Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 24, Issue 1, Pages 765-781Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-016-7863-y
Keywords
Carbon dioxide capture and storage (CCS); Ocean acidification (OA); Climate change; Metal bioavailability; Marine mussel; Early life stages
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Funding
- Erasmus Mundus Programme
- Sao Paulo Research Foundation (FAPESP) [2014/22273-1]
- Brazilian National Council for Scientific and Technological Development (CNPq PQ) [305869/2013-2]
- Coordination for the Improvement of Higher Education Personnel (CAPES-CNPq) within science without borders program
- Brazilian Government as the part of the project: CAPES (CNPq) [PVE 126/2012, 402921/2012-7]
- Spanish Ministry of Economy and Competitiveness [CTM2012-36476-C02-01-02]
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The study assesses the effects of carbon dioxide capture and storage (CCS) leaks and ocean acidification (OA) on the metal bioavailability and reproduction of the mytilid Perna perna. In laboratory-scale experiments, CCS leakage scenarios (pH 7.0, 6.5, 6.0) and one OA (pH 7.6) scenario were tested using metal-contaminated sediment elutriates and seawater from Santos Bay. The OA treatment did not have an effect on fertilisation, while significant effects were observed in larval-development bioassays where only 16 to 27 % of larva developed normally. In treatments that simulated CO2 leaks, when compared with control, fertilisation success gradually decreased and no larva developed to the D-shaped stage. A fall in pH increased the bioavailability of metals to marine mussels. Larva shell size was significantly affected by both elutriates when compared with seawater; moreover, a significant difference occurred at pH 6.5 between elutriates in the fertilisation bioassay.
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