Publication: CH4/CO2 ratios and carbon isotope enrichment between diet and breath in herbivorous mammals
CH4/CO2 ratios and carbon isotope enrichment between diet and breath in herbivorous mammals
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Cerling, T. E., Bernasconi, S. M., Hofstetter, L. S., Jaggi, M., Wyss, F., Rudolf von Rohr, C., & Clauss, M. (2021). CH4/CO2 ratios and carbon isotope enrichment between diet and breath in herbivorous mammals. Frontiers in Ecology and Evolution, 9, 638568. https://doi.org/10.3389/fevo.2021.638568
Abstract
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Abstract
Breath and diet samples were collected from 29 taxa of animals at the Zurich and Basel Zoos to characterize the carbon isotope enrichment between breath and diet. Diet samples were measured for δ13C and breath samples for CH4/CO2 ratios and for the respired component of δ13C using the Keeling plot approach. Different digestive physiologies included coprophagous and non-coprophagous hindgut fermenters, and non-ruminant and ruminant foregut fermenters. Isotope enrichments from diet to breath were 0.8 ± 0.9‰, 3.5 ± 0.8‰, 2.3 ± 0.4‰, and
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- Cerling, Thure E
- Bernasconi, Stefano M
- Hofstetter, Lino S
- Jaggi, Madalina
- Wyss, Fabia
- Rudolf von Rohr, Claudia
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Cerling, T. E., Bernasconi, S. M., Hofstetter, L. S., Jaggi, M., Wyss, F., Rudolf von Rohr, C., & Clauss, M. (2021). CH4/CO2 ratios and carbon isotope enrichment between diet and breath in herbivorous mammals. Frontiers in Ecology and Evolution, 9, 638568. https://doi.org/10.3389/fevo.2021.638568
