Journal
MARINE POLLUTION BULLETIN
Volume 73, Issue 2, Pages 428-434Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2013.02.010
Keywords
Carbon capture; Centropages; Ocean acidification; Reproduction; Temora
Funding
- Norwegian Fram Centre Flagship for Ocean Acidification
- NERC [pml010009, pml010004] Funding Source: UKRI
- Natural Environment Research Council [pml010009, pml010004] Funding Source: researchfish
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Some planktonic groups suffer negative effects from ocean acidification (OA), although copepods might be less sensitive. We investigated the effect of predicted CO2 levels (range 480-750 ppm), on egg production and hatching success of two copepod species, Centropages typicus and Temora longicornis. In these short-term incubations there was no significant effect of high CO2 on these parameters. Additionally a very high CO2 treatment, (CO2 = 9830 ppm), representative of carbon capture and storage scenarios, resulted in a reduction of egg production rate and hatching success of C. typicus, but not T. longicornis. In conclusion, reproduction of C. typicus was more sensitive to acute elevated seawater CO2 than that of T. longicornis, but neither species was affected by exposure to CO2 levels predicted for the year 2100. The duration and seasonal timing of exposures to high pCO(2), however, might have a significant effect on the reproduction success of calanoid copepods. (c) 2013 Elsevier Ltd. All rights reserved.
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