Nitrogen and carbon isotope study of bat guano core from Eagle Creek Cave, Arizona, U.S.A.

Citation

Material Information

Title:
Nitrogen and carbon isotope study of bat guano core from Eagle Creek Cave, Arizona, U.S.A.
Series Title:
Journal of the Mass Spectrometry Society of Japan
Creator:
Mizutani, Hiroshi
McFarlane, Donald A.
Kabaya, Yuko
Publisher:
Mass Spectrometry Society of Japan
Publication Date:
Physical Description:
1 online resource

Subjects

Subjects / Keywords:
Caves -- Arizona ( lcsh )
Guano ( lcsh )
Free-tailed bats ( lcsh )
Genre:
serial ( sobekcm )

Notes

Abstract:
Nitrogen and carbon isotope ratios were studied in a stratified deposit of guano of Mexican Free-tailed bats in Eagle Creek Cave, Arizona, U.S.A. Little diagenetic change was observed over the 25-year time span of the guano deposit. High aridity and reduced circulation of air in the cave are hypothesized to have slowed the normally rapid decomposition of the excreta and the subsequent escape of resultant ammonia. The results suggest the high dependency of the speed of diagenetic change on specific physical and other conditions of the caves and indicate that great care need be exercised in the interpretation of the isotopic ecogeochemistry of old guano. Relative contribution of C3 photosynthesis to the food chain leading to the bats was estimated to be more than C4 photosynthesis.
Original Version:
Volume 40, Issue 1

Record Information

Source Institution:
University of South Florida
Holding Location:
University of South Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
K26-05383 ( USFLDC DOI )
k26.5383 ( USFLDC Handle )

USFLDC Membership

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serial

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