Full Text Journal Articles by
Author John J Cox


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Spatial genetic structure in American black bears (Ursus americanus): female philopatry is variable and related to population history.

Thea V Kristensen, Emily E Puckett, Erin L Landguth, Jerrold L Belant, John T Hast, Colin Carpenter, Jaime L Sajecki, Jeff Beringer, Myron Means, John J Cox, Lori S Eggert, Don White, Kimberly G Smith,

Previously, American black bears (Ursus americanus) were thought to follow the pattern of female philopatry and male-biased dispersal. However, recent studies have identified deviations from this pattern. Such flexibility in dispersal patterns can allow individuals greater ability to acclimate to changing environments. We explored dispersal and spatial genetic relatedness patterns ... Read more >>

Heredity (Edinb) (Heredity)
[2018, 120(4):329-341]

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Consequences of severe habitat fragmentation on density, genetics, and spatial capture-recapture analysis of a small bear population.

Sean M Murphy, Ben C Augustine, Wade A Ulrey, Joseph M Guthrie, Brian K Scheick, J Walter McCown, John J Cox,

Loss and fragmentation of natural habitats caused by human land uses have subdivided several formerly contiguous large carnivore populations into multiple small and often isolated subpopulations, which can reduce genetic variation and lead to precipitous population declines. Substantial habitat loss and fragmentation from urban development and agriculture expansion relegated the ... Read more >>

PLoS ONE (PloS one)
[2017, 12(7):e0181849]

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Seroprevalence of Toxoplasma gondii in American Black Bears ( Ursus americanus ) of the Central Appalachians, USA.

John J Cox, Sean M Murphy, Ben C Augustine, Joseph M Guthrie, John T Hast, Sutton C Maehr, Joseph McDermott,

We assessed Toxoplasma gondii seroprevalence in 53 free-ranging American black bears ( Ursus americanus ) in the Central Appalachian Mountains, US. Seroprevalence was 62% with no difference between males and females or between juvenile and adult bears. Wildlife agencies should consider warnings in hunter education programs to reduce the chances ... Read more >>

J. Wildl. Dis. (Journal of wildlife diseases)
[2017, 53(3):671-673]

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High seroprevalence of Toxoplasma gondii in elk (Cervus canadensis) of the central Appalachians, USA.

John J Cox, Brittany Slabach, John T Hast, Sean M Murphy, Oliver C H Kwok, Jitender P Dubey,

Toxoplasma gondii is an important protozoan parasite of mammals that impacts animal health and behavior. Although this parasite has been documented in several cervid species, including red deer (Cervus elaphus) in Europe, little is known about T. gondii impacts on the closely related North American counterpart, the elk (wapiti, Cervus ... Read more >>

Parasitol. Res. (Parasitology research)
[2017, 116(3):1079-1083]

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Maintenance of brucellosis in Yellowstone bison: linking seasonal food resources, host-pathogen interaction, and life-history trade-offs.

John J Treanor, Chris Geremia, Michael A Ballou, Duane H Keisler, Patrick J White, John J Cox, Philip H Crowley,

The seasonal availability of food resources is an important factor shaping the life-history strategies of organisms. During times of nutritional restriction, physiological trade-offs can induce periods of immune suppression, thereby increasing susceptibility to infectious disease. Our goal was to provide a conceptual framework describing how the endemic level bovine brucellosis ... Read more >>

Ecol Evol (Ecology and evolution)
[2015, 5(17):3783-3799]

Cited: 3 times

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Estimating probabilities of active brucellosis infection in Yellowstone bison through quantitative serology and tissue culture

John J Treanor, Chris Geremia, Philip H Crowley, John J Cox, Patrick J White, Rick L Wallen, Douglas W Blanton,

1. Disease management along the boundaries of wildlife reserves is a growing conservation problem worldwide, as infected wildlife can migrate outside protected areas and pose a threat to livestock and human health. The bison Bison bison population in Yellowstone National Park has long been infected with Brucella abortus, but culling of ... Read more >>

(The Journal of Applied Ecology)
[2011, 48(6):1324-1332]

Cited: 11 times

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Intraguild mutualism.

Philip H Crowley, John J Cox,

Although studies of species linked by a common resource (i.e. ecological guilds) have so far mainly focused on competition and predation, guilds are also good places to find mutualism. In this review we consider some three- and four-species community modules to illustrate examples of wide relevance. Mutualism arises from various ... Read more >>

Trends Ecol. Evol. (Amst.) (Trends in ecology & evolution)
[2011, 26(12):627-633]

Cited: 7 times

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Vaccination strategies for managing brucellosis in Yellowstone bison.

John J Treanor, Joseph S Johnson, Rick L Wallen, Sara Cilles, Philip H Crowley, John J Cox, David S Maehr, P J White, Glenn E Plumb,

Concerns over migratory bison (Bison bison) at Yellowstone National Park transmitting brucellosis (Brucella abortus) to cattle herds on adjacent lands led to proposals for bison vaccination. We developed an individual-based model to evaluate how brucellosis infection might respond under alternate vaccination strategies, including: (1) vaccination of female calves and yearlings ... Read more >>

Vaccine (Vaccine)
[2010, 28 Suppl 5:F64-72]

Cited: 7 times

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Meningeal worm in a reintroduced elk population in Kentucky.

Jeffery L Larkin, Karen J Alexy, David C Bolin, David S Maehr, John J Cox, Michael W Wichrowski, Nathan W Seward,

Meningeal worm (Parelaphostrongylus tenuis) has been implicated in the failure of several elk (Cervus elaphus) restoration attempts in the eastern United States. However, limited post-release monitoring and a paucity of published literature prevents a clear understanding of this parasite's role in past failures. During winters of 1997-2001, the Kentucky Department ... Read more >>

J. Wildl. Dis. (Journal of wildlife diseases)
[2003, 39(3):588-592]

Cited: 6 times

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