Pregled bibliografske jedinice broj: 1204902
Nitrogen and Phosphorus Concentrations and Their Ratios as Indicators of Water Quality and Eutrophication of the Hydro-System Danube–Tisza– Danube
Nitrogen and Phosphorus Concentrations and Their Ratios as Indicators of Water Quality and Eutrophication of the Hydro-System Danube–Tisza– Danube // Agriculture, 12 (2022), 7; 935, 17 doi:10.3390/agriculture12070935 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 1204902 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Nitrogen and Phosphorus Concentrations and Their
Ratios as Indicators of Water Quality and
Eutrophication of the Hydro-System Danube–Tisza–
Danube
Autori
Savic, Radovan ; Stajic, Milica ; Blagojevic, Boško ; Bezdan, Atila ; Vranesevic, Milica ; Nikolić Jokanović, Vesna ; Baumgertel, Aleksandar ; Bubalo Kovačić, Marina ; Horvatinec, Jelena ; Ondrasek, Gabrijel
Izvornik
Agriculture (2077-0472) 12
(2022), 7;
935, 17
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
Water quality ; Nitrogen ; Phosphorus ; TN:TP ratio ; Canal network ; Eutrophication
(water quality ; nitrogen ; phosphorus ; TN:TP ratio ; canal network ; eutrophication)
Sažetak
Conserving clean and safe freshwater is a global challenge, with nitrogen (N) and phosphorus (P) as frequent limiting factors affecting water quality due to eutrophication. This paper provides a critical overview of the spatiotemporal variability in both nutrient concentrations and their total mass ratio (TN:TP) in the canal network of the Hydro system Danube–Tisza–Danube at 21 measuring locations monitored by the Environmental Protection Agency of the Republic of Serbia over a length of almost 1000 km, collected once a month during the last decade. A spatiotemporal variation in nutrient concentrations in the tested surface water samples was confirmed by correlations and cluster analyses. The highest TN concentrations were found in winter and early spring (non-vegetation season), and the highest TP concentrations in the middle of the year (vegetation season). The TN:TP mass ratio as an indicator of the eutrophication pointed out N and P co-limitation (TN:TP 8–24) in 64% of samples, N limitation (TN:TP < 8) was detected in 27% and P limitation (TN:TP > 24) in the remaining 9% of water samples. Such observations indicate slow-flowing, lowland water courses exposed to the effects of non-point and point contamination sources as nutrient runoff from the surrounding farmlands and/or urban and industrial zones, but further investigation is needed for clarification. These results are an important starting point for reducing N and P runoff loads and controlling source pollution to improve water quality and underpin recovery from eutrophication in the studied watershed.
Izvorni jezik
Engleski
Znanstvena područja
Poljoprivreda (agronomija)
POVEZANOST RADA
Ustanove:
Agronomski fakultet, Zagreb
