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Stable isotope ecology of land snails from a high-latitude site near Fairbanks, interior Alaska, USA

Dates

Year
2015

Citation

Yanes, Yurena, 2015, Stable isotope ecology of land snails from a high-latitude site near Fairbanks, interior Alaska, USA: Quaternary Research, v. 83, no. 3, p. 588-595.

Summary

Land snails have been investigated isotopically in tropical islands and mid-latitude continental settings, while high-latitude locales, where snails grow only during the summer, have been overlooked. This study presents the first isotopic baseline of live snails from Fairbanks, Alaska (64°51′N), a proxy calibration necessary prior to paleoenvironmental inferences using fossils. δ13C values of the shell (− 10.4 ± 0.4‰) and the body (− 25.5 ± 1.0‰) indicate that snails consumed fresh and decayed C3-plants and fungi. A flux-balance mixing model suggests that specimens differed in metabolic rates, which may complicate paleovegetation inferences. Shell δ18O values (− 10.8 ± 0.4‰) were ~ 4‰ higher than local summer rain δ18O. If calcification [...]

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Author :
Yanes, Yurena

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  • Northwest Boreal Landscape Conservation Cooperative

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NWBLCC20160627

Additional Information

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme http://dx.doi.org/10.1016/j.yqres.2015.03.004
ISSN http://sciencebase.gov/vocab/identifierScheme 0033-5894

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