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	<updated>2026-04-07T23:51:03Z</updated>
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	<entry>
		<id>https://restorerivers.eu/wiki/index.php?title=Case_study:Hierdense_Beek&amp;diff=45955</id>
		<title>Case study:Hierdense Beek</title>
		<link rel="alternate" type="text/html" href="https://restorerivers.eu/wiki/index.php?title=Case_study:Hierdense_Beek&amp;diff=45955"/>
		<updated>2019-12-10T13:52:55Z</updated>

		<summary type="html">&lt;p&gt;Ehendrikx: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{Case study status&lt;br /&gt;
|Approval status=Approved&lt;br /&gt;
}}&lt;br /&gt;
{{Location&lt;br /&gt;
|Location=52.322862169869985, 5.7048451845382715&lt;br /&gt;
}}&lt;br /&gt;
{{Project overview&lt;br /&gt;
|Status=In progress&lt;br /&gt;
|Project web site url=www.sprengenbeken.nl/hierdense-beken/#Leuvenumse%20Beek&lt;br /&gt;
|Themes=Habitat and biodiversity, Hydromorphology, Land use management - agriculture, Land use management - forestry, Monitoring&lt;br /&gt;
|Country=Netherlands&lt;br /&gt;
|Main contact forename=Christian&lt;br /&gt;
|Main contact surname=Huising&lt;br /&gt;
|Contact organisation=Waterschap Vallei en Veluwe&lt;br /&gt;
|Contact organisation url=www.vallei-veluwe.nl/&lt;br /&gt;
|Partner organisations=STOWA,&lt;br /&gt;
|Name of parent multi-site project=Building with Nature&lt;br /&gt;
|Multi-site=No&lt;br /&gt;
|Project picture=Beek-hier-09-dood-hout.jpg&lt;br /&gt;
|Picture description=Leuvenumse beek – dood hout brengt beek tot leven&lt;br /&gt;
|Project summary=Het bovenloopse deel van de Hierdensebeek heet de Leuvenumse beek, waar de bouwen met natuur werkzaamheden zijn uitgevoerd. De totale lengte van de hoofdloop (bovenloop + benedenloop) van de Hierdense beek is ongeveer 17 km. Sinds 1993 zijn hier werkzaamheden uitgevoerd om de ruimtelijke ordening, water kwaliteit en ecologie te verbeteren door het aantakken van de oude meander. In 1996/1997 is er een grote onderhoudsbeurt geweest aan de beek. De eerste Bouwen met Natuur werkzaamheden met dood hout zijn begonnen in 2011 en duurden tot 2013. Het gebruikte hout is afkomstig uit het bos direct rond de beek en is ingebracht als vlechtwerken om het water zo goed mogelijk erlangs te laten stromen. Behalve het gebruik van dood hout, is in 2014 het &amp;quot;Synergy-project&amp;quot; begonnen waar verschillende BmN maatregelen gecombineerd worden, zoals beschaduwen, maaibeheer en zandsuppletie. De universiteit van Amsterdam heeft onderzoek uitgevoerd om de invloed van het ingebrachte hout op de flora en fauna te onderzoeken. Dit experiment wordt uitgevoerd in het kader van het innovatieprogramma &#039;Beekdalbreed hermeanderen&#039; van de Europese Kaderrichtlijn Water. Binnen deze richtlijn werken water- en natuurbeheerders samen om beekherstelmaatregelen zo efficiënt mogelijk te maken. Andere projectpartners betrokken projectpartners zijn Natuurmonumenten, Landschap Overijssel, Wageningen Universiteit, onderzoeks instituut Alterra en de Universiteit Utrecht. Het programma is aanvankelijk geïnitieerd door Stichting Toegepast Onderzoek Waterbeheer (STOWA) en het Ministerie van Infrastructuur en Milieu subsidieert 70% van dit project.&lt;br /&gt;
Bron; https://www.sprengenbeken.nl/hierdense-beken/#Leuvenumse%20Beek&lt;br /&gt;
|Project title=Hierdense Beek&lt;br /&gt;
}}&lt;br /&gt;
{{Image gallery}}&lt;br /&gt;
{{Case study image&lt;br /&gt;
|File name=Beek-hier-01-beekbijstaverden.jpg&lt;br /&gt;
|Caption=De beek bij Staverden&lt;br /&gt;
}}&lt;br /&gt;
{{Case study image&lt;br /&gt;
|File name=Beek-hier-02-monding.jpg&lt;br /&gt;
|Caption=De monding van de Hierdense Beek ter plaatse van het randmeer&lt;br /&gt;
}}&lt;br /&gt;
{{Case study image&lt;br /&gt;
|File name=Beek-hier-03-hierdensebeek-300x169.jpg&lt;br /&gt;
|Caption=Hierdense Beek vanaf de brug bij de monding&lt;br /&gt;
}}&lt;br /&gt;
{{Case study image&lt;br /&gt;
|File name=Beek-hier-08-natuurherstel.jpg&lt;br /&gt;
|Caption=Succesvol natuurherstel Leuvenumse beek&lt;br /&gt;
}}&lt;br /&gt;
{{Image gallery end}}&lt;br /&gt;
{{Toggle button}}&lt;br /&gt;
{{Toggle content start}}&lt;br /&gt;
{{Case study subcatchment}}&lt;br /&gt;
{{Site&lt;br /&gt;
|Name=Leuvenumse bos&lt;br /&gt;
|WFD (national) typology=R5,&lt;br /&gt;
|Pre-project morphology=Single channel, slightly meandering&lt;br /&gt;
|Heavily modified water body=Yes&lt;br /&gt;
|Protected species present=No&lt;br /&gt;
|Invasive species present=No&lt;br /&gt;
|Dominant hydrology=Naturally draining&lt;br /&gt;
|Dominant substrate=Sand,&lt;br /&gt;
|River corridor land use=Woodland,&lt;br /&gt;
|Average bankfull channel width category=5 - 10 m&lt;br /&gt;
|Avrg bankfull channel width=9&lt;br /&gt;
|Average bankfull channel depth category=0.5 - 2 m&lt;br /&gt;
|Avrg1 bankfull channel depth=1.8&lt;br /&gt;
|Mean discharge category=Less than 0.1 m³/s&lt;br /&gt;
|Mn discharge=0.08&lt;br /&gt;
|Average channel gradient category=Less than 0.001&lt;br /&gt;
|Avrg channel gradient=0.001&lt;br /&gt;
}}&lt;br /&gt;
{{Project background&lt;br /&gt;
|Project started=2013&lt;br /&gt;
|Works started=2014/10/01&lt;br /&gt;
|Works completed=2020/05/01&lt;br /&gt;
|Total cost category=100 - 500 k€&lt;br /&gt;
|Total1 cost=308&lt;br /&gt;
|Works1 and supervision cost category=100 - 500 k€&lt;br /&gt;
|Wrk and supervision cost=196&lt;br /&gt;
|Post-project1 management and maintenance cost category=1 - 10 k€&lt;br /&gt;
|Post-project2 management and maintenance cost=1500 euro/year&lt;br /&gt;
|Monitoring1 cost category=100 - 500 k€&lt;br /&gt;
|Monitoring2 cost=104&lt;br /&gt;
}}&lt;br /&gt;
{{Motivations&lt;br /&gt;
|Hydromorphological quality elements=Continuity for organisms, water quality&lt;br /&gt;
}}&lt;br /&gt;
{{Measures&lt;br /&gt;
|Bank and bed modifications measure=Sand deposit, dead wood deposit&lt;br /&gt;
|Other technical measure=Shading&lt;br /&gt;
|Management interventions=Mowing management&lt;br /&gt;
}}&lt;br /&gt;
{{Hydromorphological quality elements header}}&lt;br /&gt;
{{Hydromorphological quality element table row&lt;br /&gt;
|Element=Flow velocities&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Hydromorphological quality element table row&lt;br /&gt;
|Element=Quantity &amp;amp; dynamics of flow&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Hydromorphological quality element table row&lt;br /&gt;
|Element=Width &amp;amp; depth variation&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{End table}}&lt;br /&gt;
{{Biological quality elements header}}&lt;br /&gt;
{{Biological quality element table row&lt;br /&gt;
|Element=Fish&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Biological quality element table row&lt;br /&gt;
|Element=Macrophytes&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{End table}}&lt;br /&gt;
{{Physico-chemical quality elements header}}&lt;br /&gt;
{{Physico-chemical quality element table row&lt;br /&gt;
|Element=Acid neutralising capacity&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Physico-chemical quality element table row&lt;br /&gt;
|Element=PH&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Physico-chemical quality element table row&lt;br /&gt;
|Element=Temperature&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Physico-chemical quality element table row&lt;br /&gt;
|Element=Transparency&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{Physico-chemical quality element table row&lt;br /&gt;
|Element=Oxygen balance&lt;br /&gt;
|Monitored before=Yes&lt;br /&gt;
|Monitored after=Yes&lt;br /&gt;
|Qualitative monitoring=No&lt;br /&gt;
|Quantitative monitoring=No&lt;br /&gt;
|Control site used=No&lt;br /&gt;
}}&lt;br /&gt;
{{End table}}&lt;br /&gt;
{{Other responses header}}&lt;br /&gt;
{{End table}}&lt;br /&gt;
{{Monitoring documents}}&lt;br /&gt;
{{Monitoring documents end}}&lt;br /&gt;
{{Additional Documents}}&lt;br /&gt;
{{Additional Documents end}}&lt;br /&gt;
{{Additional links and references header}}&lt;br /&gt;
{{Additional links and references footer}}&lt;br /&gt;
{{Supplementary Information}}&lt;br /&gt;
{{Toggle content end}}&lt;/div&gt;</summary>
		<author><name>Ehendrikx</name></author>
	</entry>
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