{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T07:54:10Z","timestamp":1790322850096,"version":"4.1.0"},"reference-count":63,"publisher":"American Geophysical Union (AGU)","issue":"4","license":[{"start":{"date-parts":[[2013,11,21]],"date-time":"2013-11-21T00:00:00Z","timestamp":1384992000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004837","name":"Spanish Ministry of Science and Innovation","doi-asserted-by":"crossref","award":["CSD2008-00077"],"award-info":[{"award-number":["CSD2008-00077"]}],"id":[{"id":"10.13039\/501100004837","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Austrian Science Fund","award":["FWF: PADOM project P23221-B11"],"award-info":[{"award-number":["FWF: PADOM project P23221-B11"]}]},{"name":"Earth and Life Science Division of the Dutch Science Foundation","award":["ALW-NWO; ARCHIMEDES project, 835.20.023; TRANSAT project 811.33.004"],"award-info":[{"award-number":["ALW-NWO; ARCHIMEDES project, 835.20.023; TRANSAT project 811.33.004"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Global Biogeochemical Cycles"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:p>The extent to which water mass mixing contributes to the biological activity of the dark ocean is essentially unknown. Using a multiparameter water mass analysis, we examined the impact of water mass mixing on the nutrient distribution and microbial activity of the Northeast Atlantic Deep Water (NEADW) along an 8000\u2009km long transect extending from 62\u00b0N to 5\u00b0S. Mixing of four water types (WT) and basin scale mineralization from the site where the WT where defined to the study area explained up to 95% of the variability in the distribution of inorganic nutrients and apparent oxygen utilization. Mixing\u2010corrected average O<jats:sub>2<\/jats:sub>:N:P mineralization ratios of 127(\u00b111):13.0(\u00b10.7):1 in the core of the NEADW suggested preferential utilization of phosphorus compounds while dissolved organic carbon mineralization contributed a maximum of 20% to the oxygen demand of the NEADW. In conjunction with the calculated average mineralization ratios, our results indicate a major contribution of particulate organic matter to the biological activity in the NEADW. The variability in prokaryotic abundance, high nucleic acid containing cells, and prokaryotic heterotrophic production in the NEADW was explained by large scale (64\u201379%) and local mineralization processes (21\u201336%), consistent with the idea that deep\u2010water prokaryotic communities are controlled by substrate supply. Overall, our results suggest a major impact of mixing on the distribution of inorganic nutrients and a weaker influence on the dissolved organic matter pool supporting prokaryotic activity in the NEADW.<\/jats:p>","DOI":"10.1002\/2013gb004634","type":"journal-article","created":{"date-parts":[[2013,10,25]],"date-time":"2013-10-25T17:02:59Z","timestamp":1382720579000},"page":"1151-1162","source":"Crossref","is-referenced-by-count":21,"title":["Impact of water mass mixing on the biogeochemistry and microbiology of the Northeast Atlantic Deep Water"],"prefix":"10.1029","volume":"27","author":[{"given":"Thomas","family":"Reinthaler","sequence":"first","affiliation":[{"name":"Department of Limnology and Oceanography University of Vienna  Vienna Austria"},{"name":"Department of Marine Biology University of Vienna  Vienna Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xos\u00e9 Ant\u00f3n","family":"\u00c1lvarez Salgado","sequence":"additional","affiliation":[{"name":"Instituto de Investigaciones Marinas (IIM\u2010CSIC)  Vigo Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marta","family":"\u00c1lvarez","sequence":"additional","affiliation":[{"name":"Instituto Espa\u00f1ol de Oceanograf\u00eda (IEO)  A Coru\u00f1a Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hendrik M.","family":"van Aken","sequence":"additional","affiliation":[{"name":"Department of Physical Oceanography Royal Netherlands Institute for Sea Research (NIOZ)  Den Burg Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerhard J.","family":"Herndl","sequence":"additional","affiliation":[{"name":"Department of Limnology and Oceanography University of Vienna  Vienna Austria"},{"name":"Department of Biological Oceanography Royal Netherlands Institute for Sea Research (NIOZ)  Den Burg Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"13","published-online":{"date-parts":[[2013,11,21]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365\u2010294X.2010.04932.x"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.4319\/lo.2007.52.2.0533"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1029\/2003JC002015"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1029\/2004JC002473"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.4319\/lo.2013.58.2.0681"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1029\/93GB03318"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1076746"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.3354\/ame033289"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1029\/2002JC001625"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.4319\/lo.2009.54.1.0182"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/357667a0"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1029\/2002GB001947"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0913744107"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1462\u20102920.2007.01321.x"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1029\/2003JC002051"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature04385"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dsr2.2010.02.022"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.dsr2.2010.02.013"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.4319\/lo.2011.56.1.0001"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0967-0645(00)00066-7"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.3989\/scimar.1998.62n1-2161"},{"issue":"10","key":"e_1_2_6_23_1","doi-asserted-by":"crossref","first-page":"4475","DOI":"10.1128\/AEM.65.10.4475-4483.1999","article-title":"Significance of size and nucleic acid content heterogeneity as measured by flow cytometry in natural planktonic bacteria","volume":"65","author":"Gasol J. 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