The global distribution and climate resilience of marine heterotrophic prokaryotes

• Main Authors: Heneghan, Ryan F., Holloway-Brown, Jacinta, Gasol, Josep M., Herndl, Gerhard J., Morán, Xosé Anxelu G., Galbraith, Eric D.
• Other Authors: Agencia Estatal de Investigación (España), Consejo Superior de Investigaciones Científicas https://ror.org/02gfc7t72
• Format: Article in Journal/Newspaper
• Language: English
• Published: Nature Publishing Group 2024
• Subjects: Conserve and sustainably use the oceans; seas and marine resources for sustainable development; Arctic; Climate change
• Online Access: http://hdl.handle.net/10261/369115; https://doi.org/10.1038/s41467-024-50635-z; https://doi.org/10.13039/501100011033

11 pages, 4 figures, supplementary information https://doi.org/10.1038/s41467-024-50635-z.-- Data availability: Raw prokaryotic abundance, cell carbon, specific-production rates and growth efficiency data used in this study are available here: https://doi.org/10.5281/zenodo.12741063. Heterotrophic bacterial and archaeal abundance were obtained from three published studies9,26,27, while cell-specific carbon data (previously unpublished) were obtained from the Malaspina-2010 expedition28. Specific-production rate data were compiled from the Malaspina-201028 (previously unpublished in the form used here, but can be derived from data published in ref. 39), Hotmix87 (previously unpublished) and Latitud51 expeditions, the Blanes Bay Microbial Observatory (previously unpublished; http://bbmo.icm.csic.es/) and the Western Arctic and Ross Sea50. Finally, prokaryotic growth efficiency data were compiled and published previously by Carol Robinson34. Global, depth-resolved predictions of prokaryotic abundance, cell carbon, biomass and metabolic activity generated in this study are available here: https://doi.org/10.5281/zenodo.12541052. Environmental data used to generate these predictions were obtained from World Ocean Atlas 2018 and MODIS-Aqua (for chlorophyll a only), and is also available here: https://doi.org/10.5281/zenodo.12741063. For the climate change projections, environmental inputs were sourced from four climate models from CMIP6 (Methods). Climate model data are available from the Earth System Grid Federation here: https://esgf-data.dkrz.de/projects/esgf-dkrz/). Source data are provided with this paper.-- Code availability: The code used to conduct all analyses in this study is available at https://doi.org/10.5281/zenodo.12741078 (ref. 88) Heterotrophic Bacteria and Archaea (prokaryotes) are a major component of marine food webs and global biogeochemical cycles. Yet, there is limited understanding about how prokaryotes vary across global environmental gradients, and how their global abundance and metabolic ...