期刊
BIOLOGICAL CONSERVATION
卷 97, 期 3, 页码 331-337出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0006-3207(00)00132-4
关键词
chytridiomycosis; decline; midwife toad; Spain
During the summers of 1997, 1998 and 1999 mass mortality episodes of post-metamorphic common midwife toads (Alytes obstetricans) occurred in a protected area in central Spain. The population suffered a sharp decline, disappearing from 86% of the ponds where they were known to reproduce some years ago. Scanning electron microscopy and histological techniques revealed the presence of a chytridiomycosis infection in the skin of the toads. This evidence supports chytridiomycosis as the most plausible cause of the decline of the species in the area. This is the first report of an apparent chytridium-caused amphibian decline in Europe. (C) 2001 Elsevier Science Ltd. All rights reserved.
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