{"refrec":{"BRefID":23820,"RR":"<b>Kromkamp, J.; Peene, J.</b> (1998). Photosynthesis and nutrient limitation of phytoplankton in the Oosterschelde estuary estimated using PSII quantum efficiency and electron flow, <b><i>in</i></b>: Dehairs, F.A. <i>et al.</i> (Ed.) <i>Integrated Marine System Analysis. European Network for Integrated Marine System Analysis FWO Vlaanderen: Proceedings of the second network meeting (Brussels, May 29-31, 1997).</i> pp. 3-27","BEntID":23820,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: Dehairs, F.A. <i>et al.</i> <i>Integrated Marine System Analysis - European Network for Integrated Marine System Analysis FWO Vlaanderen: Proceedings of the second network meeting (Brussels, May 29-31, 1997).</i> pp. 3-27","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kromkamp, J.; Peene, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kromkamp, J.; Peene, J.","Englishabstract":"Photosynthesis was studied in the Oosterschelde estuary (SW Netherlands) using <sup>14</sup>C-carbon fixation and PAM chlorophyll fluorescence Nutrient limitation of phytoplankton was estimated from concentrations of dissolved nutrients and nutrient ratio's, and from the maximum photosystem II (PSII) quantum efficiency (Fv/Fm). It was found that the nutrient concentrations were distributed rather homogenously in the estuary However, in the eastern compartment, which has the longest residence time, nutrients disappeared earlier than elsewhere. A decrease in phosphate and silicate concentration to limiting levels was followed by a decrease in maximum PSII quantum efficiency, although the decrease in Fv/Fm occurred 2 weeks later. An increase in phosphate levels coincided with an increase in Fv/Fm, which remained high for the rest of the year, despite low DIN levels later in summer and early autumn. At low irradiances there was a linear relationship between the rate of C- fixation and the rate of PSII electron transport (ETR). However, at higher irradiances the relationship became non-linear. The possible reasons for this non-linearity are discussed.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Photosynthesis and nutrient limitation of phytoplankton in the Oosterschelde estuary estimated using PSII quantum efficiency and electron flow","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1998,"MonPub":null,"DateUpdate":"2002-04-03","DateCreate":"2002-04-03","SecASFANote":null,"ConfID":null,"PeerRev":null,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":23820,"PubliDate":1998,"Pagination":"3-27","XtraPublOfAnaID":null,"ISBN":null,"Volume":null,"Issue":null,"BRefMon":20337,"BRefMonRR":"<b>Dehairs, F.A.; Elskens, M.; Goeyens, L. (Ed.)</b> (1998). Integrated Marine System Analysis - European Network for Integrated Marine System Analysis FWO Vlaanderen: Proceedings of the second network meeting (Brussels, May 29-31, 1997). VUB. Laboratorium voor Analytische Chemie: Brussel. 376 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":null,"SerRR":null,"StandardTitleSer":null,"ISSN":null,"AbbrevSer":null,"StandardTitleMon":"Integrated Marine System Analysis - European Network for Integrated Marine System Analysis FWO Vlaanderen: Proceedings of the second network meeting (Brussels, May 29-31, 1997)","StartPage":3,"Pages":25,"ToPubliDate":null,"BRefBibLvlCode":"M","SerNotes":null,"AutString":"Dehairs, F.A.; Elskens, M.; Goeyens, L. 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