Land use change to reduce freshwater nitrogen and phosphorus will be effective even with projected climate change

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dc.contributor.author Wade, Andrew J.
dc.contributor.author Skeffington, Richard A.
dc.contributor.author Couture, Raoul-Marie
dc.contributor.author Erlandsson Lampa, Martin
dc.contributor.author Groot, Simon
dc.contributor.author Halliday, Sarah J.
dc.contributor.author Harezlak, Valesca
dc.contributor.author Hejzlar, Josef
dc.contributor.author Jackson-Blake, Leah A.
dc.contributor.author Lepistö, Ahti
dc.contributor.author Papastergiadou, Eva
dc.contributor.author Riera, Joan Lluís
dc.contributor.author Rankinen, Katri
dc.contributor.author Shahgedanova, Maria
dc.contributor.author Trolle, Dennis
dc.contributor.author Whitehead, Paul G.
dc.contributor.author Psaltopoulos, Demetris
dc.contributor.author Skuras, Dimitris
dc.date.accessioned 2022-05-05T06:53:58Z
dc.date.available 2022-05-05T06:53:58Z
dc.date.issued 2022
dc.identifier.citation Wade, A.J.; Skeffington, R.A.; Couture, R.-M.; Erlandsson Lampa, M.; Groot, S.; Halliday, S.J.; Harezlak, V.; Hejzlar, J.; Jackson-Blake, L.A.; Lepistö, A.; Papastergiadou, E.; Riera, J.L.; Rankinen, K.; Shahgedanova, M.; Trolle, D.; Whitehead, P.G.; Psaltopoulos, D.; Skuras, D. Land use change to reduce freshwater nitrogen and phosphorus will be effective even with projected climate change. Water 2022, 14, 829. https://doi.org/10.3390/w14050829
dc.identifier.uri http://hdl.handle.net/10138/343324
dc.description.abstract Recent studies have demonstrated that projected climate change will likely enhance nitrogen (N) and phosphorus (P) loss from farms and farmland, with the potential to worsen freshwater eutrophication. Here, we investigate the relative importance of the climate and land use drivers of nutrient loss in nine study catchments in Europe and a neighboring country (Turkey), ranging in area from 50 to 12,000 km2. The aim was to quantify whether planned large-scale, land use change aimed at N and P loss reduction would be effective given projected climate change. To this end, catchment-scale biophysical models were applied within a common framework to quantify the integrated effects of projected changes in climate, land use (including wastewater inputs), N deposition, and water use on river and lake water quantity and quality for the mid-21st century. The proposed land use changes were derived from catchment stakeholder workshops, and the assessment quantified changes in mean annual N and P concentrations and loads. At most of the sites, the projected effects of climate change alone on nutrient concentrations and loads were small, whilst land use changes had a larger effect and were of sufficient magnitude that, overall, a move to more environmentally focused farming achieved a reduction in N and P concentrations and loads despite projected climate change. However, at Beyşehir lake in Turkey, increased temperatures and lower precipitation reduced water flows considerably, making climate change, rather than more intensive nutrient usage, the greatest threat to the freshwater ecosystem. Individual site responses did however vary and were dependent on the balance of diffuse and point source inputs. Simulated lake chlorophyll-a changes were not generally proportional to changes in nutrient loading. Further work is required to accurately simulate the flow and water quality extremes and determine how reductions in freshwater N and P translate into an aquatic ecosystem response.
dc.language.iso en
dc.publisher MDPI AG
dc.relation.ispartofseries Water
dc.rights CC BY 4.0
dc.subject vesiensuojelu
dc.subject vesistöt
dc.subject vedenlaatu
dc.subject ilmastonmuutokset
dc.subject ravinteet
dc.subject typpi
dc.subject fosfori
dc.subject klorofylli
dc.subject huuhtoutuminen
dc.subject rehevöityminen
dc.subject joet
dc.subject järvet
dc.subject Turkki
dc.subject Eurooppa
dc.title Land use change to reduce freshwater nitrogen and phosphorus will be effective even with projected climate change
dc.format.volume 14
dc.format.issue 5
dc.identifier.urn URN:NBN:fi-fe2022050532803
dc.subject.yso water quality
dc.subject.yso eutrophication
dc.subject.yso Europe
dc.subject.yso Turkey
dc.subject.yso river
dc.subject.yso lake
dc.subject.yso nitrogen
dc.subject.yso phosphorus
dc.subject.yso chlorophyll
dc.contributor.organization Suomen ympäristökeskus fi
dc.contributor.organization The Finnish Environment Institute en
dc.format.pagerange 829
dc.relation.doi https://doi.org/10.3390/w14050829
dc.relation.issn 2073-4441
dc.type.okm A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.type.okm A1 Journal article (refereed), original research en

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