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. 2019 Dec 4;19(12):1490–1504. doi: 10.1089/ast.2018.2004

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© María Ángeles Lezcano et al., 2019; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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FIG. 3. — Carbon and nitrogen composition in the three microbial mats. The plots show (A) TOC (%) and (B) TN (%) contents, and (C) isotopic δ¹³C and (D) δ¹⁵N ratios (‰). Error bars indicate standard deviation of triplicates. TN, total nitrogen; TOC, total organic carbon.