{"refrec":{"BRefID":6237,"RR":"<b>Hunter, F.M.</b> (1999). On the function of pre-laying breeding site attendance in the northern Fulmar <i>Fulmarus glacialis</i> = Over de functie van de aanwezigheid op de broedplaats voorafgaande aan de eileg bij de Noordse stormvogel. <i>Atlant. Seabirds 1(1)</i>: 3-16","BEntID":6237,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Atlant. Seabirds 1(1)</i>: 3-16","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hunter, F.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hunter, F.M.","Englishabstract":"Northern Fulmars <i>Fulmarus glacialis</i> spend considerable periods of time at their breeding sites in the months before egg laying. In this study the function of pre-laying breeding site attendance was investigated. Three potential benefits of prolonged pre-laying colony attendance were considered: (1) site defence; (2) opportunities for engaging in either pair or extra-pair copulations (EPCs); and (3) mate defence. There was no evidence that the function of pre-laying colony attendance was site defence: sites were left unguarded for long periods during the pre-laying period and were not subsequently lost to conspecifics. Neither did it appear that individuals maintained a high frequency of attendance to engage in pair copulations. The available evidence is consistent with the idea that females attended the colony to engage in EPCs; females present at the colony on a high proportion of days during the pre-laying period were more likely to be involved in EPC attempts. Although the possibility that females attended the colony for an as yet unidentified reason and engage in EPCs simply because they were there could not be ruled out. It appeared that males attended the colony in an attempt to prevent their partners from engaging in EPCs. Males maintained a higher level of attendance than females throughout the pre-laying period and seldom left their female partners unaccompanied during the presumed fertile period.","AbstractOtherLang":"Noordse Stormvogels brengen veel tijd door op de broedplaatsen in de maanden voorafgaande aan de eileg. In het hier gepresenteerde onderzoek werd de functie van dit verblijf onderzocht. Verondersteld werd dat de aanwezigheid in de kolonie gunstig zou kunnen zijn voor (1) een effectieve verdedigingvan de nestplaats (het territorium), (2) de extra mogelijkheden voor copulaties met de partner of met andere individuen op de kolonie (EPCS, extra pair copulations), of (3) juist ter verdediging van de partner tegen ongewenste intimiteiten van andere Noordse Stormvogels op de kolonie. Er werden geen aanwijzingen gevonden dat de aanwezigheid een rol speelde bij de verdediging van het nest. De nestplaats bleef vaak langdurig onbezet en kon vervolgens weer gewoon door dezelfde vogels worden ingenomen. Evenmin kon worden geconstateerd dat de aanwezige broedparen zich bijzonder actief bezighielden met copulaties. Er werden wel aanwijzingen verzameld dat de op de kolonie aanwezige wijfjes zich bezighielden met extra-pair copulaties (paringen met niet-partners) en er bestond een positief verband tussen de duur van het verblijf op de kolonie en het aantal paringen met niet-partners. Het blijft mogelijk dat de vogels om andere redenen op de kolonie verbleven en dat de extra-pair copulaties niet het doel op zich waren, maar plaatsvonden omdat de vogels daar nu eenmaal zaten. De aanwezigheid van mannetjes op de broedplaatsen leek samen te hangen met hun pogingen om deze 'ontrouw' van de partner te voorkomen. Mannetjes waren gemiddeld veel langduriger aanwezig dan wijfjes en in de (verondersteld) vruchtbare periode van de wijfjes weken zij vrijwel niet van de zijde van de partners.","BibLvlCode":"AS","StandardTitle":"On the function of pre-laying breeding site attendance in the northern Fulmar <i>Fulmarus glacialis</i> = Over de functie van de aanwezigheid op de broedplaats voorafgaande aan de eileg bij de Noordse stormvogel","OrigTitleLangCode":"nl","OrigTitleLangCodeExtended":"dut","OrigTitleLangID":41,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1999,"MonPub":null,"DateUpdate":"2017-09-05","DateCreate":"2001-02-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":6237,"PubliDate":1999,"Pagination":"3-16","XtraPublOfAnaID":null,"ISBN":null,"Volume":"1","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45223,"SerRR":"Atlantic Seabirds. 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