Title: Variability of nitrogen to phosphorus concentraction ratio on the example of selected coastal river basin

Authors: WILK, P., ORLIŃSKA-WOŹNIAK, P., GĘBALA, J.

Keywords: total nitrogen (TN), total phosphorus (TP), daily variability, seasonal variability, TN : TP ratio

Abstract: Due to the ever present problem of excessive eutrophication of both surface waters and their main receiver, i.e. Baltic Sea, it becomes important to determine not only the concentration of nutrients in selected river profiles, but also an attempt to answer the question of which of the elements is a factor limiting the growth of biomass. Biological production in surface area is dependent on a number of factors including the relations between the nitrogen and phosphorus during photosynthesis. The study, whose results were presented in the article, was conducted in 2012–2014 on two littoral river basins, Rega and Słupia, in three cycles throughout the year including both vegetation period, the period after the removal of crops from the fields and the period of early spring, immediately after the thaw snow. On the basis of the results were analyzed variability of daily and seasonal concentrations of biogenic compounds and on the basis determined which of the elements limits the increase in biomass in selected catchments using the dependence that exists between the nitrogen and phosphorus in surface waters called Redfield ratio.

DOI: 10.22630/PNIKS.2017.26.1.05

APA style references: Wilk, P., Orlińska-Woźniak, P. & Gębala, J. (2017). Variability of nitrogen to phosphorus concentraction ratio on the example of selected coastal river basin. Scientific Review Engineering and Environmental Sciences, 26 (1), 55-65. doi: 10.22630/PNIKS.2017.26.1.05

APA style citation in text: The first time citation in text: (Wilk, Orlińska-Woźniak & Gębala, 2017), next citation: (Wilk et al., 2017)

Chicago style references: Wilk, Paweł, Paulina Orlińska-Woźniak, Joanna Gębala. "Variability of nitrogen to phosphorus concentraction ratio on the example of selected coastal river basin." Scientific Review Engineering and Environmental Sciences, 75 ser., vol. 26, no 1, (2017): 55-65. doi: 10.22630/PNIKS.2017.26.1.05.

Chicago style citation in text: (Wilk, Orlińska-Woźniak, and Gębala 2017)

Bibtxt style references: @article{doi:10.22630/PNIKS.2017.26.1.05, author={Wilk, Paweł and Orlińska-Woźniak, Paulina and Gębala, Joanna}, language={polish}, title={Variability of nitrogen to phosphorus concentraction ratio on the example of selected coastal river basin}, journal={Scientific Review Engineering and Environmental Sciences}, URL={http://iks.pn.sggw.pl/PN75/A5/art5.pdf}, year={2017}, volume={26 (1)}, number={75}, pages={55-65}}

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