Bat guano isotope systems (δ13C, δ15N, and δ2H) integrate environmental, climatic, and ecological signals

Tsalickis, Alexandra; Waters, Matthew N.; Campbell, Joshua W.; Vachula, Richard S.

doi:10.1016/j.quascirev.2024.108711

Quaternary Science Reviews

2024

DOI: 10.1016/j.quascirev.2024.108711

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Bat guano isotope systems (δ13C, δ15N, and δ2H) integrate environmental, climatic, and ecological signals

Alexandra Tsalickis,

Matthew N. Waters,

Joshua W. Campbell

et al.

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Fire in Feces: Bats Reliably Record Fire History in Their Guano

Tsalickis,

Vachula,

Welch

et al. 2024

Geophysical Research Letters

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New approaches are needed to resolve persistent geographic gaps and biases in paleofire research. Most sedimentary paleofire research relies on lake and peat sediments. We present an unconventional sedimentary charcoal record preserved in a modern, post‐bomb bat guano deposit and compare its accumulation to historical fire data. We find strong correlations between charcoal accumulation rates (CHAR) and non‐winter prescribed burns. CHAR in bat guano is more strongly correlated with prescribed fire than wildfire or total area burned, likely due to bats seeking out areas burned by prescribed fire for better foraging opportunities and/or bats avoiding wildfire. We attribute the CHAR in guano being a better recorder of area burned during non‐winter months to winter bat hibernation. Our analyses show that charcoal preserved in bat guano is a reliable paleofire proxy system, which has important implications for the paleofire field and encourages future research using bat guano as a viable archive.

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Fire in Feces: Bats Reliably Record Fire History in Their Guano

Tsalickis,

Vachula,

Welch

et al. 2024

Geophysical Research Letters

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show abstract

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Bat guano isotope systems (δ13C, δ15N, and δ2H) integrate environmental, climatic, and ecological signals

Cited by 1 publication

References 88 publications

Fire in Feces: Bats Reliably Record Fire History in Their Guano

Fire in Feces: Bats Reliably Record Fire History in Their Guano

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