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Search: (hsv:(NATURVETENSKAP) hsv:(Ekologi)) > (2020-2025) > Habitat diversity a...

  • Wittorf, LeaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Department of Forest Mycology and Plant Pathology (author)

Habitat diversity and type govern potential nitrogen loss by denitrification in coastal sediments and differences in ecosystem-level diversities of disparate N2O reducing communities

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-07-14
  • Oxford University Press (OUP),2020

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/298128
  • https://gup.ub.gu.se/publication/298128URI
  • https://doi.org/10.1093/femsec/fiaa091DOI
  • https://res.slu.se/id/publ/108295URI

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  • Language:English

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

Notes

  • © 2020 Oxford University Press. All rights reserved. In coastal sediments, excess nitrogen is removed primarily by denitrification. However, losses in habitat diversity may reduce the functional diversity of microbial communities that drive this important filter function. We examined how habitat type and habitat diversity affects denitrification and the abundance and diversity of denitrifying and N2O reducing communities in illuminated shallow-water sediments. In a mesocosm experiment, cores from four habitats were incubated in different combinations, representing ecosystems with different habitat diversities. We hypothesized that habitat diversity promotes the diversity of N2O reducing communities and genetic potential for denitrification, thereby influencing denitrification rates. We also hypothesized that this will depend on the identity of the habitats. Habitat diversity positively affected ecosystem-level diversity of clade II N2O reducing communities, however neither clade I nosZ communities nor denitrification activity were affected. The composition of N2O reducing communities was determined by habitat type, and functional gene abundances indicated that silty mud and sandy sediments had higher genetic potentials for denitrification and N2O reduction than cyanobacterial mat and Ruppia maritima meadow sediments. These results indicate that loss of habitat diversity and specific habitats could have negative impacts on denitrification and N2O reduction, which underpin the capacity for nitrogen removal in coastal ecosystems.

Subject headings and genre

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

  • Roger, FabianGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xfabro (author)
  • Alsterberg, Christian,1982Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xalsch (author)
  • Gamfeldt, Lars,1975Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xgamla (author)
  • Hulth, Stefan,1965Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xhulst (author)
  • Sundbäck, Kristina,1949Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xsukri (author)
  • Jones, ChristopherSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Department of Forest Mycology and Plant Pathology(Swepub:slu)48349 (author)
  • Hallin, SaraSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Department of Forest Mycology and Plant Pathology(Swepub:slu)48245 (author)
  • Sveriges lantbruksuniversitetDepartment of Forest Mycology and Plant Pathology (creator_code:org_t)
  • Sveriges lantbruksuniversitet

Related titles

  • In:FEMS Microbiology Ecology: Oxford University Press (OUP)96:90168-64961574-6941

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