{"refrec":{"BRefID":58629,"RR":"<b>De Raeve, F.</b> (1989). Sand dune vegetation and management dynamics, <b><i>in</i></b>: van der Meulen, F. <i>et al.</i> (Ed.) <i>Perspectives in coastal dune management: proceedings of the European Symposium Leiden, September 7-11, 1987 The Netherlands.</i> pp. 99-109","BEntID":56199,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: van der Meulen, F. <i>et al.</i> <i>Perspectives in coastal dune management: proceedings of the European Symposium Leiden, September 7-11, 1987 The Netherlands.</i> pp. 99-109","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"De Raeve, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"De Raeve, F.","Englishabstract":"Until recently, sand dune internal management had an essentially conservative and protective character. Gradually however, an increasing need was felt for more naturalness and more wildness, i.e. more dynamics, especially in the almost entirely fixed Dutch dune landscape. The central question of nature management thus became: what exactly is the golden mean we have to find in our management practice to establish optimally diversified sand dune sites. Such 'optimal' landscapes now, could be found at several places along the Flemish coast during the last two decades. It is demonstrated, however, that such landscape structures are essentially ephemeral, and occupy only a very small part in a long evolution from extremely mobile naked landscapes to a completely forested area; it is argued that the maintenance of such 'optima' adeternum is neither desirable nor technically practicable. For the permanent availability of these intermediate stages in landscape development, here or there within the total sand dune area, far more drastic additional dynamics (in grazing pressure, in sand drift surface) will be needed temporarily and locally than is suggested by the appearance of the 'optimum'. On the other hand, our reaction will have to remain largely conservative when dealing with properties which need(ed) much space and/or much time to develop.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Sand dune vegetation and management dynamics","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":null,"OtherDescriptors":"vegetation; landscape dynamics","Notes":null,"AnaPub":1989,"MonPub":null,"DateUpdate":"2007-09-26","DateCreate":"2004-03-22","SecASFANote":null,"ConfID":null,"PeerRev":null,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":58629,"PubliDate":1989,"Pagination":"99-109","XtraPublOfAnaID":null,"ISBN":"90-5103-025-8","Volume":null,"Issue":null,"BRefMon":58621,"BRefMonRR":"<b>van der Meulen, F.; Jungerius, P.D.; Visser, J. 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