Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2025
Forfattere
Csilla Farkas Moritz Shore Christoph Schürz Agota Horel Gökhan Cücelöglu Dorota Mirosław-Świątek Maria Eliza Turek Annelie Holzkaemper Joana Eichenberger Piroska Kassai Brigitta Szabo Tibor Zsigmond Natalja Cerkasova Peter Fucik Antonin Zajicek Stepan Marval Mojtaba ShafieiSammendrag
Within the EU Horizon project OPTAIN (OPtimal strategies to reTAIN and re-use water and nutrients in small agricultural catchments across different soil-climatic regions in Europe, optain.eu) project, the effects of Natural/Small Water Retention Measures (NSWRMs) on water regime, soil erosion, and nutrient transport are evaluated at both catchment- and field scales for present and future climate conditions. The goal of this study was to assess the effectiveness of selected management-based NSWRMs on soil water retention using the field-scale SWAP soil hydrological model and to compare the results with those simulated by the catchment-scale SWAT+ model. Improved water retention and reduced surface and subsurface runoff are indicators of reduced nutrient and soil particle losses towards the surface and subsurface water bodies. The field-scale assessment was based on the adaptation of the two models to seven pilot sites across three European biogeographical regions and on combined NSWRM – projected climate scenario analyses. The SWAP model was calibrated for all the pilot fields with good or satisfactory results. The impact of four infield NSWRMs - reduced tillage, shifting to grassland, afforestation and drought tolerant crops - on the water balance elements was evaluated. The scenario results indicate that the effects of measures on soil water retention and other water balance elements have some regional pattern, but can be strongly dependent on local conditions (e.g. soil, crop, slope). According to the scenario results, for most of the cases the studied NSWRMs contributed to reducing evaporation, surface and subsurface runoff and percolation to deeper layers, which resulted in increased soil water retention or plant water uptake within the fields. The cross-validation of the field-scale SWAP and catchment-scale SWAT+ models was a challenging task and could only be performed for selected water balance elements (evaporation, transpiration and drainage outflow). Comparable results were obtained in most of the cases for the baseline scenario, but the differences between the soil water balance elements simulated by the two models increased when implementing the different measures.
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