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Extreme Conservation: The Consequences of Non-Intervention for Infectious Disease in Great Apes
Event Type:Seminars/Lectures
Location:James Hall, Room G46
 
Friday, October 05, 2012
3:10 PM
Calendars:
College of Life Science and Agriculture (COLSA),Faculty and Staff Events,Public,Student Events and Programs,Sustainability
Contact:
Jennifer Bourgeault
862-2227
Title Url:http://www.unh.edu/nressphd/seminars/env-sci/2012.html
 Sadie Ryan, Assistant Professor, Department of Environmental and Forest Biology, SUNY ESF

    Infectious disease has recently joined poaching and habitat loss as a major threat to African apes. Both ''naturally'' occurring pathogens, such as Ebola and Simian Immunodeficiency Virus (SIV), and respiratory pathogens transmitted from humans, have been confirmed as important sources of mortality in wild gorillas and chimpanzees. While awareness of the threat has increased, interventions such as vaccination and treatment remain controversial. Here we explore both the risk of disease to African apes, and the status of potential responses. Through synthesis of published data, we summarize prior disease impact on African apes, and then use a simple demographic model to illustrate the resilience of a well-known gorilla population to disease, modeled on prior documented outbreaks. We found that the predicted recovery time for this specific gorilla population from a single outbreak ranged from 5 years for a low mortality (4%) respiratory outbreak, to 131 years for an Ebola outbreak that killed 96% of the population. This shows that mortality rates comparable to those recently reported for disease outbreaks in wild populations are not sustainable. This is particularly troubling given the rising pathogen risk created by increasing habituation of wild apes for tourism, and the growth of human populations surrounding protected areas. We assess potential future disease spillover risk in terms of vaccination rates amongst humans that may come into contact with wild apes, and the availability of vaccines against potentially threatening diseases. We discuss and evaluate non-interventionist responses such as limiting tourist access to apes, community health programs, and safety, logistic, and cost issues that constrain the potential of vaccination.
    (hosted by Joel Hartter)

The Fall Environmental Sciences Seminar Series is sponsored by the NRESS Ph.D. Program, the Earth Systems Research Center (ESRC), the Department of Natural Resources and the Environment, and the Department of Earth Sciences.

These seminars are open to the public and will be held Fridays at 3:10 pm in James Hall G46, unless otherwise noted.

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Download (< 0.01 MB):S_Ryan10.5.12.pdf
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10/5/2012 Fri
3:10 PM Extreme Conservation: The Consequences of Non-Intervention for Infectious Disease in Great ApesJames Hall, Room G46
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