National Wildlife Health Center

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View citations of publications by National Wildlife Health Center scientists since our founding in 1975.  Access to full-text is provided where possible.

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Search USGS publications in the USGS Publications Warehous

Filter Total Items: 1,404
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Year Published: 2020

Mass mortality in freshwater mussels (Actinonaias pectorosa) in the Clinch River, USA, linked to a novel densovirus

Freshwater mussels (order Unionida) are among the world’s most biodiverse but imperiled taxa. Recent unionid mass mortality events around the world threaten ecosystem services such as water filtration, nutrient cycling, habitat stabilization, and food web enhancement, but causes have remained elusive. To examine potential infectious causes of...

Richard, Jordon; Leis, Eric; Dunn, Christopher D.; Agbalog, Rose; Waller, Diane L.; Knowles, Susan; Putnam, Joel G.; Goldberg, Tony

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Year Published: 2020

Canine distemper virus in the sea otter population (Enhydra lutris) in Washington State, USA

Before 2001, all serosurveys for morbilliviruses in sea otters (Enhydra lutris) in California, Washington, and Alaska, USA, documented a 0% seroprevalence. The first published serologic detections of morbillivirus in sea otters occurred in 2001–02 in live-captured Washington sea otters, with a documented 80% seroprevalence. We conducted a...

Thomas, Nancy; White, C. LeAnn; Saliki, Jeremiah; Schuler, Krysten L.; Lynch, Deanna; Nielsen, Ole; Dubey, J.P.; Knowles, Susan

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Year Published: 2020

Elemental and radionuclide exposures and uptakes by small rodents, invertebrates, and vegetation at active and post-production uranium mines in the Grand Canyon watershed

The effects of breccia pipe uranium mining in the Grand Canyon watershed (Arizona) on ecological and cultural resources are largely unknown. We characterized the exposure of biota to uranium and co-occurring ore body elements during active ore production and at a site where ore production had recently concluded. Our results indicate that biota...

Cleveland, Danielle; Hinck, Jo Ellen; Lankton, Julia S.

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Year Published: 2020

Batrachochytrium salamandrivorans (Bsal) not detected in an intensive survey of wild North American amphibians

The salamander chytrid fungus (Batrachochytrium salamandrivorans [Bsal]) is causing massive mortality of salamanders in Europe. The potential for spread via international trade into North America and the high diversity of salamanders has catalyzed concern about Bsal in the U.S. Surveillance programs for invading pathogens must initially meet...

Waddle, Hardin; Grear, Daniel A.; Mosher, Brittany; Campbell Grant, Evan H.; Adams, Michael J.; Backlin, Adam R.; Barichivich, William; Brand, Adrianne B.; Bucciarelli, Gary M.; Calhoun, Daniel L.; Chestnut, Tara; Davenport, Jon M.; Dietrich, Andrew E.; Fisher, Robert N.; Glorioso, Brad; Halstead, Brian J.; Hayes, Marc P; Honeycutt, R. Ken; Hossack, Blake R.; Kleeman, Patrick M.; Lemos-Espinal, Julio A; Lorch, Jeffrey M.; Atkinson, Robert W.; Muths, Erin L.; Pearl, Christopher; Richgels, Katherine; Robinson, Charles W; Roth, Mark F.; Rowe, Jennifer; Sadinski, Walter; Sigafus, Brent H.; Stasiak, Iga; Sweet, Samuel; Walls, Christopher B.; Watkins-Colwell, Gregory J; White, C. LeAnn; Williams, Lori A; Winzeler, Megan E.

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Year Published: 2020

Genesis and spread of multiple reassortants during the 2016/2017 H5 avian influenza epidemic in Eurasia

Highly pathogenic avian influenza (HPAI) viruses of the H5 A/goose/Guangdong/1/96 lineage can cause severe disease in poultry and wild birds, and occasionally in humans. In recent years, H5 HPAI viruses of this lineage infecting poultry in Asia have spilled over into wild birds and spread via bird migration to countries in Europe, Africa, and...

Palese, Peter; Lycett, Samantha; Pohlmann, Anne; Staubach, Christoph; Caliendo, Valentina; Woolhouse, Mark; Beer, Martin; Kuiken, Thijs; van Borm, Steven; Breed, Andrew; Briand, Francois-Xavier; Brown, Ian; Dan, Adam; DeLiberto, Thomas J.; von Dobschuetz, Sophie; Fouchier, Ron A. M.; Gilbert, Marius; Hill, Sarah; Hjulsager, Charlotte Kristiane; Ip, Hon S.; Koopmans, Marion; Larsen, Lars Erik; Lee, Dong-Hun; Naguib, Mahmoud Mohamed; Monne, I.; Pybus, Oliver; Ramey, Andrew M.; Savic, Vladmir; Sharshov, Kirill; Shestopalov, Alexander; Song, Chang-Seon; Steensels, Mieke; Swayne, David; Swieton, Edyta; Wan, Xiu-Feng; Zohari, Siamak

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Year Published: 2020

Ecological forecasting—21st century science for 21st century management

Natural resource managers are coping with rapid changes in both environmental conditions and ecosystems. Enabled by recent advances in data collection and assimilation, short-term ecological forecasting may be a powerful tool to help resource managers anticipate impending near-term changes in ecosystem conditions or dynamics. Managers may use the...

Bradford, John B.; Weltzin, Jake F.; Mccormick, Molly; Baron, Jill; Bowen, Zack; Bristol, Sky; Carlisle, Daren; Crimmins, Theresa; Cross, Paul; DeVivo, Joe; Dietze, Mike; Freeman, Mary; Goldberg, Jason; Hooten, Mevin; Hsu, Leslie; Jenni, Karen; Keisman, Jennifer; Kennen, Jonathan; Lee, Kathy; Lesmes, David; Loftin, Keith; Miller, Brian W.; Murdoch, Peter; Newman, Jana; Prentice, Karen L.; Rangwala, Imtiaz; Read, Jordan; Sieracki, Jennifer; Sofaer, Helen; Thur, Steve; Toevs, Gordon; Werner, Francisco; White, C. LeAnn; White, Timothy; Wiltermuth, Mark
Bradford, J.B., Weltzin, J.F., McCormick, M., Baron, J., Bowen, Z., Bristol, S., Carlisle, D., Crimmins, T., Cross, P., DeVivo, J., Dietze, M., Freeman, M., Goldberg, J., Hooten, M., Hsu, L., Jenni, K., Keisman, J., Kennen, J., Lee, K., Lesmes, D., Loftin, K., Miller, B.W., Murdoch, P., Newman, J., Prentice, K.L., Rangwala, I., Read, J., Sieracki, J., Sofaer, H., Thur, S., Toevs, G., Werner, F., White, C.L., White, T., and Wiltermuth, M., 2020, Ecological forecasting—21st century science for 21st century management: U.S. Geological Survey Open-File Report 2020–1073, 54 p., https://doi.org/10.3133/ofr20201073.

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Year Published: 2020

An invasive disease, sylvatic plague, increases fragmentation of black-tailed prairie dog (Cynomys ludovicianus) colonies

ContextA disease can be a source of disturbance, causing population declines or extirpations, altering species interactions, and affecting habitat structure. This is particularly relevant for diseases that affect keystone species or ecosystem engineers, leading to potentially cascading effects on ecosystems.ObjectiveWe investigated the invasion of...

Keuler, Krystal M.; Bron, Gebbiana M.; Griebel, Randall; Richgels, Katherine

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Year Published: 2020

Possible control of acute outbreaks of a marine fungal pathogen by nominally herbivorous tropical reef fish

Primary producers in terrestrial and marine systems can be affected by fungal pathogens threatening the provision of critical ecosystem services. Crustose coralline algae (CCA) are ecologically important members of tropical reef systems and are impacted by coralline fungal disease (CFD) which manifests as overgrowth of the CCA crust by fungal...

Neal, B. P.; Honish, B.; Warrender, T.; Williams, G. J.; Work, Thierry M.; Price, N. N.

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Year Published: 2020

When and where: Estimating the date and location of introduction for exotic pests and pathogens

A fundamental question during the outbreak of a novel disease or invasion of an exotic pest is: At what location and date was it first introduced? With this information, future introductions can be anticipated and perhaps avoided. Point process models are commonly used for mapping species distribution and disease occurrence. If the time and...

Hefley, Trevor J.; Russell, Robin E.; Ballmann, Anne; Zhang, Haoyu

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Year Published: 2020

Low-level detection of SFD-causing Ophidiomyces on Burmese Pythons in southwest Florida, with confirmation of the pathogen on co-occurring native snakes

Snake fungal disease (SFD), or ophidiomycosis, is caused by the fungus Ophidiomyces ophiodiicola (Allender et al. 2015; Lorch et al. 2015). SFD is widespread across wild populations in the eastern United States (Lorch et al. 2016) and is known to infect more than 30 species of snake in North America and Europe (Lorch et al. 2016; Franklinos et al...

Glorioso, Brad; Bartoszek, Ian A.; Lorch, Jeffrey M.

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Year Published: 2020

Safe work practices for working with wildlife

Most wildlife biologists, technicians, and veterinarians complete their tasks safely and uneventfully every day. However, some significant risks exist in this line of work, and injuries, illnesses, and accidental deaths among wildlife workers do occur. Aviation accidents (airplane and helicopter), drownings, and car and truck accidents are the...

Richgels, Katherine L. D.; Gibbs, Samantha E.J.; Wild, Margaret A.; Taylor, Tegwin; Buttke, Danielle
Taylor, T., and Buttke, D., 2020, Safe work practices for working with wildlife: U.S. Geological Survey Techniques and Methods, book 15, chap. C2, 26 p., https://doi.org/10.3133/tm15C2.

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Year Published: 2020

Assessing the risks posed by SARS-CoV-2 in and via North American bats—Decision framing and rapid risk assessment

The novel β-coronavirus, SARS-CoV-2, may pose a threat to North American bat populations if bats are exposed to the virus through interaction with humans, if the virus can subsequently infect bats and be transmitted among them, and if the virus causes morbidity or mortality in bats. Further, if SARS-CoV-2 became established in bat populations, it...

Runge, Michael C.; Campbell Grant, Evan H.; Coleman, Jeremy T. H.; Reichard, Jonathan D.; Gibbs, Samantha E. J.; Cryan, Paul M.; Olival, Kevin J.; Walsh, Daniel P.; Blehert, David S.; Hopkins, M. Camille; Sleeman, Jonathan M.
Runge, M.C., Grant, E.H.C., Coleman, J.T.H., Reichard, J.D., Gibbs, S.E.J., Cryan, P.M., Olival, K.J., Walsh, D.P., Blehert, D.S., Hopkins, M.C., and Sleeman, J.M., 2020, Assessing the risks posed by SARS-CoV-2 in and via North American bats—Decision framing and rapid risk assessment: U.S. Geological Survey Open-File Report 2020–1060, 43 p., https://doi.org/10.3133/ofr20201060.