Oceanic primary production (P)

Range 35 - 65 gigatonnes of carbon per year (Gt C/yr)
Organism Biosphere
Reference del Giorgio PA, Duarte CM. Respiration in the open ocean. Nature. 2002 Nov 28 420(6914):379-84 DOI: 10.1038/nature01165 p.379 left column top paragraphPubMed ID12459775
Primary Source [1] Field CB, Behrenfeld MJ, Randerson JT, Falkowski P. Primary production of the biosphere: integrating terrestrial and oceanic components. Science. 1998 Jul 10 281(5374):237-40 [2] Longhurst, A., Sathyendranath, S., Platt, T. & Caverhill, C. An estimate of global primary production in the ocean from satellite radiometer data. J. Plankton Res. 17, 1245–1271 (1995) [3] Ducklow, H. W. Ocean biogeochemical fluxes: New production and export of organic matter from the upper ocean. Rev. Geophys. 33(Suppl.), 1271–1276 (1995) [4] Balkanski, Y., Monfray, P., Batle, M. & Heimann, M. Ocean primary production derived from satellite data: An evaluation with atmospheric oxygen measurements. Glob. Biogeochem. Cycles 13, 257–271 (1999) [5] Morel A, Antoine D. Oceanography. Small crittersbig effects. Science. 2002 Jun 14 296(5575):1980-2 DOI: 10.1126/science.1072561PubMed ID9657713, 12065823
Method Primary source [1] abstract: "Integrating conceptually similar models of the growth of marine and terrestrial primary producers yielded an estimated global net primary production (NPP) of 104.9 petagrams of carbon per year, with roughly equal contributions from land and oceans." Petagram=10^15 grams
Comments P.379 left column top paragraph: "Oceanic primary production (P) represents about half of the planet's primary production (primary source 1), ranging from 35 to 65 gigatonnes of carbon per year (Gt C/yr) (primary sources) with open ocean production accounting for over 80% of the total (primary source 2). Only a small fraction of this organic matter is buried in the ocean's sediments, the bulk of the organic matter produced being instead remineralized through respiration (primary source 3)." (Gt C/yr)=gigatonnes of carbon per year=10^9 tonnes of carbon per year
Entered by Uri M
ID 115373