{"refrec":{"BRefID":12981,"RR":"<b>Dietvorst, C.J.M.</b> (1972). Een overzicht van de trematoden bij enkele gastropoden in de westelijke Waddenzee. <i>NIOZ-rapport</i>, 1972(13). Nederlands Instituut voor Onderzoek der Zee: Texel. 18 pp.","BEntID":12981,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>NIOZ-rapport</i>, 1972(13). Nederlands Instituut voor Onderzoek der Zee: Texel.  18 pp.","DocTypID":13,"DocType":"Reports","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dietvorst, C.J.M.","OrigTitleTranslFlag":1,"Authorstringtrunc":"Dietvorst, C.J.M.","Englishabstract":"In the period of April-August 1971 an inventory was made from the trematods by the following gasteropods in the western Waddensea: <i>Littorina littorea</i> L., <i>Littorina saxatilis</i> Olivi, <i>Littorina obtusata</i> L.,<i>Hydrobia ulvae</i> Pennant, en <i>Hydrobia stagnorum</i> Gmelin. The next trematodes were found with the different gastropods and described: <i>Himasthla elongata, Podocotyle atomon,Microphallus pygmaeus, Renicola roscovita, Cryptocotyle lingua, Cercaria lebouri , Microphallus similis, Echinostome cercarie, Microcercaria spec., Cercaria misenensis, Cercaria lophocerca</i> and <i>Cercariaeum spec.</i>.","AbstractOtherLang":"In de periode van april-augustus 1971 werd een inventarisatie gemaakt van de trematoden bij de volgende gasteropoden in de westelijke Waddenzee: <i>Littorina littorea</i> L. , <i>Littorina saxatilis</i> Olivi , <i>Littorina obtusata</i> L., <i>Hydrobia ulvae</i> Pennant en <i>Hydrobia stagnorum</i> Gmelin. 2. De volgende trematoden werden bij de verschillende gastropoden aangetroffen en beschreven: <i>Himasthla elongata, Podocotyle atomon. Microphallus pygmaeus, Renicola roscovita, Cryptocotyle lingua, Cercaria lebouri, Microphallus similis, Echinostome cercaria, Microcercaria spec., Cercaria misenensis, Cercaria lophocerca</i> en <i>Cercariaeum spec.</i>. Bij <i>Littorina littorea</i> en bij <i>Littorina saxatilis</i> bleek er een verband te bestaan tussen de grootte van de gastheer en het aantal besmette exemplaren per grootte-klasse. Bij besmetting met <i>Microphallus pygmaeus, Microphallus similis</i> en <i>Himasthla elongata</i> nam het besmettingspercentage toe met de grootte van de gastheer. Bij besmetting met <i>Renicola roscovita</i> en <i>Cryptocotyle lingua</i>. bleek er bij een bepaalde grootte-klasse een maximum te liggen in de besmetting, waarna deze bij grotere exemplaren weer afnam. Bij <i>Littorina saxatilis</i> werd bij de mannelijke dieren een hogere besmetting met trematoden gevonden dan bij de vrouwelijke 5. De verspreiding van de gevonden soorten trematoden werd nagegaan op verschillende plaatsen in de Waddenzee. 6. In de periode april-augustus kon er, gehoudens op een monsterplaats in de Mok, geen verband aangetoond worden tussen het aantal trematoden en het seizoen.","BibLvlCode":"MS","StandardTitle":"Een overzicht van de trematoden bij enkele gastropoden in de westelijke Waddenzee","OrigTitleLangCode":"nl","OrigTitleLangCodeExtended":"dut","OrigTitleLangID":41,"DateLastModified":{"date":"2025-07-22 01:33:06.175990","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":null,"MonPub":1972,"DateUpdate":"2025-07-15","DateCreate":"2001-07-06","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":null,"monrec":{"MonID":12981,"ISBN":null,"PubliDate":1972,"IssueDate":null,"Volume":"1972","Issue":"13","Pagination":"18","Place":"Texel","Edition":null,"BRefXtra":null,"BRefXtraRR":null,"SerID":5697,"SerRR":"NIOZ-rapport. 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