Literaturdatenbank

WIKINDX Resources

Farnsworth, S. D., & Seigel, R. A. , Simultaneous effects of a ranavirus outbreak on amphibians and box turtles. 
Added by: Admin (06 Jan 2014 18:22:47 UTC)
Resource type: Conference Paper
BibTeX citation key: Farnsworth2011a
View all bibliographic details
Categories: General
Keywords: Amphibien - amphibians, Emydidae, Habitat - habitat, Nordamerika - North America, Schildkröten - turtles + tortoises, Terrapene carolina, Veterinärmedizin - veterinary medicine, Viren - viruses
Creators: Farnsworth, Seigel
Views: 2/619
Views index: 16%
Popularity index: 4%
Abstract     
Reports of outbreaks of Ranavirus are becoming increasingly common, especially for amphibians. Unfortunately, information on the timing, extent, and frequency of occurrence of such outbreaks remain limited, due to the transitory nature of the disease. From 2008-2011, we studied the ecology and movement patterns of Eastern Box Turtles (Terrapene carolina) at North Branch Rock Creek Park in south-central Maryland. The first mortality from Ranavirus was seen at our study site in August, 2009, when we found seven turtles dead in the field and two turtles with apparent signs of disease. Since that time, more than 20 turtles have been found dead at our site. Results of inspection of fresh carcasses sent to the USGS Wildlife Lab confirmed that at least three of the box turtle mortalities were due Ranavirus infection. Although no unusual amphibian mortality was seen in 2008 or 2009, during the early spring of 2010, we began examining larval frogs (Rana sylvatica) and salamanders (Ambystoma opacum) for signs of Ranavirus infection as well. We found multiple vernal pools where an apparent 100% of larval amphibians were infected with Ranavirus, later confirmed by the USGS Wildlife Lab. Mortality at these sites was an effective 100%. We found the same pattern of infection and subsequent complete mortality among larval amphibians during spring 2011 at these and additional sites. The simultaneous impacts of Ranavirus on amphibians and box turtles at the same site suggests a potential link, but the mechanism for this remains poorly understood.
Added by: Admin  
wikindx 4.2.2 ©2014 | Total resources: 14930 | Database queries: 55 | Script execution: 0.26367 secs | Style: American Psychological Association (APA) | Bibliography: WIKINDX Master Bibliography