Summary
Natural abundances of oxygen-18, carbon-14, carbon-13 and deuterium were measured inStylites andicola, a terrestrial vascular plant lacking stomates, and two terrestrial plant species having stomates that grew nearby. No substantial differences in oxygen-18 and carbon-13 abundances were observed among the three species. The deuterium concentration inStylites was much higher than in the other species, confirming a previous report of CAM inStylites. Stylites was depleted in carbon-14 relative to the present day atmosphere, consistent with the proposal that it fixes CO2 derived from decomposing peat.
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Sternberg, L.d.S.L., Deniro, M.J., McJunkin, D. et al. Carbon, oxygen and hydrogen isotope abundances inStylites reflect its unique physiology. Oecologia 67, 598–600 (1985). https://doi.org/10.1007/BF00790035
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DOI: https://doi.org/10.1007/BF00790035