Chytridiomycosis and amphibian population declines continue to spread eastward in Panama
Woodhams, Douglas C., Kilburn, Vanessa L., Reinert, Laura K., Voyles, Jamie, Medina, Daniel, Ibáñez, Roberto, Hyatt, Alex D., Boyle, Donna G., Pask, James D., Green, David M., and Rollins-Smith, Louise A. (2008) Chytridiomycosis and amphibian population declines continue to spread eastward in Panama. EcoHealth, 5 (3). pp. 268-274.
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Chytridiomycosis is a globally emerging disease of amphibians and the leading cause of population declines and extirpations at species-diverse montane sites in Central America. We continued long-term monitoring efforts for the presence of the fungal pathogen Batrachochytrium dendrobatidis (Bd) and for amphibian populations at two sites in western Panama, and we began monitoring at three new sites to the east. Population declines associated with chytridiomycosis emergence were detected at Altos de Campana National Park. We also detected Bd in three species east of the Panama Canal at Soberanía National Park, and prevalence data suggests that Bd may be enzootic in the lowlands of the park. However, no infected frogs were found further east at Tortí (prevalence <7.5% with 95% confidence). Our results suggest that Panama's diverse and not fully described amphibian communities east of the canal are at risk. Precise predictions of future disease emergence events are not possible until factors underlying disease emergence, such as dispersal, are understood. However, if the fungal pathogen spreads in a pattern consistent with previous disease events in Panama, then detection of Bd at Tortí and other areas east of the Panama Canal is imminent. Therefore, development of new management strategies and increased precautions for tourism, recreation, and biology are urgently needed.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||amphibian; Batrachochytrium dendrobatidis; chytridiomycosis; emerging disease; Panama; population declines|
|FoR Codes:||06 BIOLOGICAL SCIENCES > 0602 Ecology > 060204 Freshwater Ecology @ 34%|
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070799 Veterinary Sciences not elsewhere classified @ 33%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070704 Veterinary Epidemiology @ 33%
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920109 Infectious Diseases @ 50%|
96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960405 Control of Pests, Diseases and Exotic Species at Regional or Larger Scales @ 50%
|Deposited On:||20 Jan 2012 14:33|
|Last Modified:||08 May 2013 01:42|
Last 12 Months: 0
|Citation Counts with External Providers:||Web of Science: 14|
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