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Other research product . 2018

Dynamics of nutrients, total organic carbon, prokaryotes and viruses in onboard incubations of cold-water corals

Maier, C.; Kluijver, A.; Agis, M.; Brussaard, C. P. D.; Duyl, F. C.; Weinbauer, M. G.;
Open Access
Published: 27 Sep 2018

The potential influence of the cold-water corals (CWCs) Lophelia pertusa and Madrepora oculata on the dynamics of inorganic nutrient and total organic carbon (TOC) concentrations and the abundances of prokaryotes and viruses in bottom water was assessed in onboard incubation experiments. Ammonium, nitrite, dissolved inorganic nitrogen (DIN), dissolved inorganic phosphorus (DIP) and TOC concentrations and N:P ratios were typically higher in incubation water with corals than in controls, whereas nitrate concentrations did not reveal a clear trend. Mucus release (normalized to coral surface) was estimated by the net increase rate of TOC concentrations and averaged 23 ± 6 mg C m−2 h−1 for L. pertusa and 21 ± 8 mg C m−2 h−1 for M. oculata. Prokaryotic and viral abundance and turnover rates were typically stimulated in incubation water with corals. This estimated prokaryotic stimulation averaged 6.0 ± 3.0 × 109 cells m−2 h−1 for L. pertusa and 8.4 ± 2.9 × 109 cells m−2 h−1 for M. oculata, whereas the estimated viral stimulation averaged 15.6 ± 12.7 × 109 particles m−2 h−1 for L. pertusa and 4.3 ± 0.4 × 109 particles m−2 h−1 M. oculata. Our data suggest that prokaryotes and viruses are released from corals and that nutrient and mucus release enhanced prokaryotic and viral production. The result of this stimulation could be a fuelling of bottom water in CWC reefs with nutrients and organic matter and consequently an enhancement of microbe-mediated processes.

57 references, page 1 of 6

Benner, R. and Strom, M.: A critical evaluation of the analytical blank associated with DOC measurements by high-temperature catalytic oxidation, Mar. Chem., 41, 153-160, 1993.

Brussaard, C. P. D.: Optimization of procedures for counting viruses by flow cytometry, Appl. Environ. Microbiol., 70, 1506- 1513, 2004.

Brussaard, C. P. D., Weinbauer, M. G., Winter, C., and Payet, J.: Quantification of aquatic viruses by flow cytometry, in: Manual of Aquatic Viral Ecology., edited by: Suttle, C., Wilhelm, S. W., and Weinbauer, M. G., p. 102, ASLO, 2010.

Capone, D. G. and Knapp, A. N.: Oceanography: A marine nitrogen cycle fix?, Nature, 445, 159-160, 2007.

Danovaro, R., Bongiorni, L., Corinaldesi, C., Giovannelli, D., Damiani, E., Astolfi, P., Greci, L., and Pusceddu, A.: Sunscreens cause coral bleaching by promoting viral infections, Environmental Health Perspectives, 116, 441-447, 2008. [OpenAIRE]

Davies, A., Duineveld, G. C. A., Lavaleye, M. S. S., Bergman, M., van Hareb, H., and Roberts, J. M.: Downwelling and deep-water bottom currents as food supply mechanisms to the cold-water coral Lophelia pertusa (Scleractinia) at the Mingulay Reef Complex, Limnol. Oceanogr., 52, 620-629, 2009.

Davy, J. E. and Patten, N.: Morphological diversity of virus-like particles within the surface microlayer of scleractinian corals, Aquat. Microb. Ecol., 47, 37-44, 2007.

Davy, S. K., Burchett, S. G., Dale, A. L., Davies, P., Davy, J. E., Muncke, C., Hoegh-Guldberg, O., and Wilson, W. H.: Viruses: agents of coral disease?, Dis. Aquat. Org., 69, 101-110, 2006.

Deutsch, C., Sarmiento, J. L., Sigman, D. M., Gruber, N., and Dunne, J. P.: Spatial coupling of nitrogen inputs and losses in the ocean, Nature, 445, 163-167, 2007.

Dinsdale, E. A., Pantos, O., Smriga, S., Edwards, R. A., Angly, F., Wegley, L., Hatay, M., Hall, D., Brown, E., Haynes, M., Krause, L., Sala, E., Sandin, S. A., Thurber, R. V., Willis, B. L., Azam, F., Knowlton, N., and Rohwer, F.: Microbial ecology of four coral atolls in the Northern Line Islands, PLoS ONE, 3, e1584, 2008. [OpenAIRE]

Funded by
European Project on Ocean Acidification
  • Funder: European Commission (EC)
  • Project Code: 211384
  • Funding stream: FP7 | SP1 | ENV
NWO| BIOdiversity and EcoSYStem Functioning of Deep Water Coral Reefs in the Mediterranean Sea and NE Atlantic (BIOSYS)
  • Funder: Netherlands Organisation for Scientific Research (NWO) (NWO)
  • Project Code: 1900120360
Related to Research communities
European Marine Science Marine Environmental Science : European project on ocean acidification
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