The impact of anthropogenic perturbations on open ocean carbon transformation, export and sequestration
The impact of anthropogenic perturbations on open ocean carbon transformation, export and sequestration
Editor(s): C. Robinson, F. Azam, N. Jiao, H. Thomas, and G. Herndl
Anthropogenic impacts such as elevated pCO2 and eutrophication threaten the structure and functioning of marine ecosystems as well as the role of the ocean in the global carbon cycle. While sinking-particle-based carbon sequestration (the biological pump; BP) has been extensively studied, the biogeochemical behaviour of dissolved organic matter (DOM) and its role in carbon sequestration (the microbial carbon pump, MCP) is largely unexplored. The BP and the MCP operate simultaneously and interactively, but their responses to environmental conditions may be regulated differently. These regulatory mechanisms have not been examined, and it is not known whether the BP and the MCP would interact to enhance or reduce their individual effects.

This special issue will bring together articles arising from discussions undertaken at IMBIZO III held in Goa in January 2013. Topics to be investigated include the organisms and microbial processes which produce and transform dissolved organic carbon in the ocean, organisms and processes which influence the interaction between the BP and the MCP, and the impact of anthropogenic perturbations such as nutrient addition and ocean acidification on oceanic carbon transformation, export and sequestration.

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01 Oct 2014
| Overview paper
Mechanisms of microbial carbon sequestration in the ocean – future research directions
N. Jiao, C. Robinson, F. Azam, H. Thomas, F. Baltar, H. Dang, N. J. Hardman-Mountford, M. Johnson, D. L. Kirchman, B. P. Koch, L. Legendre, C. Li, J. Liu, T. Luo, Y.-W. Luo, A. Mitra, A. Romanou, K. Tang, X. Wang, C. Zhang, and R. Zhang
Biogeosciences, 11, 5285–5306, https://doi.org/10.5194/bg-11-5285-2014,https://doi.org/10.5194/bg-11-5285-2014, 2014
10 Oct 2014
Corrigendum to "Mechanisms of microbial carbon sequestration in the ocean – future research directions" published in Biogeosciences, 11, 5285–5306, 2014
N. Jiao, C. Robinson, F. Azam, H. Thomas, F. Baltar, H. Dang, N. J. Hardman-Mountford, M. Johnson, D. L. Kirchman, B. P. Koch, L. Legendre, C. Li, J. Liu, T. Luo, Y.-W. Luo, A. Mitra, A. Romanou, K. Tang, X. Wang, C. Zhang, and R. Zhang
Biogeosciences, 11, 5565–5565, https://doi.org/10.5194/bg-11-5565-2014,https://doi.org/10.5194/bg-11-5565-2014, 2014
23 Sep 2014
An experimental study on the effects of nutrient enrichment on organic carbon persistence in the western Pacific oligotrophic gyre
J. Liu, N. Jiao, and K. Tang
Biogeosciences, 11, 5115–5122, https://doi.org/10.5194/bg-11-5115-2014,https://doi.org/10.5194/bg-11-5115-2014, 2014
11 Aug 2014
Molecular insights into the microbial formation of marine dissolved organic matter: recalcitrant or labile?
B. P. Koch, G. Kattner, M. Witt, and U. Passow
Biogeosciences, 11, 4173–4190, https://doi.org/10.5194/bg-11-4173-2014,https://doi.org/10.5194/bg-11-4173-2014, 2014
24 Jul 2014
Perspectives on the microbial carbon pump with special reference to microbial respiration and ecosystem efficiency in large estuarine systems
H. Dang and N. Jiao
Biogeosciences, 11, 3887–3898, https://doi.org/10.5194/bg-11-3887-2014,https://doi.org/10.5194/bg-11-3887-2014, 2014
13 May 2014
Lytic viral infection of bacterioplankton in deep waters of the western Pacific Ocean
Y. Li, T. Luo, J. Sun, L. Cai, Y. Liang, N. Jiao, and R. Zhang
Biogeosciences, 11, 2531–2542, https://doi.org/10.5194/bg-11-2531-2014,https://doi.org/10.5194/bg-11-2531-2014, 2014
06 May 2014
Revisiting the CO2 "source" problem in upwelling areas – a comparative study on eddy upwellings in the South China Sea
N. Jiao, Y. Zhang, K. Zhou, Q. Li, M. Dai, J. Liu, J. Guo, and B. Huang
Biogeosciences, 11, 2465–2475, https://doi.org/10.5194/bg-11-2465-2014,https://doi.org/10.5194/bg-11-2465-2014, 2014
29 Apr 2014
Presence of Prochlorococcus in the aphotic waters of the western Pacific Ocean
N. Jiao, T. Luo, R. Zhang, W. Yan, Y. Lin, Z. I. Johnson, J. Tian, D. Yuan, Q. Yang, Q. Zheng, J. Sun, D. Hu, and P. Wang
Biogeosciences, 11, 2391–2400, https://doi.org/10.5194/bg-11-2391-2014,https://doi.org/10.5194/bg-11-2391-2014, 2014
16 Apr 2014
Diversity and distribution of amoA-type nitrifying and nirS-type denitrifying microbial communities in the Yangtze River estuary
Y. Zhang, X. Xie, N. Jiao, S. S.-Y. Hsiao, and S.-J. Kao
Biogeosciences, 11, 2131–2145, https://doi.org/10.5194/bg-11-2131-2014,https://doi.org/10.5194/bg-11-2131-2014, 2014
26 Feb 2014
Natural ocean carbon cycle sensitivity to parameterizations of the recycling in a climate model
A. Romanou, J. Romanski, and W. W. Gregg
Biogeosciences, 11, 1137–1154, https://doi.org/10.5194/bg-11-1137-2014,https://doi.org/10.5194/bg-11-1137-2014, 2014
20 Feb 2014
The role of mixotrophic protists in the biological carbon pump
A. Mitra, K. J. Flynn, J. M. Burkholder, T. Berge, A. Calbet, J. A. Raven, E. Granéli, P. M. Glibert, P. J. Hansen, D. K. Stoecker, F. Thingstad, U. Tillmann, S. Våge, S. Wilken, and M. V. Zubkov
Biogeosciences, 11, 995–1005, https://doi.org/10.5194/bg-11-995-2014,https://doi.org/10.5194/bg-11-995-2014, 2014
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