Fig. 4: Temperature-dependent metabolic transitions revealed through isotopic signatures. | Communications Earth & Environment

Fig. 4: Temperature-dependent metabolic transitions revealed through isotopic signatures.

From: Energetic convergence drives metabolic adaptation in lirima chilean high-altitude hydrothermal system

Fig. 4

a Carbon isotopes (δ13C(VPDB) Corrected) showing progressive depletion with temperature. b Sulfur isotopes (δ34S(VCDT)) displaying transition from more depleted to less depleted values at 63–64 °C. Blue dots represent measurements; light blue lines show statistically significant cubic regressions (p ≤ 0.05).

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