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Articles 691 - 701 of 701

Full-Text Articles in Environmental Policy

Habitat Use By Native Gambel' S And Scaled Quail And Released Masked Bobwhite Quail In Southern Arizona, John G. Goodwin Jr., C. Roger Hungerford Nov 1977

Habitat Use By Native Gambel' S And Scaled Quail And Released Masked Bobwhite Quail In Southern Arizona, John G. Goodwin Jr., C. Roger Hungerford

Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials

Populations of both Gambel's and scaled quail surveyed in southern Arizona declined by 60% from October 1975 to June 1976. Masked bobwhite population density increased during the study because of additional releases, but survival patterns are uncertain. Raptors were efficient quail predators.

Gambel's quail were associated with a dense overstory of mesquite, hackberry, wolfberry, and catclaw. Understory species varied in density and appeared less essential to good habitat. Scaled quail preferred open, grass-shrub habitat, with few of the plants over 6 feet tall. Masked bobwhite selected dense, grass-weed habitat, with pigweed a characteristic species.

Green vegetation and insects were seasonally …


Wolf-Pack Buffer Zones As Prey Reservoirs, L. David Mech Oct 1977

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 Jan 1977

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 …


Bobwhite Quail Food Habits In The Southeastern United States With A Seed Key To Important Foods, J. Larry Landers, A. Sydney Johnson Jan 1976

Bobwhite Quail Food Habits In The Southeastern United States With A Seed Key To Important Foods, J. Larry Landers, A. Sydney Johnson

Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials

A search of the literature revealed 27 studies of food habits of bobwhite quail in the southeastern United States. These include data from nearly 20 ,000 birds. In this publication all seed foods reported in these studies are listed and evaluated, and a key to important species is included. Over 650 seed foods are listed, and volume and frequency classes are given for each seed food as reported in each study. Only 78 foods comprised 1 percent or more of the food volume in one or more studies. The 45 most important foods are ranked for each physiographic province. The …


Research In National Parks, Robert J. Baker, Hugh H. Genoways Apr 1975

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 Jan 1974

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 Jan 1972

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 …


The Protection Of Primary Production : The Role Of The Agriculture Protection Board Of Western Australia, A R. Tomlinson Jan 1970

The Protection Of Primary Production : The Role Of The Agriculture Protection Board Of Western Australia, A R. Tomlinson

Journal of the Department of Agriculture, Western Australia, Series 4

THE main function of the Agriculture Protection Board of W.A. is, as its name implies, "protection", and, in this case, it is the State's primary production which is being protected from pest animals, birds and weeds.

In general, the Board's activities are centred on the prevention, destruction or management of animals and plants which are troublesome to agricultural or pastoral production, or are capable of being troublesome.


Symposium O Koroptvi / Symposium On Partridge: Výzkumný Űstav Lesniho Hospodářství A Myslivosti Československý Myslivecký Svaz, Czechoslovak Forestry And Game Management Research Institute, Czechoslovak Hunting Union Jan 1966

Symposium O Koroptvi / Symposium On Partridge: Výzkumný Űstav Lesniho Hospodářství A Myslivosti Československý Myslivecký Svaz, Czechoslovak Forestry And Game Management Research Institute, Czechoslovak Hunting Union

Galliformes Specialist Group and Affiliated Societies: Conference Proceedings

English abstract

The Symposium on Partridge was organized by the Forestry and Czechoslovak Game Management Research Institute and the Czechoslovak Hunting Union and held in Prague, Czechoslovakia in October 1965. Participants in the symposium were specialists and scientific workers from Czechoslovakia and some scientists from abroad. There were two major themes: 1. the present state of partridge research and 2. conservation issues, including the problems and prospects of partridge stocks.

Papers concerned biology of partridges, ecology, population dynamics, migration, nestng, food, influence of predators, health, helminths, gapes, hemogram, rearing of partridges, rearing of chicks, penning, wintering in pens, protection during …


Factors Affecting Nesting Success Of The Canvasback In The Aspen Parklands, Jerome H. Stoudt Dec 1965

Factors Affecting Nesting Success Of The Canvasback In The Aspen Parklands, Jerome H. Stoudt

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

The Minnedosa study area is located in the southwestern portion of Manitoba just south of the town of Minnedosa. It is 90 square miles in size and roughly square in shape. The Aspen Parkland, in which the study area is located, is characterized by gently rolling terrain and black soils. Mixed farming is the rule with emphasis on small grain production consisting of wheat, barley, and oats. Roughly 50 percent of the water areas in the parkland are ringed with aspen, Populus tremuloides, and large blocks of aspen are interspersed throughout the area. The Minnedosa area differs because of …


Bobwhite History, Muller Eugene Bogle Jan 1938

Bobwhite History, Muller Eugene Bogle

Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials

A later reprinting of the first edition with editorial amendments of Bobwhite History (1938) by Muller Eugene Bogle.