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August 5, 2026Carbon ResearchOpen Access

Microbial inorganic carbon fixation characteristics in the largest saline lake of China during the ice-covered period

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Authors

YHYixuan HanFSFangzhong ShiXLXin Liu

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Overview

Randomized trial quantifies microbial carbon fixation rates in Qinghai Lake, highlighting ecosystem dynamics during climate change.

Key Points

  • This research aims to quantify microbial inorganic carbon fixation rates in Qinghai Lake during ice-covered conditions.
  • Utilized a 13 C-bicarbonate labelling approach for carbon uptake measurements.
  • Conducted geochemical and microbial analyses throughout the water column.
  • Assessed both dark-dependent and light-dependent carbon fixation rates.
  • Dark-dependent carbon fixation (DCF) ranged from 2.82 to 9.21 µg C/(L·h), dominating the uptake rates.
  • Light-dependent carbon fixation (LCF) ranged from 1.14 to 4.37 µg C/(L·h), showing distinct depth-related patterns.
  • DCF correlated with specific microbial genera, including Nannochloropsis and Bacteroides, illustrating the ecological links.

Cite This Study

Han et al. (2026) studied this question.

synapsesocial.com/papers/6a72e79c226790f370656e8ahttps://doi.org/10.1007/s44246-026-00291-3
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