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May 18, 2026Water Biology and SecurityOpen Access

Bacillus-Chlorella consortium improves water quality and reduces GHG emissions from aquaculture

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Authors

YLYanfeng LiZWZhe WangNZNannan Zhou

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Overview

Randomized trial demonstrates improved water quality and reduced GHG emissions in aquaculture, suggesting a simple intervention.

Key Points

  • This research investigates the impact of Bacillus spp., Chlorella pyrenoidosa, and their consortium on aquaculture water quality and GHG emissions.
  • Four aquaculture ponds were treated with a control and varying levels of Bacillus and Chlorella for five days.
  • Water quality, GHG emissions, and microbial diversity were measured after treatment.
  • Effects on ammonium and total nitrogen removal rates were evaluated compared to control.
  • The Bacillus-Chlorella consortium achieved high removal rates of ammonium (up to 61.96%) and total nitrogen compared to control.
  • CO2 and CH4 emissions were significantly reduced with the consortium, showing effective mitigation of greenhouse gases.
  • Changes in microbial diversity positively influenced nitrogen cycling processes, enhancing denitrification.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a0aabf55ba8ef6d83b6f89bhttps://doi.org/10.1016/j.watbs.2026.100641
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