Relationship Between Carbon- and Oxygen-Based Primary Productivity in the Arctic Ocean, Svalbard Archipelago.
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Cape, Mattias R.
Duarte, Carlos M.
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Phytoplankton contribute half of the primary production (PP) in the biosphere and are the major source of energy for the Arctic Ocean ecosystem. While PP measurements are therefore fundamental to our understanding of marine biogeochemical cycling, the extent to which current methods provide a definitive estimate of this process remains uncertain given differences in their underlying approaches, and assumptions. This is especially the case in the Arctic Ocean, a region of the planet undergoing rapid evolution as a result of climate change, yet where PP measurements are sparse. In this study, we compared three common methods for estimating PP in the European Arctic Ocean: (1) production of O-18-labeled oxygen (GPP-O-18), (2) changes in dissolved oxygen (GPP-DO), and (3) incorporation rates of C-14-labeled carbon into particulate organic carbon (C-14-POC) and into total organic carbon (C-14-TOC, the sum of dissolved and particulate organic carbon). Results show that PP rates derived using.....
JournalFrontiers In Marine Science
Sustainable Development Goals (SDG)14.a
Maturity LevelPilot or Demonstrated
Spatial CoverageArctic Ocean
CitationSanz-Martín, M., Vernet, M., Cape, M. R., Mesa, E., Delgado-Huertas, A., Reigstad, M., Wassmann, P., and Duarte, C. M. (2019) Relationship Between Carbon- and Oxygen-Based Primary Productivity in the Arctic Ocean, Svalbard Archipelago. Frontiers in Marine Science, 6:468, 15pp. DOI: https://www.frontiersin.org/articles/10.3389/fmars.2019.00468
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