Extreme temperature event and mass mortality of insectivorous bats

A mass mortality event involving Chaerephon plicatus and Taphozous theobaldi bats occurred during a heat wave in April 2016 in Cambodia. This was investigated to clarify the causes of the die-off and assess the risk to public health. Field evidences, clinical signs, and gross pathology findings were consistent with a heat stress hypothesis. However, the detection of a novel bat paramyxovirus raises questions about its role as a contributing factor or a coincidental finding. Systematic documentation of bat die-offs related to extreme weather events is necessary to improve understanding of the effect of changing weather patterns on bat populations and the ecosystem services they provide.

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Bibliographic Details
Main Authors: Pruvot, Mathieu, Cappelle, Julien, Furey, Neil M., Hul, Vibol, Heng, Huy Sreang, Duong, Veasna, Dussart, Philippe, Horwood, Paul
Format: article biblioteca
Language:eng
Subjects:L20 - Écologie animale, P40 - Météorologie et climatologie, L50 - Physiologie et biochimie animales, L73 - Maladies des animaux, Chiroptera, chaleur, événements météorologiques extrêmes, insectivore, mortalité, Enquête pathologique, santé publique, http://aims.fao.org/aos/agrovoc/c_1560, http://aims.fao.org/aos/agrovoc/c_3519, http://aims.fao.org/aos/agrovoc/c_c0860ce1, http://aims.fao.org/aos/agrovoc/c_11795, http://aims.fao.org/aos/agrovoc/c_4945, http://aims.fao.org/aos/agrovoc/c_28665, http://aims.fao.org/aos/agrovoc/c_6349, http://aims.fao.org/aos/agrovoc/c_4073,
Online Access:http://agritrop.cirad.fr/593296/
http://agritrop.cirad.fr/593296/1/Pruvot2019_ExtremeTemperatureEventAndMass.pdf
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Summary:A mass mortality event involving Chaerephon plicatus and Taphozous theobaldi bats occurred during a heat wave in April 2016 in Cambodia. This was investigated to clarify the causes of the die-off and assess the risk to public health. Field evidences, clinical signs, and gross pathology findings were consistent with a heat stress hypothesis. However, the detection of a novel bat paramyxovirus raises questions about its role as a contributing factor or a coincidental finding. Systematic documentation of bat die-offs related to extreme weather events is necessary to improve understanding of the effect of changing weather patterns on bat populations and the ecosystem services they provide.