ArticleEnvironmental science & technology2024
Sulfide Toxicity as Key Control on Anaerobic Oxidation of Methane in Eutrophic Coastal Sediments.
Article in Environmental science & technology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Carbon monoxide metabolism in freshwater anaerobic methanotrophic archaea.Nature communications · 2026Article
- Potential for Manganese Oxide Driven Anaerobic Methane Oxidation in Sediments of a Seasonally Euxinic Coastal Basin.Estuaries and coasts : journal of the Estuarine Research Federation · 2026Article
- Long-Term Euxinia Restricts Microbial Methane Removal in Eutrophic Coastal Basins.Environmental science & technology · 2025Article
- A ubiquitous and diverse methanogenic community drives microbial methane cycling in eutrophic coastal sediments.FEMS microbiology ecology · 2025Article
- Physiological Stress Response to Sulfide Exposure of Freshwater Anaerobic Methanotrophic Archaea.Environmental science & technology · 2025Article
- Contrasting Methane, Sulfide and Nitrogen-Loading Regimes in Bioreactors Shape Microbial Communities Originating From Methane-Rich Coastal Sediment of the Stockholm Archipelago.Environmental microbiology · 2025Article
- Distribution of methane-cycling archaea in buried ridge flank sediment: community zonation, activity, and potential environmental drivers.Frontiers in microbiology · 2025Article
- Eutrophication and Deoxygenation Drive High Methane Emissions from a Brackish Coastal System.Environmental science & technology · 2024Article
- Gene-Based Modeling of Methane Oxidation in Coastal Sediments: Constraints on the Efficiency of the Microbial Methane Filter.Environmental science & technology · 2023Article
- Microbial communities and their roles in the Cenozoic sulfurous oil reservoirs in the Southwestern Qaidam Basin, Western China.Scientific reports · 2023Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Coastal zones account for 75% of marine methane emissions, despite covering only 15% of the ocean surface area. In these ecosystems, the tight balance between methane production and oxidation in sediments prevents most methane from escaping into seawater. However, anthropogenic activities could disrupt this balance, leading to an increased methane escape from coastal sediments. To quantify and unravel potential mechanisms underlying this disruption, we used a suite of biogeochemical and microbiological analyses to investigate the impact of anthropogenically induced redox shifts on methane cycling in sediments from three sites with contrasting bottom water redox conditions (oxic-hypoxic-euxinic) in the eutrophic Stockholm Archipelago. Our results indicate that the methane production potential increased under hypoxia and euxinia, while anaerobic oxidation of methane was disrupted under euxinia. Experimental, genomic, and biogeochemical data suggest that the virtual disappearance of methane-oxidizing archaea at the euxinic site occurred due to sulfide toxicity. This could explain a near 7-fold increase in the extent of escape of benthic methane at the euxinic site relative to the hypoxic one. In conclusion, these insights reveal how the development of euxinia could disrupt the coastal methane biofilter, potentially leading to increased methane emissions from coastal zones.
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