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Löscher, Carolin Regina; Mehrtens, Hela (eds.) (2021): SFB754 Nitrogen and carbon fixation and N-cycle gene abundance [dataset editorial publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.926781

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Published: 2021-01-20 • DOI registered: 2021-03-31

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Abstract:
Dinitrogen (N2) and carbon (C) fixation rates were measured on 9 cruises (see Table C17) using shipboard incubation experiments, complemented with nutrient and oxygen manipulations. During cruises M77/3, M77/4 and M80/2, N2 fixation was measured using the bubble addition method following Montoya et al (1996). During M80/2 a novel method based on
360 15N2 gas pre-dissolution, which was developed by Mohr et al. (2010), was tested in parallel to the classic method. An underestimation of N2 fixation rates by the classic method has been observed (Großkopf et al., 2012) and therefore the novel 'pre-dissolution method' was applied during the following cruises (M83/1, M90, M91, M93, M97, M104, M107). Single cell N2 fixation rates to differentiate the contribution of different clades of N2 fixers were measured using a NanoSIMS (Martinez-Perez et al., 2016).
Related to:
Krahmann, Gerd; Arévalo-Martínez, Damian L; Dale, Andy W; Dengler, Marcus; Engel, Anja; Glock, Nicolaas; Grasse, Patricia; Hahn, Johannes; Hauss, Helena; Hopwood, Mark James; Kiko, Rainer; Loginova, Alexandra; Löscher, Carolin Regina; Maßmig, Marie; Roy, A S; Salvatteci, Renato; Sommer, Stefan; Tanhua, Toste; Mehrtens, Hela (2021): Climate-Biogeochemistry Interactions in the Tropical Ocean: Data collection and legacy. Frontiers in Marine Science, https://doi.org/10.3389/fmars.2021.723304
Löscher, Carolin Regina; Fischer, Martin A; Neulinger, Sven C; Fiedler, Björn; Philippi, Miriam; Schütte, Florian; Singh, Ajay Kumar; Hauss, Helena; Karstensen, Johannes; Körtzinger, Arne; Künzel, Sven; Schmitz, Ruth A (2015): Hidden biosphere in an oxygen-deficient Atlantic open-ocean eddy: future implications of ocean deoxygenation on primary production in the eastern tropical North Atlantic. Biogeosciences, 12(24), 7467-7482, https://doi.org/10.5194/bg-12-7467-2015
Further details:
Supplementary Table S17
Project(s):
Climate - Biogeochemistry Interactions in the Tropical Ocean (SFB754)
Funding:
German Research Foundation (DFG), grant/award no. 27542298: Climate - Biogeochemistry Interactions in the Tropical Ocean
Coverage:
Median Latitude: -1.562678 * Median Longitude: -57.551352 * South-bound Latitude: -17.166000 * West-bound Longitude: -85.950000 * North-bound Latitude: 17.400000 * East-bound Longitude: -15.043833
Date/Time Start: 2008-12-28T23:35:00 * Date/Time End: 2013-06-22T07:52:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
10 datasets

Datasets listed in this editorial publication

  1. Löscher, CR (2015): Nitrogen and carbon fixation rates during METEOR cruise M83/1. https://doi.org/10.1594/PANGAEA.843371
  2. Löscher, CR (2015): Nitrous oxide incubations during METEOR cruise M80/2. https://doi.org/10.1594/PANGAEA.843370
  3. Löscher, CR (2016): N2 fixation in eddies of the eastern tropical South Pacific Ocean. https://doi.org/10.1594/PANGAEA.860733
  4. Löscher, CR (2018): Nitrogen and carbon fixation rates during METEOR cruise M93. https://doi.org/10.1594/PANGAEA.884928
  5. Löscher, CR; Großkopf, T; Desai, F et al. (2014): Bacterial nitrogen fixation abundance of METEOR cruise M77/3. https://doi.org/10.1594/PANGAEA.833789
  6. Löscher, CR; Großkopf, T; Desai, F et al. (2014): Bacterial nitrogen fixation abundance of METEOR cruise M77/4. https://doi.org/10.1594/PANGAEA.833790
  7. Löscher, CR; Großkopf, T; Desai, F et al. (2014): Nitrogen cycle gene abundance of METEOR cruise M77/3. https://doi.org/10.1594/PANGAEA.833788
  8. Löscher, CR; Großkopf, T; Desai, F et al. (2014): Nitrogen fixation and nitrogen gene abundance of METEOR cruises M77/3 and M77/4. https://doi.org/10.1594/PANGAEA.833791
  9. Singh, A (2017): Nitrogen fixation and carbon uptake rates during METEOR cruise M97. https://doi.org/10.1594/PANGAEA.883657
  10. Teuber, L; Kiko, R; Séguin, F et al. (2013): Respiration rates of tropical Atlantic copepods from the Cape Verde Islands. https://doi.org/10.1594/PANGAEA.816158