Differing responses of the estuarine bivalve Limecola balthica to lowered water pH caused by potential CO2 leaks from a sub-seabed storage site in the Baltic Sea: an experimental study

Adam Sokołowski , Dominika Brulińska , Zuzanna Mirny , Dorota Burska , Dorota Pryputniewicz-Flis

Abstract

Sub-Seabed CCS is regarded as a key technology for the reduction of CO2 emissions, but little is known about the mechanisms through which leakages from storage sites impact benthic species. In this study, the biological responses of the infaunal bivalve Limecola balthica to CO2-induced seawater acidification (pH 7.7, 7.0, and 6.3) were quantified in 56-day mesocosm experiments. Increased water acidity caused changes in behavioral and physiological traits, but even the most acidic conditions did not prove to be fatal. In response to hypercapnia, the bivalves approached the sediment surface and increased respiration rates. Lower seawater pH reduced shell weight and growth, while it simultaneously increased soft tissue weight; this places L. balthica in a somewhat unique position among marine invertebrates.
Author Adam Sokołowski (FOG / IO / DMEF)
Adam Sokołowski,,
- Division of Marine Ecosystems Functioning
, Dominika Brulińska (FOG / IO / DMEF)
Dominika Brulińska,,
- Division of Marine Ecosystems Functioning
, Zuzanna Mirny
Zuzanna Mirny,,
-
, Dorota Burska (FOG / IO / DMChEP)
Dorota Burska,,
- Division of Marine Chemistry and Environmental Protection
, Dorota Pryputniewicz-Flis (FOG / IO / DMChEP)
Dorota Pryputniewicz-Flis,,
- Division of Marine Chemistry and Environmental Protection
Journal seriesMarine Pollution Bulletin, ISSN 0025-326X, (A 40 pkt)
Issue year2018
Vol127
Pages761-773
Publication size in sheets0.6
Keywords in EnglishCCS, CO2 leakage, biological impact, Limecola balthica, Southern Baltic Sea
DOIDOI:10.1016/j.marpolbul.2017.09.037
URL https://doi.org/10.1016/j.marpolbul.2017.09.037
Languageen angielski
Score (nominal)40
ScoreMinisterial score = 40.0, ArticleFromJournal
Ministerial score (2013-2016) = 40.0, ArticleFromJournal
Publication indicators WoS Impact Factor: 2017 = 3.241 (2) - 2017=3.767 (5); WoS Citations = 5
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