{"refrec":{"BRefID":652,"RR":"<b>Leewis, R.J.; Dankers, N.M.J.A.; de Jong, D.J.</b> (1998). Naar een ecosysteem zoute wateren Nederland. <i>BEON Rapport = BEON-report</i>, 98(11). RIKZ: Den Haag. 18 + bijlagen pp.","BEntID":652,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>BEON Rapport = BEON-report</i>, 98(11). RIKZ: Den Haag.  18 + bijlagen pp.","DocTypID":13,"DocType":"Reports","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Leewis, R.J.; Dankers, N.M.J.A.; de Jong, D.J.","OrigTitleTranslFlag":1,"Authorstringtrunc":"Leewis, R.J.; Dankers, N.M.J.A.; de Jong, D.J.","Englishabstract":"In the frame of the BEON-spear point Habitat disturbance it was quickly noticed, that the type of questions that could be asked concerning this, can only be handled efficiently, when one disposes of a clear, preferably geographic classification of the brackish waters in the Netherlands. Such a classification, which did previously exist for terrestrial systems and different sorts of fresh water, was not available for brackish water. The development of a system that could be used as such, therefore, became the priority of one of the projects, coming under the head of this spear point: mapping habitats/ecotopes in the Dutch brackish waters (last issue: IBN 96 H 25). In sub studies of this project research has been done on which (a)biotic factors determine the existence of soil animals and fish in different brackish waters and how, and what the composition of those fauna components is. A brief literature study after the definitions and concepts, lead to the conclusion, that the desired classification should take place based on ecotopes. In a separate subproject criteria by which ecopodes could be distinguished, were formulated. Among others, information from other sub studies has been used, only moderate attention was given to the processes through which ecotopes are formed and preserved, compared to the factors that are relevant to the flora and fauna. A hierarchic system was then created from characteristics of ecotopes, leading to a list of ecotopes. An attempt has been made to follow already existing classifications for terrestrial and fresh water- systems. In this report, no parameter classes are given, because these can vary by distinguished ecotope in different water systems, and even by goal of a certain study. The specially developed GIS-application HABIMAP is applied to, based on the ecotope system, execute a mapping. In two projects of the Rijkswaterstraat, RIKZ, not coming under BEON, similar mappings have been done for the Western Scheldt and the North Sea. The results of the mapping of the Wadden Sea are appended to this report as a appendix. This provides a good basis for a totally developed ecotope system in the Dutch brackish waters.","AbstractOtherLang":"In het kader van het BEON-speerpunt Habitatverstoring werd al snel geconstateerd, dat het type vragen dat in dit verband gesteld kan worden alleen efficiënt kan worden aangepakt, wanneer men de beschikking heeft over een heldere, liefst geografische indeling van de zoute wateren van Nederland. Zo'n indeling, die al wel bestond voor terrestrische systemen en diverse typen zoete wateren, was niet beschikbaar voor zoute wateren.Het ontwikkelen van een systeem dat hierdoor gebruikt zou kunnen worden, werd daarom het hoofddoel van één van de onder dit speerpunt vallende projecten: kartering habitats/ecotopen in de Nederlandse zoute wateren (laatste nummer: IBN 96 H 25).In deelstudies van dit project werd onderzocht welke (a)biotische factoren het voorkomen van bodemdieren en vissen in diverse zoute wateren bepalen en op welke wijze, en wat de samenstelling van die faunacomponenten is. Een korte literatuurstudie naar definities en begrippen leidde tot het besluit, dat de nagestreefde indeling plaats zou moeten vinden op basis van ecotopen. In een apart deelproject werden criteria geformuleerd waarmee ecotopen zouden kunnen worden onderscheiden. Daarbij is onder meer informatie uit de andere deelstudies gebruikt, maar met mate is gekeken naar processen die ecotopen vormen en instandhouden, naast factoren die relevant zijn voor de flora en fauna.Vervolgens is een hiërarchisch systeem ontworpen van kenmerken van ecotopen, leidend tot een lijst van ecotopen. Er is daarbij gepoogd aan te sluiten bij reeds bestaande indelingen voor terrestrische en zoetwater-systemen. Er worden in dit rapport geen parametersklassen gegeven, omdat deze per onderscheiden ecotoop in verschillende watersystemen, en zelfs per doelstelling van een bepaalde studie, kunnen verschillen.De speciaal ontwikkelde GIS-applicatie HABIMAP is toegepast om op basis van dit stelsel van ecotopen een kartering van de Waddenzee uit te voeren. In twee niet onder BEON vallende projecten van Rijkswaterstaat, RIKZ, zijn vergelijkbare karteringen uitgevoerd voor de Westerschelde en de Noordzee. De resultaten van de kartering van de Waddenzee zijn als bijlage bij dit rapport gevoegd.Hiermee is een goede basis gelegd voor een volledig uitgewerkt ecotopenstelsel voor de Nederlandse zoute wateren.","BibLvlCode":"MS","StandardTitle":"Naar een ecosysteem zoute wateren Nederland","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":1998,"DateUpdate":"2025-07-15","DateCreate":"2000-08-24","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":null,"monrec":{"MonID":652,"ISBN":null,"PubliDate":1998,"IssueDate":null,"Volume":"98","Issue":"11","Pagination":"18 + bijlagen","Place":"Den Haag","Edition":null,"BRefXtra":null,"BRefXtraRR":null,"SerID":33963,"SerRR":"BEON Rapport = BEON-report. Programma Bureau BEON: Den Haag.  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