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Articles 2161 - 2190 of 2805
Full-Text Articles in Animal Sciences
Curassows, Guans And Chachalacas: Status Survey And Conservation Action Plan For Cracids 2000–2004 (With Spanish And Portuguese Translations), Daniel M. Brooks, Stuart D. Strahl
Curassows, Guans And Chachalacas: Status Survey And Conservation Action Plan For Cracids 2000–2004 (With Spanish And Portuguese Translations), Daniel M. Brooks, Stuart D. Strahl
Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials
Cracids (curassows, guans and chachalacas) are the most threatened family of Neotropical birds, occurring in south Texas, Trinidad and Tobago, and all Latin American mainland countries except Chile. They are a primitive, ancestral family of gamebirds (Galliformes) that play an important role in the regeneration of tropical forests through seed dispersal and predation, yet half of all species are threatened by habitat destruction and hunting. The three most critically endangered species are the horned guan, Alagoas curassow, and Trinidad piping-guan, while the four most critically endangered subspecies are three subspecies of the helmeted curassow and the northeastern bare-faced curassow.
Cracids …
Assessing Factors That May Predispose Minnesota Farms To Wolf Depredations On Cattle, L. David Mech, Elizabeth K. Harper, Thomas J. Meier, William J. Paul
Assessing Factors That May Predispose Minnesota Farms To Wolf Depredations On Cattle, L. David Mech, Elizabeth K. Harper, Thomas J. Meier, William J. Paul
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Wolf (Canis lupus) depredations on livestock cause considerable conflict and expense in Minnesota. Furthermore, claims are made that such depredations are fostered by the type of animal husbandry practiced. Thus, we tried to detect factors that might predispose farms in Minnesota to wolf depredations. We compared results of interviews with 41 cattle farmers experiencing chronic cattle losses to wolves (chronic farms) with results from 41 nearby "matched" farms with no wolf losses to determine farm characteristics or husbandry practices that differed and that therefore might have affected wolf depredations. We also used a Geographic Information System (GIS) to …
Atlas Of Essential Wildlife Habitats For Maine's Endangered And Threatened Species, Maine Department Of Inland Fisheries And Wildlife
Atlas Of Essential Wildlife Habitats For Maine's Endangered And Threatened Species, Maine Department Of Inland Fisheries And Wildlife
Maine Collection
Atlas of Essential Wildlife Habitats for Maine's Endangered and Threatened Species
Maine Department of Inland Fisheries and Wildlife, 284 State Street, Augusta, Maine, 04333. 2000 Edition ("Valid through December 31, 2000").
"Printed under appropriations 014/013-09A-2004/3204-012".
Megapodes Status Survey And Conservation Action Plan, 2000-2004, René W. R. J. Dekker, Richard A. Fuller, Gilliam C. Baker, World Pheasant Association, Birdlife International, Iucn-Ssc Megapode Specialist Group
Megapodes Status Survey And Conservation Action Plan, 2000-2004, René W. R. J. Dekker, Richard A. Fuller, Gilliam C. Baker, World Pheasant Association, Birdlife International, Iucn-Ssc Megapode Specialist Group
Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials
Executive Summary
This Action Plan covers the megapodes, a group of Australasian ground-dwelling birds comprising 22 species found from the Nicobar Islands in the west, through Indonesia, the Philippines, and Australia, to Polynesia in the east. Their habit of nesting on or near beaches, often on small islands, makes them vulnerable to disturbance and egg collecting, and several species are greatly threatened. In 1995, the first Action Plan for the conservation of these species was published and this document provides an update on the current situation. The objectives of this document are to identify the most threatened species within this …
Terrestrial Natural Communities Of Nebraska - Version Ii, Gerry Steinauer, Steven B. Rolfsmeier
Terrestrial Natural Communities Of Nebraska - Version Ii, Gerry Steinauer, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
For more than a decade, The Nature Conservancy (TNC) and state natural heritage programs, including the Nebraska Natural Heritage Program (NNHP), have used a “coarse filter/fine filter” approach to preserving biological diversity (The Nature Conservancy, 1994). This approach involves identification and protection of natural communities (coarse filter) as well as rare species (fine filter). Identifying and protecting representative examples of natural communities ensures conservation of most species, biotic interactions and ecological processes. Those species that “fall through” the community filters are generally the rare species. Identification and protection of viable occurrences of rare species serves as the fine filter for …
Conservation In A Highly Fragmented Landscape: The Central Tallgrass Prairie Ecoregional Conservation Plan, The Central Tallgrass Prairie Ecoregion Planning Team
Conservation In A Highly Fragmented Landscape: The Central Tallgrass Prairie Ecoregional Conservation Plan, The Central Tallgrass Prairie Ecoregion Planning Team
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
With the adoption of Conservation by Design in 1995, The Nature Conservancy recognized the importance of working at larger scales to achieve our mission which is: the long-term survival of all viable native species and community types through the design and conservation of portfolios of sites within ecoregions. The Conservancy set forth to design conservation plans on an ecoregional basis by working closely with various conservation partners. These plans are intended to provide a framework within which the Conservancy and our partners, such as the Natural Heritage Programs, can make decisions regarding conservation actions to be taken at the …
Prolonged Winter Undernutrition And The Interpretation Of Urinary Allantoin:Creatinine Ratios In White-Tailed Deer, Glenn D. Delgiudice, Ken D. Kerr, L. David Mech, Ulysses S. Seal
Prolonged Winter Undernutrition And The Interpretation Of Urinary Allantoin:Creatinine Ratios In White-Tailed Deer, Glenn D. Delgiudice, Ken D. Kerr, L. David Mech, Ulysses S. Seal
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The urinary allantoin:creatinine (A:C) ratio (expressed in micromoles of allantoin to micromoles of creatinine) has shown potential as an index of recent winter energy intake in preliminary controlled studies of elk (Cervus elaphus) involving mild condition deterioration (up to 11% loss of body mass). To ensure reliable nutritional assessments of free-ranging cervids by measuring A:C ratios of urine in snow, it is essential to extend this work. We assessed the effect of moderate and severe winter nutritional restriction on urinary A:C ratios of captive white-tailed deer (Odocoileus virginianus) that lost up to 32% body mass and …
Elaeophorosis In Red Deer From Spain, Mónica Santín-Durán, J. M. Alunda, J. M. San Miguel, Eric P. Hoberg, C. De La Fuente
Elaeophorosis In Red Deer From Spain, Mónica Santín-Durán, J. M. Alunda, J. M. San Miguel, Eric P. Hoberg, C. De La Fuente
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Elaeophorosis, caused by Elaeophora elaphi, was observed in red deer (Cervus elaphus) from Toledo Province (Spain) for the first time. Adult specimens of Elaeophora elaphi were found in the hepatic vessels of nine of 151 red deer between October 1994 and September 1995; intensity of infection was two to 18 nematodes per host. Adult nematodes were only found during the period from fall through early spring. No differences were present between sex or age groups. Parasites were not found in a limited sample from fallow deer (Dama dama). Blood samples were negative for the presence of …
Pheasants Status Survey And Conservation Actin Plan, 2000-2004, Richard A. Fuller, Peter J. Garson, World Pheasant Association, Birdlife International, Iucn-Ssc Pheasant Specialist Group
Pheasants Status Survey And Conservation Actin Plan, 2000-2004, Richard A. Fuller, Peter J. Garson, World Pheasant Association, Birdlife International, Iucn-Ssc Pheasant Specialist Group
Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials
Executive Summary
This Action Plan covers the pheasants, a group of one African species and 50 Asian ground-dwelling birds, found within Asia from the Caucasus in the west, through the Indian Subcontinent and the Himalayas to eastern China and Japan. They also occur through Southeast Asia to Flores, east of Java. They are largely dependent on forested habitats, making them highly vulnerable to deforestation and habitat degradation. As large, ground-dwelling birds they are also widely hunted for food, plumage, and the live bird trade. Consequently, many species are threatened. The first version of this Action Plan was published to cover …
Galliformes 2000: Proceedings Of The 2nd International Galliformes Symposium (September 24-October 1, 2000 : Kathmandu And Royal Chitwan National Park, Nepal), Maureen Woodburn, Philip J. Mcgowan, John P. Carroll, Abbas Musavi, Zhang Zheng-Wang
Galliformes 2000: Proceedings Of The 2nd International Galliformes Symposium (September 24-October 1, 2000 : Kathmandu And Royal Chitwan National Park, Nepal), Maureen Woodburn, Philip J. Mcgowan, John P. Carroll, Abbas Musavi, Zhang Zheng-Wang
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Plenary presentation
Molecular genetics and the conservation of threatened birds, David Parkin
Country overviews
Overview of the Galliformes of Nepal and their conservation status, Hem Sagar Baral
Conservation of lndian Galliformes through the Important Bird Areas approach, Farah Ishtiaq, Supriya Jhunjhunwala, M. Zafar-ul-Islam and Asad R. Rahmani
Status, distribution and conservation efforts of pheasants in Myanmar with special emphasis on Blyth's tragopan, Kyaw Tint and Khin Maung Zaw
Distribution and conservation status of Galliformes in Bangladesh, Md. Sohrab Uddin Sarker and Noor Jahan Sarker
Recent infonnation on the status and conservation of Galliformes in Cambodia, Tan Setha and Pich Bunnat …
Quail Iv: Proceedings Of The Fourth National Quail Symposium (May 6-9, 1997 : Florida State University, Tallahassee, Florida), Leonard A. Brennan, William E. Palmer, Loren W. Burger Jr., Teresa L. Pruden
Quail Iv: Proceedings Of The Fourth National Quail Symposium (May 6-9, 1997 : Florida State University, Tallahassee, Florida), Leonard A. Brennan, William E. Palmer, Loren W. Burger Jr., Teresa L. Pruden
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Fourth Herbert L. Stoddard, Sr. Memorial Game Bird Lecturer: Dr. G. R. Potts, Leonard A. Brennan
FOURTH STODDARD MEMORIAL GAME BIRD LECTURE
Using the Scientific Method to Improve Game Bird Management and Research: Time, G. R. Potts
QUAIL POPULATION RESPONSES TO HABITAT MANAGEMENT AND CHANGE
Habitat Use by Breeding Northern Bobwhites in Managed Old-Field Habitats in Mississippi, Jimmy D. Taylor, II and Loren W. Burger, Jr.
Habitat Management for Northern Bobwhites in Wisconsin: A Long-Term Assessment, LeRoy R. Petersen, Robert T. Dumke, and Barbara F. Duerksen
Effects of Filter Strips on Habitat Use and Home Range of Northern Bobwhites on …
Partridges, Quails, Francolins, Snowcocks, Guineafowl, And Turkeys Status Survey And Conservation Action Plan, 2000–2004, Richard A. Fuller, John P. Carroll, Philip J. K. Mcgowan, Wpa/Birdlife/Iuch-Ssc Partridge, Quail And Francolin Specialist Group
Partridges, Quails, Francolins, Snowcocks, Guineafowl, And Turkeys Status Survey And Conservation Action Plan, 2000–2004, Richard A. Fuller, John P. Carroll, Philip J. K. Mcgowan, Wpa/Birdlife/Iuch-Ssc Partridge, Quail And Francolin Specialist Group
Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials
Executive Summary
This Action Plan covers the partridges, quails, francolins, snowcocks, guineafowl, and turkeys, a group of nearly 150 ground-dwelling gamebirds found in every continent apart from Antarctica. They live in a wide variety of habitats from tropical forests, high-altitude alpine zones, temperate forests, and open country of various kinds, to desert environments. Although they are very widespread, little is known about the species occurring outside Europe and North America. Several species are considered to be at grave risk of extinction, while others are so poorly known that it is difficult to evaluate their conservation needs. In 1995, the first …
Annual Review Of The World Pheasant Association 1999/2000, World Pheasant Association
Annual Review Of The World Pheasant Association 1999/2000, World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials
President's message, Keith C. R. Howman
Chairman's report, Richard P. Howard
Annual report of Council 1999/2000
Treasurer's annual report and accounts, Ian F. Hoggarth
Conservation Committee report, Philip J. K. McGowan
Chapters and Affiliate reports
Pheasant Specialist Group report, Peter J. Garson
Partridge, Quail and Francolin Specialist Group report, John P. Carroll
Grouse Specialist Group report, Ilse Storch
Megapode Specialist Group report, René W. R. J. Dekker
Cracid Specialist Group report, Daniel M. Brooks and Stuart D. Strahl
WPA-South Asia Field Office report, Rahul Kaul
Himalayan mountain quail in India: living or extinct? Tahmina Shafiq, Salim Javed, and Rahul Kaul …
Proximity Of White-Tailed Deer, Odocoileus Virginianus, Ranges To Wolf, Canis Lupus, Pack Homesites, Michael E. Nelson, L. David Mech
Proximity Of White-Tailed Deer, Odocoileus Virginianus, Ranges To Wolf, Canis Lupus, Pack Homesites, Michael E. Nelson, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Seven adult female White-tailed Deer (Odocoileus virginianus) in northeastern Minnesota lived within 1.8 km of Wolf pack (Canis lupus) homesites without vacating their home ranges. Six of these deer and at least three of their fawns survived through the Wolf homesite period.
A Record Large Wolf, Canis Lupus, Pack In Minnesota, L. David Mech
A Record Large Wolf, Canis Lupus, Pack In Minnesota, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
This report documents a pack of 22-23 Wolves (Canis lupus) in central Minnesota. This is larger than the largest pack previously observed on the mainland in the midwestern U.s. during 650 wolf pack-years. Because this record-large pack preyed on White-tailed Deer (Odocoileus virginianus), one of the Wolfs smaller prey, it is evidence that pack size and prey size are not tightly related. It also indicates the size that Wolf packs can attain in the area if fully protected from human persecution.
Lack Of Reproduction In Muskoxen And Arctic Hares Caused By Early Winter?, L. David Mech
Lack Of Reproduction In Muskoxen And Arctic Hares Caused By Early Winter?, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
A lack of young muskoxen (Ovibos moschatus) and arctic hares (Lepus arcticus) in the Eureka area of Ellesmere Island, Northwest Territories (now Nunavut), Canada, was observed during summer 1998, in contrast to most other years since 1986. Evidence of malnourished muskoxen was also found. Early winter weather and a consequent 50% reduction of the 1997 summer replenishment period appeared to be the most likely cause, giving rise to a new hypothesis about conditions that might cause adverse demographic effects in arctic herbivores.
Durant l’été 1998, et ce, à la différence de la plupart des années depuis …
Accuracy And Precision Of Estimating Age Of Gray Wolves By Tooth Wear, Philip S. Gipson, Warren B. Ballard, Ronald M. Nowak, L. David Mech
Accuracy And Precision Of Estimating Age Of Gray Wolves By Tooth Wear, Philip S. Gipson, Warren B. Ballard, Ronald M. Nowak, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
We evaluated the accuracy and precision of tooth wear for aging gray wolves (Canis lupus) from Alaska, Minnesota, and Ontario based on 47 known-age or known-minimum-age skuIIs. Estimates of age using tooth wear and a commercial cementum annuli-aging service were useful for wolves up to 14 years old. The precision of estimates from cementum annuli was greater than estimates from tooth wear, but tooth wear estimates are more applicable in the field. We tended to overestimate age by 1-2 years and occasionaIIy by 3 or 4 years. The commercial service aged young wolves with cementum annuli to within …
Salinity And Shade Preferences Result In Ovipositional Differences Between Sympatric Tiger Beetle Species, W. Wyatt Hoback, Douglas A. Golick, Tina Marie Svatos, Stephen M. Spomer, Leon G. Higley
Salinity And Shade Preferences Result In Ovipositional Differences Between Sympatric Tiger Beetle Species, W. Wyatt Hoback, Douglas A. Golick, Tina Marie Svatos, Stephen M. Spomer, Leon G. Higley
Department of Entomology: Faculty Publications
1. Adult tiger beetles of the genus Cicindela often co-occur within a habitat but larvae do not. Larvae are sedentary and form usually permanent burrows at the site of oviposition where they require 1-3 years for development.
2. To test niche partitioning based on ovipositional preference, the behavior of two sympatric salt marsh tiger beetles, Cicindela circumpicta and C. togata (Coleoptera: Cicindelidae), were examined.
3. In laboratory studies, female C. circumpicta and C. togata distinguished between experimental salinities, with the former preferring 4 parts per thousand (ppt) and the latter preferring 12 ppt. In the field, C. circumpicta larvae were …
Wpa News 60 (1999), World Pheasant Association
Wpa News 60 (1999), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (November 1999), number 60
Published by the World Pheasant Association
Evidence Supporting The Recent Origin And Species Status Of The Timberline Sparrow, John Klicka, Robert M. Zink, Jon C. Barlow, W. Bruce Mcgillivray, Terry J. Doyle
Evidence Supporting The Recent Origin And Species Status Of The Timberline Sparrow, John Klicka, Robert M. Zink, Jon C. Barlow, W. Bruce Mcgillivray, Terry J. Doyle
Ornithology Program (HRC)
The Timberline Sparrow (Spizella taverneri), although originally described as a species, is currently classified as a subspecies of the more widespread Brewer's Sparrow (S. breweri). We investigated the taxonomic status and recent evolutionary history of these species by comparison of both morphological and molecular characters. Morphometric comparisons using 6 external and 18 skeletal measurements show that S. taverneri specimens from two widely separated populations (Yukon and southwestern Alberta, Canada) are indistinguishable with respect to size yet are significantly larger (by 3%) than representatives of several breweri populations. Analysis of 1,413 base pairs of mitochondrial DNA (mtDNA) for 10 breweri and …
Wpa News 59 (1999), World Pheasant Association
Wpa News 59 (1999), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1999), number 59
Published by the World Pheasant Association
Ecology Of The Malay Civet (Viverra Tangalunga) In A Logged And An Unlogged Forest In Sabah, East Malaysia, Christina P. Colon
Ecology Of The Malay Civet (Viverra Tangalunga) In A Logged And An Unlogged Forest In Sabah, East Malaysia, Christina P. Colon
Publications and Research
Malay civets in a dipterocarp rain forest were studied from December, 1995, through June, 1997, in the Ulu Segama Forest Reserve in Sabah, East Malaysia. To investigate the basic ecology of this species and explore the potential impact of selective logging, data on home range, activity and diet were collected on study animals in an unlogged and a selectively logged forest, and comparisons made.
Density in the unlogged forest was 1/0.46 km2 , and 1/1.07 km2 in the logged forest. Mean home range size based on a 95% minimum convex polygon was 110 ha. and did not differ …
Wpa News 58 (1999), World Pheasant Association
Wpa News 58 (1999), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (February 1999), number 58
Published by the World Pheasant Association
Annual Review Of The World Pheasant Association 1998/1999, World Pheasant Association
Annual Review Of The World Pheasant Association 1998/1999, World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials
President's message, Keith C. R. Howman
Chairman's report, Richard P. Howard
Annual report of Council 1998/99
Treasurer's annual report and accounts, Ian F.. Hoggarth
Conservation Breeding Advisory Committee report, Han Assink
Chapters and Affiliate reports
Pheasant Specialist Group report, Peter J. Garson
Partridge, Quail and Francolin Specialist Group report, John P. Carroll
Grouse Specialist Group report, Ilse Storch
Megapode Specialist Group report, René W. R. J. Dekker
Cracid Specialist Group report, Daniel M. Brooks and Stuart D. Strahl
WPA-South Asia Regional Office, Rahul Kaul
Pheasant surveys in Pakistan, Rab Nawaz
A preliminary study of the effects of habitat isolation and …
Alpha Status, Dominance, And Division Of Labor In Wolf Packs, L. David Mech
Alpha Status, Dominance, And Division Of Labor In Wolf Packs, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The prevailing view of a wolf (Canis lupus) pack is that of a group of individuals ever vying for dominance but held in check by the “alpha” pair, the alpha male and alpha female. Most research on the social dynamics of wolf packs, however, has been conducted on non-natural assortments of captive wolves. Here I describe the wolf-pack social order as it occurs in nature, discuss the alpha concept and social dominance and submission, and present data on the precise relationships among members in free-living packs, based on a literature review and 13 summers of observations of wolves …
Pqf News: Newsletter Of The Partridge, Quail, And Francolin Specialist Group 13/14-19 (1999-2003), Iucn Species Survival Commission, Birdlife International, World Pheasant Association
Pqf News: Newsletter Of The Partridge, Quail, And Francolin Specialist Group 13/14-19 (1999-2003), Iucn Species Survival Commission, Birdlife International, World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
The purpose of the newsletter is to receive details of new projects, re-assessments of the status of relevant species, interesting discoveries or observations, taxonomic changes, conservation successes or threats and anything else that members might find interesting. We would like in future issues to produce a list of relevant publications which appear during the year in order to keep members up-to-date with current information. We will publish requests for contacts or information, advertisements for conferences and workshops and news of projects and project proposals.
Issue 13/14 (Spring/Autumn 1999)
Action Plan revision: A progress report, Richard Fuller
First nest records for …
1999 Nebraska Central Mixedgrass Prairie Rapid Ecological Assessment, Mike Bullerman
1999 Nebraska Central Mixedgrass Prairie Rapid Ecological Assessment, Mike Bullerman
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This document has been prepared in partial fulfillment of the 1999 Central Mixedgrass Prairie ecoregion [CMGP] Rapid Ecological Assessment [REA] contract between the Nebraska Chapter of The Nature Conservancy [TNC] and Michael J. Bullerman [“contractor”]. The contract provided for the survey of selected untilled landscapes within the Nebraska portion of the CMGP ecoregion, excluding the Sandhills. The objectives of this study were to:
1) Identify relatively intact CMGP landscapes within the state of Nebraska,
2) Determine the ecological condition, threats, unique features, and conservation potential of these landscapes,
3) Determine land use practices implemented by landowners,
4) Determine landowner attitudes …
1999 Wildlife Management Area Threatened And Endangered Species Inventory, Final Report, Robert F. Steinauer
1999 Wildlife Management Area Threatened And Endangered Species Inventory, Final Report, Robert F. Steinauer
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This study was undertaken to determine the extent of threatened and endangered (T&E) species habitats and high-quality native plant communities on Nebraska Game and Parks Commission (NGPC) Wildlife Management Areas (WMAs). The Nebraska Natural Heritage Program (NHP) is responsible for environmental reviews of state projects that may impact threatened and endangered (T&E) species in Nebraska, including proposed management actions on state Wildlife Management Areas (WMA). These environmental reviews require a significant amount of NHP staff time, and frequently find no adverse impacts associated with the proposed management actions. This survey was undertaken to improve Nebraska Game and Parks Commissions (NGPC) …
Inventory Of The Central Mixed-Grass Prairie Ecoregion Of Kansas And Nebraska, Hillary Loring, Mike Bullerman, Kelly Kindscher
Inventory Of The Central Mixed-Grass Prairie Ecoregion Of Kansas And Nebraska, Hillary Loring, Mike Bullerman, Kelly Kindscher
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
An inventory of potential high quality mixed-grass prairie ranches and large properties within the Central Mixed-Grass Prairie Ecoregion of Kansas and Nebraska was conducted in the spring and summer of 1999. Emphasis during the inventory was placed on identification of relatively intact landscapes. Significant ranches within those untilled landscapes were visited. An interview of the owners or managers of those properties was coupled with a survey of the vegetation. Assessments of quality were based on species composition, continuity of ground cover, observations of livestock impact, and viability of the community types present.
The objectives of this study were to:
1) …
Alpha Status, Dominance, And Division Of Labor In Wolf Packs, L. David Mech
Alpha Status, Dominance, And Division Of Labor In Wolf Packs, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The prevailing view of a wolf (Canis lupus) pack is that of a group of individuals ever vying for dominance but held in check by the “alpha” pair, the alpha male and alpha female. Most research on the social dynamics of wolf packs, however, has been conducted on non-natural assortments of captive wolves. Here I describe the wolf-pack social order as it occurs in nature, discuss the alpha concept and social dominance and submission, and present data on the precise relationships among members in free-living packs, based on a literature review and 13 summers of observations of wolves …