By Heatwole, H. & J. W. Wilkinson (eds.)
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Extra info for Amphibian biology. Volume 8. Amphibian decline: Diseases, parasites, maladies and pollution
Lounero, C. , Hyatt, A. , Hengstberger, S. and Robinson, A. , 1998b. Isolation and characterization of iridoviruses from the giant toad Bufo marinus in Venezuela. Diseases ofAquatic Organisms 33: 1-9. , Hyatt, A. , Whittington, R. J. , 1998a. Diseases of Aquatic Organisms 32: 1-8. CHAPTER 2 Fungal Diseases of Amphibians Lee Ber er, Joyce E. Longcore, Rick Speare, Alex Hyatt and Lee F. S erratt f I. Introduction II. Chytridiomycosis A. Overview of Chytridiomycosis B. Distribution and Prevalence of Chytridiornycosis in Relation to Amphibian Declines 1.
Batrachochytrium dendrobatidis (Amphibian Chytrid) D. Biology 1. Life Cycle 2. Nutrition and Saprobic Growth 3. Temperature Tolerance 4. pH Tolerance 5. Tolerance to Salts 6. Desiccation E. Chytridiomycosis: The Disease 1. Mortality Rates and Incubation Times 2. Clinical Signs 3. Pathology 4. Distribution of Sporangia 5. Chytridiomycosis in Tadpoles F. Epidemiology 1. Seasonality and Thermal Effects 2. Host Range and Effects on Different Species of Amphibians 3. Effect of Chytridiomycosis on Wild Amphibian Populations G.
Tadpoles were abundant during declines in Costa Rica (Lips 1998). Surveys of h g s in southern Mexico in 2000 showed that 31 populations, representing 24 species, had been extirpated and 11 endemic species may have become extinct (Lips et BERGER ET AL: FUNGAL DISEASES OF AMPHIBIANS 2991 al. 2004). Riparian species of Hylidae, Centrolenidae and Eleutherodactylus above 800 m elevation were missing from relatively intact habitats. One dead and one ill frog, both with chytridiomycosis, were collected and 19% of the tadpoles from three regions had abnormal mouthparts suggestive of chytridiornycosis.
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