{"refrec":{"BRefID":23781,"RR":"<b>Jager, Z.</b> (1999). Selective tidal stream transport of flounder larvae (<i>Platichthys flesus</i> L.) in the Dollard (Ems estuary). <i>Est., Coast. and Shelf Sci. 49(3)</i>: 347-362. <a href=\"https://dx.doi.org/10.1006/ecss.1999.0504\" target=\"_blank\">https://dx.doi.org/10.1006/ecss.1999.0504</a>","BEntID":23781,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Est., Coast. and Shelf Sci. 49(3)</i>: 347-362. <a href=\"https://dx.doi.org/10.1006/ecss.1999.0504\" target=\"_blank\">https://dx.doi.org/10.1006/ecss.1999.0504</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Jager, Z.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Jager, Z.","Englishabstract":"The vertical distribution of flounder larvae (<i>Platichthys flesus</i> L.) was investigated in the Dollard (Ems estuary, Wadden Sea) in relation to tidal phase and physical variables in order to address the question whether larval migration into the nursery is accomplished by passive transport, or is influenced by active (swimming) behaviour. Larval concentrations were measured twice per hour simultaneously at three water depths from low water (LW), through high water (HW), to the next LW slack. Physical variables were measured at the same time.Maximum concentrations of flounder larvae were 433 m<sup>-3</sup> in 1994 and 40 m<sup>-3</sup> in 1995. There were tidal variations in larval concentrations in all three water layers and the vertical distribution varied as well. The highest larval concentrations were usually found near the surface during flood and the lowest in the midwater layer during the ebb. In contrast to larval concentrations, turbidity was always highest near the bottom. The observation that larval vertical distributions deviate from those of suspended matter and vary in a different way led to the rejection of an entirely passive transport mechanism.The vertical distribution of larvae during flood supported the selective tidal stream transport hypothesis, but the relatively high number of flounder larvae in the surface layer during ebb was in contradiction with it. The high surface concentrations during ebb may have been caused by different origins of the water layers and thus larvae, or by an inability of the metamorphosing larvae to resist the strong ebb currents. The data suggest that the transport process inside the nursery may favour retention.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Selective tidal stream transport of flounder larvae (<i>Platichthys flesus</i> L.) in the Dollard (Ems estuary)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-17 01:31:25.143885","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"flounder, <i>Platichthys flesus</i>, selective tidal stream transport, nursery, Ems estuary\r\nSOUTHEASTERN NORTH-SEA, WADDEN SEA, PLEURONECTES-PLATESSA, VERTICAL MIGRATION, PLAICE, FISH, FLATFISH, EGGS","Notes":null,"AnaPub":1999,"MonPub":null,"DateUpdate":"2021-02-23","DateCreate":"2002-03-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000082792400003","VABBcode":null,"OpenAcc":0,"DOI":"10.1006/ecss.1999.0504"},"refs":null,"anarec":{"AnaID":23781,"PubliDate":1999,"Pagination":"347-362","XtraPublOfAnaID":null,"ISBN":null,"Volume":"49","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44109,"SerRR":"Estuarine, Coastal and Shelf Science. Academic Press: London; New York.  ISSN 0272-7714; e-ISSN 1096-0015","StandardTitleSer":"Estuarine, Coastal and Shelf Science","ISSN":"0272-7714","AbbrevSer":"Est., Coast. and Shelf Sci.","StandardTitleMon":null,"StartPage":347,"Pages":16,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":[{"XBRefID":53815,"RefStrFull":"<b>Jager, Z.</b> (1999). Selective tidal stream transport of flounder larvae (<i>Platichthys flesus</i> L.) in the Dollard (Ems estuary), <b><i>in</i></b>: Jager, Z. <i>Floundering: processes of tidal transport and accumulation of larval flounder (<i>Platichthys flesus</i> L.) in the Ems-Dollard nursery.</i> pp. 87-108","RelID":4,"RelationY":"Related to","StandardTitle":"Selective tidal stream transport of flounder larvae (<i>Platichthys flesus</i> L.) in the Dollard (Ems 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