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Articles 1 - 13 of 13
Full-Text Articles in Life Sciences
Spatiotemporal Interactions Between Deer And Cattle, Sydney Brewer
Spatiotemporal Interactions Between Deer And Cattle, Sydney Brewer
Honors Theses
Mule deer, white-tailed deer, and cattle are sympatric on the landscape throughout many portions of Nebraska and encounter each other in time and space. By considering variation in daily activity patterns and non-random patterns in the timing of passage through specific locations, we can better understand whether animals may be avoiding each other temporally when sharing space. I investigated temporal activity patterns and avoidance/attraction ratios to investigate if deer altered their activity patterns in the presence of cattle and if they exhibited avoidance at a study site near McCook, Nebraska, USA. We collected data from 19 game cameras that were …
Recolonizing Carnivores: Is Cougar Predation Behaviorally Mediated By Bears?, Kristin N. Engebretsen, Jon P. Beckmann, Carl W. Lackey, Alyson M. Andreasen, Cody Schroeder, Pat Jackson, Julie K. Young
Recolonizing Carnivores: Is Cougar Predation Behaviorally Mediated By Bears?, Kristin N. Engebretsen, Jon P. Beckmann, Carl W. Lackey, Alyson M. Andreasen, Cody Schroeder, Pat Jackson, Julie K. Young
USDA Wildlife Services: Staff Publications
Conservation and management efforts have resulted in population increases and range expansions for some apex predators, potentially changing trophic cascades and foraging behavior. Changes in sympatric carnivore and dominant scavenger populations provide opportunities to assess how carnivores affect one another. Cougars (Puma concolor) were the apex predator in the Great Basin of Nevada, USA, for over 80 years. Black bears (Ursus americanus) have recently recolonized the area and are known to heavily scavenge on cougar kills. To evaluate the impacts of sympatric, recolonizing bears on cougar foraging behavior in the Great Basin, we investigated kill sites of 31 cougars between …
Spatial Processes Decouple Management From Objectives In A Heterogeneous Landscape: Predator Control As A Case Study, Peter J. Mahoney, Julie K. Young, Kent R. Hersey, Randy T. Larsen, Brock R. Mcmillan, David C. Stoner
Spatial Processes Decouple Management From Objectives In A Heterogeneous Landscape: Predator Control As A Case Study, Peter J. Mahoney, Julie K. Young, Kent R. Hersey, Randy T. Larsen, Brock R. Mcmillan, David C. Stoner
USDA Wildlife Services: Staff Publications
Predator control is often implemented with the intent of disrupting top-down regulation in sensitive prey populations. However, ambiguity surrounding the efficacy of predator management, as well as the strength of top-down effects of predators in general, is often exacerbated by the spatially implicit analytical approaches used in assessing data with explicit spatial structure. Here, we highlight the importance of considering spatial context in the case of a predator control study in south-central Utah. We assessed the spatial match between aerial removal risk in coyotes (Canis latrans) and mule deer (Odocoileus hemionus) resource selection during parturition using …
Cougar Predation Rates And Prey Composition In The Pryor Mountains Of Wyoming And Montana, Linsey W. Blake, Eric M. Gese
Cougar Predation Rates And Prey Composition In The Pryor Mountains Of Wyoming And Montana, Linsey W. Blake, Eric M. Gese
USDA Wildlife Services: Staff Publications
Understanding predator-prey dynamics is a fundamental principle of ecology and an ideal component for management decisions. Across North America, the impact of cougars (Puma concolor) on their prey varies regionally. To document the relationships between cougars, bighorn sheep (Ovis canadensis canadensis), mule deer (Odocoileus hemionus), and feral horses (Equus caballus) on the Bighorn Canyon National Recreation Area and the Pryor Mountains, we deployed GPS collars on 6 cougars (the total number residing on the study area), and visited their clusters to determine predation rates and foraging patterns. We examined the composition of …
Landscape And Anthropogenic Features Influence The Use Of Auditory Vigilance By Mule Deer, Emma Lynch, Joseph M. Northrup, Megan F. Mckenna, Charles R. Anderson Jr, Lisa Angeloni, George Wittemyer
Landscape And Anthropogenic Features Influence The Use Of Auditory Vigilance By Mule Deer, Emma Lynch, Joseph M. Northrup, Megan F. Mckenna, Charles R. Anderson Jr, Lisa Angeloni, George Wittemyer
United States National Park Service: Publications
While visual forms of vigilance behavior and their relationship with predation risk have been broadly examined, animals also employ other vigilance modalities such as auditory vigilance by listening for the acoustic cues of predators. Similar to the tradeoffs associated with visual vigilance, auditory behavior potentially structures the energy budgets and behavior of animals. The cryptic nature of auditory vigilance makes it difficult to study, but on-animal acoustical monitoring has rapidly advanced our ability to investigate behaviors and conditions related to sound. We utilized this technique to investigate the ways external stimuli in an active natural gas development field affect periodic …
Evaluation Of Techniques To Reduce Deer And Elk Damage To Agricultural Crops, Heather E. Johnson, Justin W. Fischer, Matthew Hammond, Patricia D. Dorsey, W. David Walter, Charles Anderson, Kurt C. Vercauteren
Evaluation Of Techniques To Reduce Deer And Elk Damage To Agricultural Crops, Heather E. Johnson, Justin W. Fischer, Matthew Hammond, Patricia D. Dorsey, W. David Walter, Charles Anderson, Kurt C. Vercauteren
USDA Wildlife Services: Staff Publications
Mule deer (Odocoileus hemionus) and Rocky Mountain elk (Cervus elaphus nelsoni) provide important recreational, ecological, and economic benefits, but can also cause substantial damage to agricultural crops. Cervid damage to agriculture creates challenges for wildlife agencies responsible for minimizing crop depredation while maintaining healthy deer and elk populations. Sunflower producers in southwestern Colorado, USA, have experienced high deer and elk damage and were interested in temporary methods to reduce damage that were cost-effective for rotational crops. To address this challenge, we investigated 3 temporary, non-lethal exclusion and repellent techniques for reducing deer and elk damage to …
Mineral Licks: Motivational Factors For Visitation And Accompanying Disease Risk At Communal Use Sites Of Elk And Deer, Michael J. Lavelle, Gregory E. Phillips, Justin W. Fischer, Patrick W. Burke, Nathan W. Seward, Randal S. Stahl, Tracy A. Nichols, Bruce A. Wunder, Kurt C. Vercauteren
Mineral Licks: Motivational Factors For Visitation And Accompanying Disease Risk At Communal Use Sites Of Elk And Deer, Michael J. Lavelle, Gregory E. Phillips, Justin W. Fischer, Patrick W. Burke, Nathan W. Seward, Randal S. Stahl, Tracy A. Nichols, Bruce A. Wunder, Kurt C. Vercauteren
USDA Wildlife Services: Staff Publications
Free-ranging cervids acquire most of their essential minerals through forage consumption, though occasionally seek other sources to account for seasonal mineral deficiencies. Mineral sources occur as natural geological deposits (i.e., licks) or as anthropogenic mineral supplements. In both scenarios, these sources commonly serve as focal sites for visitation. We monitored 11 licks in Rocky Mountain National Park, north-central Colorado, using trail cameras to quantify daily visitation indices (DVI) and soil consumption indices (SCI) for Rocky Mountain elk (Cervus elaphus) and mule deer (Odocoileus hemionus) during summer 2006 and documented elk, mule deer, and moose (Alces …
Immunization With A Synthetic Peptide Vaccine Fails To Protect Mule Deer (Odocoileus Hemionus) From Chronic Wasting Disease, John L. Pilon, Jack C. Rhyan, Lisa L. Wolfe, Tracy R. Davis, Matt P. Mccollum, Katherine I. O'Rourke, Terry R. Spraker, Kurt C. Vercauteren, Michael W. Miller, Thomas Gidlewski, Tracy A. Nichols, Lowell A. Miller, Pauline Nol
Immunization With A Synthetic Peptide Vaccine Fails To Protect Mule Deer (Odocoileus Hemionus) From Chronic Wasting Disease, John L. Pilon, Jack C. Rhyan, Lisa L. Wolfe, Tracy R. Davis, Matt P. Mccollum, Katherine I. O'Rourke, Terry R. Spraker, Kurt C. Vercauteren, Michael W. Miller, Thomas Gidlewski, Tracy A. Nichols, Lowell A. Miller, Pauline Nol
USDA Wildlife Services: Staff Publications
Chronic wasting disease (CWD) adversely affects both wild and captive cervid populations. A vaccine to prevent CWD would be a highly desirable tool to aid in disease management. To this end, we tested in mule deer a combination of CWD vaccines consisting of cervid prion peptide sequences 168-VDQYNNQNTFVHDC-182 and 145- NDYEDRYYRENMYRYPNQ-164 that had previously been shown to delay onset of clinical disease and increase survival in a mouse-adapted scrapie model. Thirteen captive mule deer (Odocoileus hemionus) were divided into vaccine (n=7) and control groups (n=6), and given prime and boost vaccinations intramuscularly 5 wk apart. Eight weeks postprime …
First Observation Of Elaeophora Schneideri Wehr And Dikmans, 1935 (Nematoda:Filariidae) In Mule Deer From Nebraska, R. D. Mcknown, M. C. Sterner, D. W. Oates
First Observation Of Elaeophora Schneideri Wehr And Dikmans, 1935 (Nematoda:Filariidae) In Mule Deer From Nebraska, R. D. Mcknown, M. C. Sterner, D. W. Oates
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Between November 2000 and November 2005, approximately 200 mule deer (Odocoileus hemionus hemionus) and whitetailed deer (Odocoileus virginianus) from western Nebraska were extensively examined for the presence of Elaeophora schneideri, Wehr and Dikmans, 1935; three adult E. schneideri were detected from three mule deer. This represents the first documented occurrence of E. schneideri from wild deer in Nebraska.
Meningeal Worm In Deer From Western Nebraska, David W. Oates, Mauritz C. Sterner, Ed Boyd
Meningeal Worm In Deer From Western Nebraska, David W. Oates, Mauritz C. Sterner, Ed Boyd
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
One hundred seventy-eight whitetailed deer (Odocoileus virginianus) and 275 mule deer (Odocoileus hemionus) collected from locker plants in the western 2/3 of Nebraska (USA) in November 1997 were examined for the meningeal worm (Parelaphostrongylus tenuis). Parelaphostrongylus tenuis was identified in 17 (10%) of 168 white-tailed deer and in one (<1%) of 273 mule deer. This is the first naturally occurring infection of P. tenuis recorded in a mule deer.
Meningeal Worm In Free-Ranging Deer In Nebraska, David W, Oates, Mauritz C. Sterner, David J. Steffen
Meningeal Worm In Free-Ranging Deer In Nebraska, David W, Oates, Mauritz C. Sterner, David J. Steffen
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
The meningeal worm (Parelaphostrongylus tenuis) was found in 22 (7%) of 300 white-tailed deer (Odocoileus virginianus) (257 adults, 43 fawns) examined from Nebraska (USA) during November 1996. None of 53 mule deer (Odocoileus hemionus) (47 adults and 6 fawns) examined were infected. Twenty-two white-tailed deer from 18 counties in eastern Nebraska were infected with Parelaphostrongylus tenuis. This is the first record of P. tenuis in white-tailed deer from this state.
Ec91-1773 Deer Damage Control In Nebraska, Scott E. Hygnstrom, Bill Baxter
Ec91-1773 Deer Damage Control In Nebraska, Scott E. Hygnstrom, Bill Baxter
University of Nebraska-Lincoln Extension: Historical Materials
Nebraskans are fortunate to have two species of deer in the state — the white-tailed deer (Odocoileus virginianus) and the mule deer (Odocoileus hemionus). They are beautiful and fascinating animals that provide many aesthetic and recreational benefits. They can however, cause problems when they damage agricultural crops, trees and backyard plantings.
This extension circular covers the methods of reducing deer damage through herd management (legal harvest, shooting permits, and live removal), deer fencing, repellents, and scare devices.
Nebraska Deer, William Bailey Jr., George Schildman, Phillip Agee, C. G. Pritchard
Nebraska Deer, William Bailey Jr., George Schildman, Phillip Agee, C. G. Pritchard
Nebraska Game and Parks Commission: Publications
IN COMMON with the experience of most states, Nebraska's deer herds were reduced to a very low level by excessive harvests in our early history. Most American big-game animals were overharvested in the early history of this nation because of commercialization. Buffalo were killed for their hides, deer for their meat. This slaughter continued as long as the hunter (or poacher) could sell his take at a profit. Modem game management and public opinion reversed this trend. Deer are on the way back all over America, and in some states the protection-complex was so strong that deer were restored to …