Cristin-resultat-ID: 1888655
Sist endret: 23. mars 2021, 09:28
NVI-rapporteringsår: 2020
Resultat
Vitenskapelig artikkel
2020

Response of bacterial communities in Barents Sea sediments in case of a potential CO2 leakage from carbon reservoirs

Bidragsytere:
  • Ana Rocío Borrero Santiago
  • Deni Ribicic
  • Estefania Bonnail
  • Roman Netzer
  • Deni Koseto og
  • Murat Van Ardelan

Tidsskrift

Marine Environmental Research
ISSN 0141-1136
e-ISSN 1879-0291
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2020
Volum: 160
Sider: 1 - 10

Importkilder

Scopus-ID: 2-s2.0-85087383385

Beskrivelse Beskrivelse

Tittel

Response of bacterial communities in Barents Sea sediments in case of a potential CO2 leakage from carbon reservoirs

Sammendrag

Carbon capture and storage sites in Barents Sea shelf are currently in progress as part of climate change mitigation activities. However environmental impacts of a possible CO2 seepage on bacterial community are lacking knowledge. This work addressed potential consequences on bacterial communities from Snøvit region in Barents Sea sediments. Long-term experiment (92 days) was carried out mimicking realistic conditions of pressure (∼30 bars) using the unique hyperbaric chamber (Karl Erik TiTank). The experiment was divided in three stages: i) 21 days of no CO2, ii) 50 days of simulation of carbon dioxide leakage (depletion of pH to 7.0) and iii) 14 days emulating a leakage cessation. Results suggested that bacterial communities can adapt to a CO2 leakage in short term. However, bacteria showed negative effects in terms of activity, community structure, and number of cells after long term CO2 exposure. After CO2 leakage cessation, bacterial communities did not show a significant recovery. These findings highlighted that, even though marine bacteria showed adaptation to the new conditions (acidified environment), in case of a small but continuous CO2 leakage marine bacteria might not be recovered upon pre-exposure status.

Bidragsytere

Ana Rocío Borrero Santiago

  • Tilknyttet:
    Forfatter
    ved Institutt for kjemi ved Norges teknisk-naturvitenskapelige universitet

Deni Ribicic

  • Tilknyttet:
    Forfatter
    ved Havbruk ved SINTEF Ocean

Estefania Bonnail

  • Tilknyttet:
    Forfatter
    ved Chile

Roman Netzer

  • Tilknyttet:
    Forfatter
    ved Havbruk ved SINTEF Ocean

Deni Koseto

  • Tilknyttet:
    Forfatter
    ved Bioteknologi og nanomedisin ved SINTEF AS
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