Effects of CO2 on benthic biota: An in situ benthic chamber experiment in Storfjorden (Norway)
| Autor: | Michimasa Magi, Jun Kita, Martin Krüger, P. Coombs, Hiroshi Ishida, Lars Golmen, John Arthur Berge, Tastuo Fukuhara, Julia M. West |
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| Rok vydání: | 2013 |
| Předmět: |
0106 biological sciences
In situ Carbon Sequestration Geologic Sediments 010504 meteorology & atmospheric sciences Aquatic Science Oceanography 01 natural sciences Deep sea Co2 leakage Animals Ecosystem 14. Life underwater Environmental Restoration and Remediation 0105 earth and related environmental sciences Hydrology Chamber experiment Norway 010604 marine biology & hydrobiology Sediment Biota Carbon Dioxide Invertebrates Pollution 6. Clean water 13. Climate action Benthic zone Environmental chemistry Environmental science Water Pollutants Chemical |
| Zdroj: | Marine Pollution Bulletin |
| ISSN: | 0025-326X |
| DOI: | 10.1016/j.marpolbul.2013.02.009 |
| Popis: | Carbon capture and storage (CCS) methods, either sub-seabed or in ocean depths, introduces risk of CO2 leakage and subsequent interaction with the ecosystem. It is therefore important to obtain information on possible effects of CO2. In situ CO2 exposure experiments were carried out twice for 10 days during 2005 using a Benthic Chamber system at 400 m depth in Storfjorden, Norway. pCO2 in the water above the sediment in the chambers was controlled at approximately 500, 5000 and 20,000 μatm, respectively. This article describes the experiment and the results from measured the biological responses within the chamber sediments. The results show effects of elevated CO2 concentrations on biological processes such as increased nanobenthos density. Methane production and sulphate reduction was enhanced in the approximately 5000 μatm chamber. |
| Databáze: | OpenAIRE |
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