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Quantification of the influence of current use fungicides and climate change on allochthonous Organic MATer decomposition in streams (QUANTOMAT)

Description: Das Projekt "Quantification of the influence of current use fungicides and climate change on allochthonous Organic MATer decomposition in streams (QUANTOMAT)" wird vom Umweltbundesamt gefördert und von Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Institut für Umweltwissenschaften durchgeführt. The decomposition of terrestrial organic material such as leaf litter represents a fundamental ecosystem function in streams that delivers energy for local and downstream food webs. Although agriculture dominates most regions in Europe and fungicides are applied widely, effects of currently used fungicides on the aquatic decomposer community and consequently the leaf decomposition rate are largely unknown. Also potential compensation of such hypothesised adverse effects due to nutrients or higher average water temperatures associated with climate change are not considered. Moreover, climate change is predicted to alter the community of aquatic decomposers and an open question is, whether this alteration impacts the leaf decomposition rate. The current projects follows a tripartite design to answer these research questions. Firstly, a field study in a vine growing region where fungicides are applied in large amounts will be conducted to whether there is a dose-response relationship between the exposure to fungicides and the leaf decomposition rate. Secondly, experiments in artificial streams with field communities will be carried out to assess potential compensatory mechanisms of nutrients and temperature for effects of fungicides. Thirdly, field experiments with communities exhibiting a gradient of taxa sensitive to climate change will be used to investigate potential climate-related effects on the leaf decomposition rate.

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Origin: /Bund/UBA/UFORDAT

Tags: Fungizid ? Naturwerkstoff ? Weinrebe ? Fluss ? Nährstoff ? Skigebiet ? Wassertemperatur ? Weinbau ? Dosis-Wirkungs-Beziehung ? Entschädigung ? Hydrogeologie ? Laubblatt ? Siedlungsabfall ? Temperatur ? Wirkung ? Ökosystemfunktion ? Ackerland ? Dosis ? Energie ? Exposition ? Feldstudie ? Hydrochemie ? Limnologie ? Siedlungswasserwirtschaft ? Studie ? Verwitterung ? Wirkung ? Umweltwissenschaft ? Europa ? Klimafolgen ? Regionale Lebensmittel ? Hydrologie ? Lebensmittel ? Nahrungskette ? Planung ? Forschung ? Freilandversuch ? Gebiet ? Klima ? Mittelwert ? Klimawandel ? Landwirtschaft ? AUSSTELLUNGSSTUECK ? POTENZIAL ? PROJEKT ? STROMABWAERTS ? VERANTWORTUNG ? VERWANDT ? BETRAG ? BEWERTEN ? EINSATZ ? EXPERIMENT ? FRAGE ? GEMEINSCHAFT ? GRUNDLAGE ? Integrierte Wasser-Ressourcen Bewirtschaftung ? MECHANISMEN ? ANGEWANDT ? Netz ?

Region: Rheinland-Pfalz

Bounding box: 7.5° .. 7.5° x 49.66667° .. 49.66667°

License: cc-by-nc-nd/4.0

Language: Deutsch

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Time ranges: 2012-01-01 - 2024-11-29

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