{"projectrec":{"ProID":1433,"StandardTitle":"Changes in metal biogeochemistry resulting from wetland creation: bioavailability, toxicity and risk","OrigTitle":"Wijzigingen in biogeochemie van metalen bij aanleg van overstromingsgebieden: biobeschikbaarheid, toxiciteit en risico’s (WETMAT)","Acronym":"WETMAT","AbstractEnglish":"<ul><li>Context\r\n\r\nIn the vicinity of rivers, flooding of available lowlands can be considered as a possibility for temporal storage of river water during high water events. Thus, the risk of flooding inhabited areas can be reduced. This approach to deal with excessive water quantities fits in the concept of \"Integral Water Management\" and the implementation of EU Water Framework Directive 2000/60/EC. Creation of wetlands or controlled flooding areas also contributes to increasing valuable ecosystem area from an ecological and biodiversity viewpoint. As such it also fits within the concepts of e.g. the RAMSAR Convention, NATURA 2000 and the implementation of the 6th Environment Action Programme of the European Community 2001-2010. \r\n\r\n\r\n<li>Project description\r\n\r\nAs metals can accumulate, created wetlands can only be sustained if processes affecting metal mobility are thoroughly understood and metal fate can be predicted. However, they can be designed based on different flooding regimes, such as periodic inundations or permanent flooding, which has an impact on mobility, bioavailability and toxicity of heavy metals. The possible development scenarios when applying different flooding regimes are often inquired by governmental organisations, especially concerning polluted areas. Therefore, a thorough understanding of processes affecting metal mobility is needed to quantitatively predict the consequences of different management regimes on metal bioavailability, toxicity and ecosystem development. \r\n\r\n\r\n<ul><li>Objectives\r\n\r\nThis study aims at contributing to management-oriented models to deal with questions arising from the creation of wetlands or controlled flooding areas. Such models should make it possible to predict trace metal behaviour and ecosystem development in controlled flooding areas. They should allow to evaluate whether and under which conditions ecosystem development may still be acceptable in terms of environmental quality and public health when choosing different wetland creation options. \r\n\r\n\r\n<li>Methodology\r\n\r\nFactorial experimental trials at the greenhouse scale will be set up to study biogeochemical processes as affected by different flooding scenarios. The influence of vegetation on soil biogeochemistry and, reverse, the impact of pollution on plant metal uptake, growth and development will be assessed by incorporating plant growth as a separate factor in the experimental set-up. Contaminant effects under the different management scenarios will be assessed using appropriate biomarkers and toxicity tests. Models constructed from these trials will be validated in a pilot-scale experiment in Kruibeke.\r\n\r\n\r\n<li>Interaction between the different partners\r\n\r\nAll of the partners co-operate in the design and implementation of the experimental trials and in processing the data. The project management, sampling and analyses co-ordination for the experimental trials is performed by the Laboratory of Analytical Chemistry and Applied Ecochemistry (UGent - Prof. F. Tack). The Research Group Ecosystem Management (UA - Prof. P. Meire) co-ordinates sampling of the pilot-scale experiment in Kruibeke. Metal biogeochemistry and bioavailability are studied by the Laboratory of Analytical Chemistry and Applied Ecochemistry (UGent - Prof. F. Tack). Contaminant effects on reed plants and invertebrates are studied by the Research Group Ecosystem Management (UA - Prof. P. Meire) and the Laboratory of Environmental Toxicology and Aquatic Ecology (UGent - Prof. C. Janssen). \r\n\r\n\r\n<li>Link with international programmes\r\n\r\nThis integrated study can join other national European research projects (such as the Dutch RIZA-project \"Biochem\") that aim to develop management-oriented models for dealing with questions that arise from the creation of wetlands or controlled flooding areas.\r\n\r\n\r\n<li>Expected results and/or products\r\n\r\nThe study aims at contributing to management-oriented models for dealing with questions arising from the creation of wetlands or controlled flooding areas. Criteria will be developed to appraise the risks associated with the creation of wetlands in polluted areas. The main application of the results obtained in this project is situated in the regulatory, governmental policy-making and policy-supporting arena. \r\n\r\nAll results will be published in international, peer-reviewed journals. The data, constructed models and criteria will be brought together in a book and on CD-rom. The results will be disseminated to the various national and international research institutes and governmental bodies and a workshop will be organised to discuss the issue with national and international representatives of environmental departments.","AbstractOtherLang":"<ul><li>Context\r\n\r\nIn de nabijheid van rivieren is het overstromen van beschikbare, laaggelegen gebieden een mogelijkheid om tijdelijk rivierwater te stockeren bij hoog water. Zo kan het overstromingsgevaar van bewoonde gebieden verminderd worden. Het is een mogelijkheid om overmatige waterhoeveelheden te beheersen, die kadert in het concept van \"Integraal Waterbeheer\" en een toepassing vormt van de EU Richtlijn 2000/60/EC. Ook draagt de constructie van overstromingsgebieden uit ecologisch standpunt bij tot de toename van waardevolle ecosystemen. Deze optie kadert dus ook binnen de concepten van de RAMSAR Conventie, NATURA 2000 en de toepassing van het zesde milieuactieprogramma van de Europese Gemeenschap 2001-2010.\r\n\r\n\r\n<li>Beschrijving van het project\r\n\r\nOmdat metalen accumuleren, kunnen waterrijke gebieden slechts duurzaam ontwikkeld worden als processen die de metaalmobiliteit beïnvloeden, voldoende gekend zijn en voorspellingen kunnen gemaakt worden omtrent het gedrag van de metalen. In het merendeel van de gevallen kunnen echter verschillende overstromingsregimes, zoals periodieke of permanente overstroming, in beschouwing genomen worden. Dit heeft een impact op de mobiliteit, biobeschikbaarheid en toxiciteit van zware metalen. De mogelijke ontwikkelingsscenario’s bij toepassing van verschillende overstromingsregimes worden dan ook geregeld in vraag gesteld door beleidsbepalende instanties, vooral indien het verontreinigde gebieden betreft. Daarom is een diepgaand inzicht in de processen die de metaalmobiliteit beïnvloeden, noodzakelijk om voorspellingen te kunnen doen omtrent de gevolgen van de verschillende beheersopties op biobeschikbaarheid en toxiciteit van de metalen en op ecosysteemontwikkeling.\r\n\r\n<ul><li>Doelstellingen\r\n\r\nDit onderzoek heeft tot doel bij te dragen tot de ontwikkeling van beleidsgerichte modellen, die in staat zijn op eenduidige en transparante wijze vragen rond het ontwerp van waterrijke gebieden en gecontroleerde overstromingsgebieden te beantwoorden. De modellen moeten het mogelijk maken bij het ontwerp van gecontroleerde overstromingsgebieden onder verschillende scenario’s voorspellingen te doen omtrent het gedrag van metalen en de ecosysteemontwikkeling. Ze moeten tevens toelaten te evalueren of en onder welke omstandigheden ecosysteemontwikkeling nog aanvaardbaar zal zijn.\r\n\r\n<li>Methodologie\r\n\r\nExperimenten zullen opgezet worden om de biogeochemische processen als functie van het overstromingsregime te bestuderen. De invloed van vegetatie op de biogeochemie van de bodem en omgekeerd, de impact van vervuiling op metaalopname, groei en ontwikkeling van planten zal onderzocht worden. Onder de verschillende scenario’s zullen effecten van contaminanten onderzocht worden. Hierbij wordt gebruik gemaakt van geschikte biomarkers en toxiciteitstesten. Met de resultaten zullen modellen opgesteld worden, die gevalideerd worden met de gegevens van een pilootschaalexperiment te Kruibeke.\r\n\r\n\r\n<li>Interactie tussen de verschillende partners\r\n\r\nAlle partners werken samen bij het ontwerp van proefopstellingen en het verwerken van de gegevens. De projectleiding en - wat de experimentele proefopzet betreft - de coördinatie van bemonstering en analyses zullen uitgevoerd worden door het Labo voor Analytische Chemie en Toegepaste Ecochemie (UGent - Prof. F. Tack). De Onderzoeksgroep Ecosysteembeheer (UA - Prof. P. Meire) coördineert de bemonstering van het pilootschaalproject te Kruibeke. Biogeochemie en biobeschikbaarheid van de metalen wordt bestudeerd aan het Labo voor Analytische Chemie en Toegepaste Ecochemie (UGent - Prof. F. Tack). Effecten van contaminanten op rietplanten en invertebraten worden bestudeerd door de Onderzoeksgroep Ecosysteembeheer (UA - Prof. P. Meire) en het Labo voor Milieutoxicologie en Aquatische Ecologie (Ugent - Prof. C. Janssen).\r\n\r\n\r\n<li>Band internationale programma’s\r\n\r\nDeze studie sluit aan bij andere nationale Europese onderzoeksprojecten (zoals het Nederlandse RIZA-project \"Biochem\"), die bijdragen tot de ontwikkeling van beleidsgerichte modellen gericht op het beantwoorden van vragen rond het ontwerp van waterrijke gebieden of overstromingsgebieden. \r\n\r\n\r\n<li>Verwachte resultaten en/of producten:\r\n\r\nDit onderzoek heeft als doelstelling bij te dragen tot de ontwikkeling van beleidsgerichte modellen, die in staat zijn op eenduidige en transparante wijze vragen rond het ontwerp van waterrijke gebieden en gecontroleerde overstromingsgebieden te beantwoorden. Bovendien zullen criteria opgesteld worden om de risico’s in te schatten die voortvloeien uit de keuze van verschillende beleidsopties bij de aanleg van overstromingsgebieden in verontreinigde milieus. De voornaamste toepassingen zijn gesitueerd in de beleidsbepalende en -ondersteunende arena.\r\n\r\nDe resultaten zullen gepubliceerd worden in internationale tijdschriften. De verzamelde gegevens, ontworpen modellen en criteria zullen neergeschreven worden in een boek en op CD-rom worden gezet. De resultaten zullen doorgegeven worden aan verschillende nationale en internationale onderzoeksinstituten en beleidsorganen. Tenslotte zal een werkvergadering georganiseerd worden om de problematiek te bespreken met nationale en internationale vertegenwoordigers van verschillende milieugerichte departementen.","DateLastModified":{"date":"2024-05-06 10:25:46.257000","timezone_type":1,"timezone":"+00:00"},"ParentProID":1075,"BeginYear":2003,"EndYear":2006,"BMonth":1,"EMonth":4,"BeginMonth":"January","EndMonth":"April","OrigTitleLangCode":"nl","OrigTitleLangID":41,"OrigTitleLangNL":"Nederlands","OrigTitleLang":"Dutch","OtherAbstractLangCode":"nl","OtherAbstractLangID":41,"OtherAbstractLang":"Dutch","OtherAbstractLangNL":"Nederlands","Progress":"Completed","ProgressNL":"Afgelopen","PublicFlag":1,"CheckedFlag":1,"ND":"2003-11-26","UD":"2009-09-16","DMPFlag":0,"Budget":517000,"BudgetCurrency":"EUR"},"parent":{"ProID":1075,"Acronym":"SPSD-II","StandardTitle":"Research action SPSD-II: Second scientific support plan for a sustainable development policy"},"persons":null,"projects":null,"events":null,"datasets":null,"institutes":[{"instituterec":{"Acronym":null,"ProPartID":1779,"PublicFlag":1,"OrigNameLangCode":"en","OrigNameLangID":15,"FullOrigName":"Ghent University; 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