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Spatial and Seasonal Dynamics of Inorganic Nitrogen and Phosphorous Compounds in an Orchard-Dominated Catchment with Anthropogenic Impacts

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dc.abstract.enThe influence of various types of agricultural activities on the dynamics of biogenic compounds of flowing water was broadly recognized in many spatial and temporal scales. However, relatively minor attention was paid to the hydrochemical functioning of horticultural catchments despite their importance and dominance in some regions of Europe. Thus, the current study investigated spatial and seasonal variations in inorganic nitrogen and phosphorous compounds in stream water in the Mogielanka River catchment, with 72% covered by apple orchards. Water samples were collected from fifteen sites distributed across the catchment in the monthly timescale from March 2020 to February 2021. Concentrations of NO3−, NO2−, NH4+, and PO43− were determined photometrically, while in situ water temperature, oxygen saturation, electrical conductivity, and pH, were measured with the use of portable devices. The impact of horticulture was mainly documented in the higher concentration of NO3− during the winter months; however, maximum values did not exceed 15 mg·dm−3 and were relatively low in comparison to catchments dominated by arable lands. The authors also found a clear impact of unstratified reservoirs and inflows from wastewater treatment plants on the dynamics of biogenic compounds. The correlations of PO43− with the sums of precipitation suggested, in turn, that increased PO43− concentration mainly results from poor sewage management. The results provided preliminary but unique and spatially extensive insight into the functioning of an orchard-dominated lowland catchment and allowed the researchers to point out the main recommendations for improving water quality in similar regions.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorStępniewski, Krzysztof
dc.contributor.authorŁaszewski, Maksym
dc.date.accessioned2024-01-26T07:54:01Z
dc.date.available2024-01-26T07:54:01Z
dc.date.copyright2021-10-14
dc.date.issued2021
dc.description.accesstimeAT_PUBLICATION
dc.description.financeŚrodki finansowe, o których mowa w art. 365 pkt. 2 ustawy
dc.description.number20
dc.description.versionFINAL_PUBLISHED
dc.description.volume13
dc.identifier.doi10.3390/SU132011337
dc.identifier.issn2071-1050
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/120275
dc.identifier.weblinkhttps://www.mdpi.com/2071-1050/13/20/11337/pdf
dc.languageeng
dc.pbn.affiliationsocio-economic geography and spatial management
dc.relation.ispartofSustainability
dc.relation.pages11337
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enbiogenic compounds
dc.subject.enagriculture
dc.subject.enorchards
dc.subject.enlowland catchment
dc.subject.enhuman activity
dc.titleSpatial and Seasonal Dynamics of Inorganic Nitrogen and Phosphorous Compounds in an Orchard-Dominated Catchment with Anthropogenic Impacts
dc.typeJournalArticle
dspace.entity.typePublication