Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Het Leudal, een Miden-Limburgs beekdal
    Schaminée, J.H.J. ; Willems, J.H. - \ 2002
    In: Excursieverslagen 1999 / Hommel, P.W.F.M., Horsthuis, M.A.P., PKN : - p. 22 - 26.
    beekdal - botanie - ecologie - natuurterrein - plantensociologie - vegetatie - Limburg - flora - Leudal
    Restoration of brook valley meadows in the Netherlands
    Grootjans, A.P. ; Bakker, J.P. ; Jansen, A.J.M. ; Kemmers, R.H. - \ 2002
    Hydrobiologia 478 (2002). - ISSN 0018-8158 - p. 149 - 170.
    graslanden - bodem - plantengemeenschappen - drainage - herstel - ecohydrologie - beekdalen - beekdal - natuurbeheer - vegetatie - weiland - grasslands - soil - plant communities - drainage - rehabilitation - ecohydrology - brook valleys
    Until recently, restoration measures in Dutch brook valley meadows consisted of re-introducing traditional management techniques, such as mowing without fertilisation and low-intensity grazing. In the Netherlands, additional measures, such as rewetting and sod cutting, are now carried out on a large scale to combat negative influences of drainage and acidifying influences by atmospheric deposition. An analysis of successful and unsuccessful projects shows that restoration of brook valley meadows is most successful if traditional management techniques are applied in recently abandoned fields that had not been drained or fertilised. Large-scale topsoil removal in former agricultural fields that had been used intensively for several decades is often unsuccessful since seed banks are depleted, while hydrological conditions and seed dispersal mechanisms are sub-optimal. In areas with an organic topsoil, long-term drainage had often led to irreversible changes in chemical and physical properties of the soil. Successful sites were all characterised by a regular discharge of calcareous groundwater provided by local or regional hydrological systems, and, where not very long ago, populations of target species existed. On mineral soils, in particular, sod removal in established nature reserves was a successful measure to increase the number of endangered fen meadow species. It is argued that attempts to restore species-rich meadows should be avoided on former agricultural fields, where pedological processeshave led to almost irreversible changes in the soil profile and where soil seed banks have been completely depleted. From a soil conservation point of view, such areas should be exploited as eutrophic wetlands that are regularly flooded.
    Van Lekbeek naar Spaarbeek; het stroomgebied als voorraadkamer
    Knol, W.C. ; Kwakernaak, C. ; Stuyt, L.C.P.M. ; Wolfert, H.P. - \ 2001
    In: Beken in de 21e eeuw; de ideale beek vanuit maatschappelijk, technisch en eoclogisch perspectief / Verdonschot, P.F.M., - p. 37 - 50.
    beekdal - beekherstel - ecologie - hoogwater - hydrologie - stroomgebied - waterbeheer
    Beek- en rivierbegeleidende wateren: een toekomst voor de 21ste eeuw
    Nijboer, R.C. - \ 2001
    In: Beken in de 21ste eeuw : de ideale beek vanuit maatschappelijk, technisch en ecologisch perspectief / Verdonschot, P., - p. 135 - 146.
    waterlopen - herstel - natuurtechniek - aquatische ecologie - beekdal - beekherstel - biodiversiteit - natuur - Polen - streams - rehabilitation - ecological engineering
    Bodemkundige aspecten van de uitgangstoestand in het Reestdal en de Westbroekse zodde bij bevloeiing als herstelmaatregel voor verzuurde beekdalgraslanden
    Kemmers, R.H. ; Delft, S.P.J. van - \ 2001
    Wageningen : Alterra (Alterra-rapport 196) - 61
    bodemprofielen - landevaluatie - bodemchemie - oppervlakte-irrigatie - weiden - ecohydrologie - beekdalen - overijssel - beekdal - bodemkunde - grasland - natuur - verzuring - Utrecht - Reest - Westbroek - soil profiles - land evaluation - soil chemistry - surface irrigation - pastures - ecohydrology - brook valleys - overijssel
    In het Reestdal en de Westbroekse zodde worden vloeivelden ingericht ter bestrijding van verzuring van schraalgraslanden. Via een monitoringprogramma zullen de effecten van bevloeiing worden geregistreerd. De bodemkundige uitgangstoestand is vastgelegd door beschrijvingen en chemische analyses van het humusprofiel. De onderzochte profielen hebben een zuur karakter en bevatten pyriet. Met het chemische evenwichtsmodel ECOSAT is beoordeeld of de bodem voldoende ijzeroxiden en zwavelcomponenten bevat omvia reducerende processen de basenverzadiging in de profielen te kunnen laten stijgen. Alleen de veraarde kleiige horizonten in het Reestdal blijken vooral dankzij de accumulatie van pyriet een hoge basenverzadiging te kunnen realiseren. De profielen in Westbroek bevatten te weinig ijzeroxiden om een hoge basenverzadiging te kunnen genereren.
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