{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T05:48:48Z","timestamp":1768542528669,"version":"3.49.0"},"reference-count":27,"publisher":"American Geophysical Union (AGU)","issue":"23","license":[{"start":{"date-parts":[[2004,10,5]],"date-time":"2004-10-05T00:00:00Z","timestamp":1096934400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Geophysical Research Letters"],"published-print":{"date-parts":[[2004,12,16]]},"abstract":"<jats:p>Nitrogen fixation supports new production in the oligotrophic oceans and removes dinitrogen and carbon dioxide from mixed layer waters. N\u2010fixation rates have been estimated in various ways but measurements are still too rare and factors limiting N\u2010fixation are not yet fully understood. Here we present data from a transect along 10\u00b0N through the tropical Atlantic on the Meteor Cruise 55 where N\u2010fixation rates between 3.7 and 255 \u03bcmol N*m<jats:sup>\u22122<\/jats:sup>*d<jats:sup>\u22121<\/jats:sup> were recorded. The highest rates occurred off Africa in the eastern tropical North Atlantic (ETNA), and in the Amazon River plume in the West and contributed to 1\u201312.2% of the N\u2010demand of primary production. N\u2010fixation rates correlated with dissolved Fe concentrations, which were 20\u2013280 times greater than the estimated demand. High atmospheric Fe inputs combined with the shallow nutricline make the ETNA a favourable environment for N\u2010fixers.<\/jats:p>","DOI":"10.1029\/2004gl020127","type":"journal-article","created":{"date-parts":[[2004,10,4]],"date-time":"2004-10-04T20:44:32Z","timestamp":1096922672000},"source":"Crossref","is-referenced-by-count":87,"title":["Patterns of nitrogen fixation along 10\u00b0N in the tropical Atlantic"],"prefix":"10.1029","volume":"31","author":[{"given":"Maren","family":"Voss","sequence":"first","affiliation":[{"name":"Baltic Sea Research Institute  Warnem\u00fcnde Germany"}]},{"given":"Peter","family":"Croot","sequence":"additional","affiliation":[{"name":"Leibniz Institut f\u00fcr Meereswissenschaften  Kiel Germany"}]},{"given":"Karin","family":"Lochte","sequence":"additional","affiliation":[{"name":"Leibniz Institut f\u00fcr Meereswissenschaften  Kiel Germany"}]},{"given":"Matthew","family":"Mills","sequence":"additional","affiliation":[{"name":"Leibniz Institut f\u00fcr Meereswissenschaften  Kiel Germany"}]},{"given":"Ilka","family":"Peeken","sequence":"additional","affiliation":[{"name":"Leibniz Institut f\u00fcr Meereswissenschaften  Kiel Germany"}]}],"member":"13","published-online":{"date-parts":[[2004,10,5]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.4319\/lo.2001.46.6.1249"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.276.5316.1221"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-12-160280-2.50011-0"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.3354\/meps185273"},{"key":"e_1_2_5_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dsr.2003.10.006"},{"key":"e_1_2_5_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0022-3646.1996.00916.x"},{"key":"e_1_2_5_8_1","doi-asserted-by":"publisher","DOI":"10.1029\/2004GL020153"},{"key":"e_1_2_5_9_1","doi-asserted-by":"publisher","DOI":"10.1029\/2000GB001291"},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.70.2.765-770.2004"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/387272a0"},{"key":"e_1_2_5_12_1","unstructured":"K. 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