Environmental toxicants evaluation in a modern monitoring system - Romanian monitox network area
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574(498) (7)
Общая экология. Биоценология. Гидробиология. Биогеография (806)
SM ISO690:2012
TEODOROF, Liliana, BURADA, Adrian, DESPINA, Cristina, SECELEANU-ODOR, Daniela, TRIFANOV, Cristian, ENE, Antoaneta, ZUBCOV, Elena, SPANOS, Thomas, BOGDEVICH, Oleg. Environmental toxicants evaluation in a modern monitoring system - Romanian monitox network area. In: Sustainable use and protection of animal world in the context of climate change: dedicated to the 75th anniversary from the creation of the first research subdivisions and 60th from the foundation of the Institute of Zoology, Ed. 10, 16-17 septembrie 2021, Chișinău. Chișinău: Institutul de Zoologie, 2021, Ediția 10, pp. 29-34. ISBN 978-9975-157-82-7. DOI: https://doi.org/10.53937/icz10.2021.04
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Sustainable use and protection of animal world in the context of climate change
Ediția 10, 2021
Conferința "Sustainable use and protection of animal world in the context of climate change"
10, Chișinău, Moldova, 16-17 septembrie 2021

Environmental toxicants evaluation in a modern monitoring system - Romanian monitox network area

DOI:https://doi.org/10.53937/icz10.2021.04
CZU: 574(498)

Pag. 29-34

Teodorof Liliana12, Burada Adrian1, Despina Cristina1, Seceleanu-Odor Daniela1, Trifanov Cristian1, Ene Antoaneta2, Zubcov Elena23, Spanos Thomas24, Bogdevich Oleg25
 
1 Danube Delta National Institute for Research and Development,
2 "Dunarea de Jos" University of Galati,
3 Institute of Zoology,
4 International Hellenic University,
5 Institutul de Geologie şi Seismologie
 
Proiecte:
 
Disponibil în IBN: 17 septembrie 2021


Rezumat

In this paper a class consisting of 8 environmental toxicants were selected to assess Danube River water quality between Calarasi-Silistra sector until the river flow into the Black Sea, the Romanian Monitox Network Area. A comprehnsive comparison between 2 years of investigations in terms of nutrients contribution, such as different forms of nitrogen (ammonium nitrogen (N-NH4+), nitrite nitrogen (N-NO2-), nitrate nitrogen (N-NO3-), organic nitrogen, total nitrogen (TN)) and phosphorus (orthophosphate phosphorus (P-PO4 -3), total phosphorus (TP)), was made in order to provide information on the spatial and temporal variations of this river water quality. Sampling was performed according to European standards and quantitatively analysed using molecular spectrophotometry using UV VIS spectrophotometer Perkin Elmer Lambda 650S. The obtained results showed differences in nitrite nitrogen loads in surface water samples with higher values in the samples collected from the sampling points situated at the mouths of the Danube River into the Black Sea in 2020. Regarding quality classes, the surface waters were generally framed, in good quality class. The nutrients concentrations, combined in CCME WQI index, give an overview on surface water quality assessement in Romanian Monitox Network Area, with a good quality of Lower Danube (Constanta in 2019 and 2020) and fair quality of Danube Delta in 2020, but very closed to good quality.