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Search: hsv:(NATURAL SCIENCES) hsv:(Earth and Related Environmental Sciences) hsv:(Oceanography Hydrology and Water Resources) > Biotic interactions...

  • Broman, Elias,1985-Stockholms universitet,Institutionen för ekologi, miljö och botanik,Stockholms universitets Östersjöcentrum (author)

Biotic interactions between benthic infauna and aerobic methanotrophs mediate methane fluxes from coastal sediments

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • 2024

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/335952
  • https://gup.ub.gu.se/publication/335952URI
  • https://doi.org/10.1093/ismejo/wrae013DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-226207URI

Supplementary language notes

  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Coastal ecosystems dominate oceanic methane (CH4) emissions. However, there is limited knowledge about how biotic interactions between infauna and aerobic methanotrophs (i.e. CH4 oxidizing bacteria) drive the spatial-temporal dynamics of these emissions. Here, we investigated the role of meio- and macrofauna in mediating CH4 sediment-water fluxes and aerobic methanotrophic activity that can oxidize significant portions of CH4. We show that macrofauna increases CH4 fluxes by enhancing vertical solute transport through bioturbation, but this effect is somewhat offset by high meiofauna abundance. The increase in CH4 flux reduces CH4 pore-water availability, resulting in lower abundance and activity of aerobic methanotrophs, an effect that counterbalances the potential stimulation of these bacteria by higher oxygen flux to the sediment via bioturbation. These findings indicate that a larger than previously thought portion of CH4 emissions from coastal ecosystems is due to faunal activity and multiple complex interactions with methanotrophs.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Olsson, Markus,1993-Stockholms universitet,Institutionen för ekologi, miljö och botanik(Swepub:su)maol0634 (author)
  • Maciute, AdeleGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xmacad (author)
  • Donald, Daniel (author)
  • Humborg, Christoph,1963-Stockholms universitet,Stockholms universitets Östersjöcentrum,University of Helsinki, Finland(Swepub:su)christop (author)
  • Norkko, Alf,1967-Stockholms universitet,Stockholms universitets Östersjöcentrum,University of Helsinki, Finland(Swepub:su)alno3757 (author)
  • Jilbert, Tom (author)
  • Bonaglia, Stefano,1983Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xbonst (author)
  • Nascimento, Francisco J. A.,1965-Stockholms universitet,Institutionen för ekologi, miljö och botanik,Stockholms universitets Östersjöcentrum(Swepub:su)fnasc (author)
  • Stockholms universitetInstitutionen för ekologi, miljö och botanik (creator_code:org_t)

Related titles

  • In:The ISME journal18:11751-73701751-7362

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