prey. A regression equation with an excellent the data (r2 = 0.97) was derived to estimate the weight of prey eaten per collectible scat for With this information …
Productivity, Mortality, And Population Trends Of Wolves In Northeastern Minnesota, L. David Mech
Productivity, Mortality, And Population Trends Of Wolves In Northeastern Minnesota, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Population parameters, mortality causes, and mechanisms of a population decline were studied in wolves (Canis lupus lycaon) from 1968 to 1976 in the Superior National Forest. The main method was aerial radio-tracking of 129 wolves and their packmates. Due to a decline in white-tailed deer (Odocoileus virginianus), the wolf population decreased during most of the study. Average annual productivity varied from 1.5 to 3.3 pups per litter, and annual mortality rates from 7 to 65 percent. Malnutrition and intraspecific strife accounted equally for 58 percent of the mortality; human causes accounted for the remainder. As wolf …
Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech
Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Abstract. In a declining herd, surviving deer inhabited overlapping edges of wolf- pack territories. There, wolves hunted little until desperate, in order to avoid fatal encounters with neighbors. Such encounters reduce wolf numbers and predation pressure and apparently allow surviving deer along territory edges to repopulate the area through dispersal of their prime, less vulnerable offspring into territory cores.
Proceedings Of Perdix I: Hungarian Partridge Workshop, The Wildlife Society, Central Mountains And Plains Section, The Wildlife Society, North Dakota Chapter, North Dakota Game And Fish Department
Proceedings Of Perdix I: Hungarian Partridge Workshop, The Wildlife Society, Central Mountains And Plains Section, The Wildlife Society, North Dakota Chapter, North Dakota Game And Fish Department
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Perdix I has succeeded in its major objective of bringing Hungarian partridge research and management people together in one place for introduction to one another and for a mutually beneficial exchange of information. A major communications bridge has been gapped by the informalization that occurs with the development of face-to-face relationships, a realization of how similar everyone's technical problems are, and an expression of concern regarding the need to develop work plans and guidelines to help direct future research and management by avoiding unnecessary duplication that often occurs with poor communications. As regards communications, it is refreshing to know that …
Research In National Parks, Robert J. Baker, Hugh H. Genoways
Research In National Parks, Robert J. Baker, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
This was our first involvement with research in the National Parks and we would like to make some observations concerning interactions among basic researchers, park personnel, and the philosophy on which our park systems are based. Our conclusions are not based only on our own experiences, but also on conversations with other basic researchers (especially those who contributed to this symposium) and with park personnel who have aided and worked with other researchers who were not employed by the National Park Service.
Canis Lupus., L. David Mech
Canis Lupus., L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Order Carnivora, Family Canidae. The genus Canis includes eight species. Approxi- mately 24 New World and eight Old World subspecies of C. lupus are recognized, the number depending on authorities accepted. For summary, see Mech (1970); for full synonymy, see Pocock (1935), Goldman (1944), Ellerman and Morrison- Scott (1951), Novikov (1956), and Hall and Kelson (1959).
Proceedings Of The First National Bobwhite Quail Symposium (April 23-26, 1972 : Oklahoma State University, Stillwater, Oklahoma), John A. Morrison, James C. Lewis
Proceedings Of The First National Bobwhite Quail Symposium (April 23-26, 1972 : Oklahoma State University, Stillwater, Oklahoma), John A. Morrison, James C. Lewis
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Panel Session I: Trends in Principal Management Themes
Bobwhite Quail on Shooting Preserves, Edward L. Kozicky
The Traditional Southern Bobwhite Quail Plantations, Leon Neel
Bobwhite Quail Management on State Controlled Wildlife Areas, Ralph J. Ellis
Trends In Management of the Bobwhite Quail on Commercially Owned Forest Land and National Forests of the Southern Region, Dale H. Arner
Panel Session II: Heretical Ideas about Bobwhite Ecology and Management
The One Quail Per Acre Myth, Forest E. Kellogg, Gary L. Doster, Edwin V. Komarek, Sr., and Ray Komarek
Second Broods in Bobwhite Quail, Jack A. Stanford
Changes of Covey Affiliation by Bobwhite …