{"refrec":{"BRefID":247482,"RR":"<b>Laursen, K.; Gram, I.; Alberto, L.J.</b> (1983). Short-term effect of reclamation on numbers and distributions of waterfowl at Højer, Danish Wadden Sea = Korttidseffekten på ande- og vadefugles fordeling og antal ved bygningen af det fremskudte dige ved Højer, <b><i>in</i></b>: Fjeldsa°, J. <i>et al.</i> (Ed.) <i>Proceedings of the Third Nordic Congress of Ornithology, 1981 = Beretning fra den Tredie Nordiske Ornitologiske Kongres, 1981 (3-8 August,1981, København).</i> pp. 97-118","BEntID":239183,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: Fjeldsa°, J. <i>et al.</i> <i>Proceedings of the Third Nordic Congress of Ornithology, 1981 = Beretning fra den Tredie Nordiske Ornitologiske Kongres, 1981 (3-8 August,1981, København).</i> pp. 97-118","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Laursen, K.; Gram, I.; Alberto, L.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Laursen, K. <i>et al.</i>","Englishabstract":"In the summer of 1980, a new dike enclosed 11 km2 of saltmarsh and mud flats in the south eastern part of the Danish Wadden Sea. The effect of the dike is analyzed on the basis of the abundance and distribution of waders and ducks during the migration periods. The analysis comprised ground censuses in the reclaimed and adjacent areas, aerial censuses in the whole Danish Wadden Sea, observations of the high tide movements in relation to time of high tide, and the flight lines to roosts at the dike. The bird fauna has changed drastically in the reclaimed area and the nearby tidal flats. Eight· out of twelve wader species decreased by 85% in this area and all important duck species by 60%. Aerial censuses showed that the change in distribution for some species can be traced in most of Listerdyb tidal basin. Judging from the pattern of the high tide migration, the changes can be assumed to be due to shorter feeding times for the decreasing species. 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Proceedings of the Third Nordic Congress of Ornithology, 1981 = Beretning fra den Tredie Nordiske Ornitologiske Kongres, 1981 (3-8 August,1981, København). Dansk Ornitologisk Forening/Zoologisk Museum: København. ISBN 87-876-0418-3. 240 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":null,"SerRR":null,"StandardTitleSer":null,"ISSN":null,"AbbrevSer":null,"StandardTitleMon":"Proceedings of the Third Nordic Congress of Ornithology, 1981 = Beretning fra den Tredie Nordiske Ornitologiske Kongres, 1981 (3-8 August,1981, København)","StartPage":97,"Pages":22,"ToPubliDate":null,"BRefBibLvlCode":"M","SerNotes":null,"AutString":"Fjeldsa°, J.; Meltofte, H. 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