Ghent University Academic Bibliography

Advanced

Individual and interacting effects of pCO2 and temperature on Emiliania huxleyi calcification: study of the calcite production, the coccolith morphology and the coccosphere size

Caroline De Bodt, Nicolas Van Oostende UGent, Jérôme Harlay, Koen Sabbe UGent and Lei Chou (2010) BIOGEOSCIENCES. 7(5). p.1401-1412
abstract
The impact of ocean acidification and increased water temperature on marine ecosystems, in particular those involving calcifying organisms, has been gradually recognised. We examined the individual and combined effects of increased pCO(2) (180 ppmV CO2, 380 ppmV CO2 and 750 ppmV CO2 corresponding to past, present and future CO2 conditions, respectively) and temperature (13 degrees C and 18 degrees C) during the exponential growth phase of the coccolithophore E. huxleyi using batch culture experiments. We showed that cellular production rate of Particulate Organic Carbon (POC) increased from the present to the future CO2 treatments at 13 degrees C. A significant effect of pCO(2) and of temperature on calcification was found, manifesting itself in a lower cellular production rate of Particulate Inorganic Carbon (PIC) as well as a lower PIC:POC ratio at future CO2 levels and at 18 degrees C. Coccosphere-sized particles showed a size reduction with both increasing temperature and CO2 concentration. The influence of the different treatments on coccolith morphology was studied by categorizing SEM coccolith micrographs. The number of well-formed coccoliths decreased with increasing pCO(2) while temperature did not have a significant impact on coccolith morphology. No interacting effects of pCO(2) and temperature were observed on calcite production, coccolith morphology or on coccosphere size. Finally, our results suggest that ocean acidification might have a larger adverse impact on coccolithophorid calcification than surface water warming.
Please use this url to cite or link to this publication:
author
organization
alternative title
Individual and interacting effects of pCO(2) and temperature on Emiliania huxleyi calcification : study of the calcite production, the coccolith morphology and the coccosphere size
year
type
journalArticle (original)
publication status
published
subject
keyword
SEAWATER, GROWTH, CARBON-DIOXIDE, CO2 CONCENTRATION, PARTIAL-PRESSURE, ATMOSPHERIC CO2, SEA-WATER, MARINE PLANKTON, CORAL, PHYTOPLANKTON
journal title
BIOGEOSCIENCES
Biogeosciences
volume
7
issue
5
pages
1401 - 1412
Web of Science type
Article
Web of Science id
000278184500003
JCR category
GEOSCIENCES, MULTIDISCIPLINARY
JCR impact factor
3.587 (2010)
JCR rank
11/163 (2010)
JCR quartile
1 (2010)
ISSN
1726-4170
DOI
10.5194/bg-7-1401-2010
language
English
UGent publication?
yes
classification
A1
copyright statement
I have retained and own the full copyright for this publication
id
1048135
handle
http://hdl.handle.net/1854/LU-1048135
date created
2010-10-01 10:55:17
date last changed
2017-04-27 13:57:19
@article{1048135,
  abstract     = {The impact of ocean acidification and increased water temperature on marine ecosystems, in particular those involving calcifying organisms, has been gradually recognised. We examined the individual and combined effects of increased pCO(2) (180 ppmV CO2, 380 ppmV CO2 and 750 ppmV CO2 corresponding to past, present and future CO2 conditions, respectively) and temperature (13 degrees C and 18 degrees C) during the exponential growth phase of the coccolithophore E. huxleyi using batch culture experiments. We showed that cellular production rate of Particulate Organic Carbon (POC) increased from the present to the future CO2 treatments at 13 degrees C. A significant effect of pCO(2) and of temperature on calcification was found, manifesting itself in a lower cellular production rate of Particulate Inorganic Carbon (PIC) as well as a lower PIC:POC ratio at future CO2 levels and at 18 degrees C. Coccosphere-sized particles showed a size reduction with both increasing temperature and CO2 concentration. The influence of the different treatments on coccolith morphology was studied by categorizing SEM coccolith micrographs. The number of well-formed coccoliths decreased with increasing pCO(2) while temperature did not have a significant impact on coccolith morphology. No interacting effects of pCO(2) and temperature were observed on calcite production, coccolith morphology or on coccosphere size. Finally, our results suggest that ocean acidification might have a larger adverse impact on coccolithophorid calcification than surface water warming.},
  author       = {De Bodt, Caroline and Van Oostende, Nicolas and Harlay, J{\'e}r{\^o}me and Sabbe, Koen and Chou, Lei},
  issn         = {1726-4170},
  journal      = {BIOGEOSCIENCES},
  keyword      = {SEAWATER,GROWTH,CARBON-DIOXIDE,CO2 CONCENTRATION,PARTIAL-PRESSURE,ATMOSPHERIC CO2,SEA-WATER,MARINE PLANKTON,CORAL,PHYTOPLANKTON},
  language     = {eng},
  number       = {5},
  pages        = {1401--1412},
  title        = {Individual and interacting effects of pCO2 and temperature on Emiliania huxleyi calcification: study of the calcite production, the coccolith morphology and the coccosphere size},
  url          = {http://dx.doi.org/10.5194/bg-7-1401-2010},
  volume       = {7},
  year         = {2010},
}

Chicago
De Bodt, Caroline, Nicolas Van Oostende, Jérôme Harlay, Koen Sabbe, and Lei Chou. 2010. “Individual and Interacting Effects of pCO2 and Temperature on Emiliania Huxleyi Calcification: Study of the Calcite Production, the Coccolith Morphology and the Coccosphere Size.” Biogeosciences 7 (5): 1401–1412.
APA
De Bodt, C., Van Oostende, N., Harlay, J., Sabbe, K., & Chou, L. (2010). Individual and interacting effects of pCO2 and temperature on Emiliania huxleyi calcification: study of the calcite production, the coccolith morphology and the coccosphere size. BIOGEOSCIENCES, 7(5), 1401–1412.
Vancouver
1.
De Bodt C, Van Oostende N, Harlay J, Sabbe K, Chou L. Individual and interacting effects of pCO2 and temperature on Emiliania huxleyi calcification: study of the calcite production, the coccolith morphology and the coccosphere size. BIOGEOSCIENCES. 2010;7(5):1401–12.
MLA
De Bodt, Caroline, Nicolas Van Oostende, Jérôme Harlay, et al. “Individual and Interacting Effects of pCO2 and Temperature on Emiliania Huxleyi Calcification: Study of the Calcite Production, the Coccolith Morphology and the Coccosphere Size.” BIOGEOSCIENCES 7.5 (2010): 1401–1412. Print.