{"refrec":{"BRefID":4025,"RR":"<b>Muylaert, K.; Sabbe, K.</b> (1999). Spring phytoplankton assemblages in and around the maximum turbidity zone of the estuaries of the Elbe (Germany), the Schelde (Belgium/The Netherlands) and the Gironde (France). <i>J. Mar. Syst. 22(2-3)</i>: 133-149. <a href=\"https://dx.doi.org/10.1016/S0924-7963(99)00037-8\" target=\"_blank\">https://dx.doi.org/10.1016/S0924-7963(99)00037-8</a>","BEntID":4025,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Mar. Syst. 22(2-3)</i>: 133-149. <a href=\"https://dx.doi.org/10.1016/S0924-7963(99)00037-8\" target=\"_blank\">https://dx.doi.org/10.1016/S0924-7963(99)00037-8</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Muylaert, K.; Sabbe, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Muylaert, K.; Sabbe, K.","Englishabstract":"In spring 1993 phytoplankton samples were taken along the longitudinal salinity gradient of the estuaries of the Elbe, Schelde and Gironde. A minimum in phytoplankton abundance, biomass and diversity was observed in the inner to upper reaches of all estuaries, suggesting massive mortality in these zones. Due to a combination of high turbidity and high river runoff, phytoplankton of the Gironde estuary differed in species composition and had lower cell abundancies and biomass compared with Elbe and Schelde. Phytoplankton structure and biomass of the polyhaline reaches of the Elbe and Schelde were quite comparable. They were characterized by the diatoms <i>Skeletonema costatum</i> and several <i>Thalassiosira</i> spp. and most probably developed in situ. The presence of tychoplanktonic species in these reaches indicates exchange with the intertidal flats. On the other hand, some marked differences were observed in the upper and tidal freshwater reaches of these two estuaries. In the oligohaline Schelde stations, phytoplankton populations were dominated by the diatom <i>Cyclotella meneghiniana</i>. The diatom <i>Stephanodiscus hantzschii</i> was dominant in the limnetic stations of the Elbe estuary. Despite the unfavourable light climate, the presence of the halophilous diatom <i>C. meneghiniana</i> in the Schelde estuary might indicate <i>in situ</i> development of phytoplankton populations. This could be attributed to the high residence time and the absence of grazers due to oxygen stress. In the Elbe, river runoff is too high (at least in spring) to permit <i>in situ</i> development of phytoplankton in the upper and freshwater tidal reaches.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Spring phytoplankton assemblages in and around the maximum turbidity zone of the estuaries of the Elbe (Germany), the Schelde (Belgium/The Netherlands) and the Gironde (France)","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":"phytoplankton; Elbe estuary; Schelde estuary; Gironde","OtherDescriptors":"Phytoplankton; Plankton surveys; Mortality; Population dynamics; River discharge; Turbidity; Spring; Estuaries; Germany, Elbe Estuary; Belgium, Schelde Estuary; France, Gironde Estuary; <i>Skeletonema costatum</i>; Thalassiosira; ANE, Germany, Elbe Estuary; ANE, Belgium, Schelde Estuary; ANE, France, Gironde Estuary","Notes":null,"AnaPub":1999,"MonPub":null,"DateUpdate":"2019-08-09","DateCreate":"2000-10-26","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000083154500004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/S0924-7963(99)00037-8"},"refs":null,"anarec":{"AnaID":4025,"PubliDate":1999,"Pagination":"133-149","XtraPublOfAnaID":null,"ISBN":null,"Volume":"22","Issue":"2-3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43079,"SerRR":"Journal of Marine Systems. 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