A review of factors affecting cave climates for hibernating bats in temperate North America
- Permanent Link:
- A review of factors affecting cave climates for hibernating bats in temperate North America
- Series Title:
- Environmental Reviews
- Perry, Roger W.
- Canadian Science Publishing
- Publication Date:
- Subjects / Keywords:
- Bats ( local )
Caves ( local )
Hibernacula ( local )
Humidity ( local )
Microclimate ( local )
Mines ( local )
Temperature ( local )
White-Nose Syndrome ( local )
- serial ( sobekcm )
- The fungal pathogen Geomyces destructans, which causes white-nose syndrome in bats, thrives in the cold and moist conditions found in caves where bats hibernate. To aid managers and researchers address this disease, an updated and accessible review of cave hibernacula and cave microclimates is presented. To maximize energy savings and reduce evaporative water loss during winter, most temperate vespertilionid bats in North America select caves with temperatures between 2 and 10 °C, with 60%â€“100% relative humidity. Generally, the temperature in caves is similar to the mean annual surface temperature (MAST) of a region, which varies by latitude, altitude, and topography. However, MAST for most areas where caves are found in eastern North America is well above 10 °C. Thus, various factors cause cold-air infiltration that reduces temperatures of these caves during winter. These factors include depth of cave, topographic setting, airflow patterns, cave configuration, and water infiltration. Factors affecting humidity, condensation, and evaporation are also addressed. In areas where MAST is above or below the thermal requirements of Geomyces destructans, many caves used by bats as hibernacula may still provide favorable sites for optimal growth of this fungus.
- Original Version:
- Environmental Reviews, Vol. 21, no. 1 (2012-12-19).
- Source Institution:
- University of South Florida Library
- Holding Location:
- University of South Florida
- Rights Management:
- This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.
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