Efeito da flor de ceratium hirundinella e microcystis aeruginosa no reservatório de água potável

Translated title of the contribution: Drivers of the ceratium hirundinella and microcystis aeruginosa coexistence in a drinking water reservoir

István Grigorszky, K. Kiss, László József Szabó, György Dévai, Sándor Alex Nagy, Imre Somlyai, Csaba Berta, Marija Gligora-Udovič, G. Borics, Gabriella Pór, Yaqoob Majd Muwafaq, Arber Hajredini, Uyanga Tumurtogoo, E. Ács

Research output: Contribution to journalArticle

Abstract

The spatial and temporal patterns of phytoplankton in relation to physical and chemical properties were studied in a drinking water reservoir-the Lázbérc Reservoir-located in north-east Hungary. The main objectives were to determine the role of the hydrologic regime in structuring algal growth and the effects of physical and chemical variables on the coexistence of a dominant species: cyanobacteria, Microcystis aeruginosa (Kützing) Kützing and an eukaryotic dinoflagellates, Ceratium hirundinella (O.F. Müller) Dujardin. The results suggest that nutrients (TP, NH4–N and NO3–N), turbidity, and the hydrologic regime play an important role in regulating the occurrence of investigated species. The rainy summer period resulting in a mixing of the water column, and the low level of nitrogen coupled with the internal release of phosphorus from the lake sediment under brief periods of anoxia promote cyanobacterial bloom. During this period, the water column was characterised by high turbidity, which created favourable conditions for developing a huge C. hirundinella biomass and the simultaneous occurrence of M. aeruginosa. This study also demonstrated-that contrary to what was previously known, deep standing waters in the temperate zone are not only dimictic (mixing twice a year during the spring and the fall), but they can also be mixed during the summer period due to continued rainfall, which equalizes the temperature in the whole water column. This can promote the occurrence of cyanobacterial and eukaryote planktonic organisms.

Original languagePortuguese
Pages (from-to)41-53
Number of pages13
JournalLimnetica
Volume38
Issue number1
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

water reservoirs
Microcystis aeruginosa
coexistence
drinking water
water column
turbidity
water
summer
anoxia
eukaryote
temperate zones
Hungary
dinoflagellate
lacustrine deposit
eukaryotic cells
hypoxia
Cyanobacteria
cyanobacterium
chemical property
physical properties

Keywords

  • Ceratium hirundinella
  • Lake-poly-mixis in temperate zone
  • Microcystis aeruginosa
  • Phosphorus
  • Seasonal variation
  • Water management

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology
  • Water Science and Technology

Cite this

Efeito da flor de ceratium hirundinella e microcystis aeruginosa no reservatório de água potável. / Grigorszky, István; Kiss, K.; Szabó, László József; Dévai, György; Nagy, Sándor Alex; Somlyai, Imre; Berta, Csaba; Gligora-Udovič, Marija; Borics, G.; Pór, Gabriella; Muwafaq, Yaqoob Majd; Hajredini, Arber; Tumurtogoo, Uyanga; Ács, E.

In: Limnetica, Vol. 38, No. 1, 01.01.2019, p. 41-53.

Research output: Contribution to journalArticle

Grigorszky, I, Kiss, K, Szabó, LJ, Dévai, G, Nagy, SA, Somlyai, I, Berta, C, Gligora-Udovič, M, Borics, G, Pór, G, Muwafaq, YM, Hajredini, A, Tumurtogoo, U & Ács, E 2019, 'Efeito da flor de ceratium hirundinella e microcystis aeruginosa no reservatório de água potável', Limnetica, vol. 38, no. 1, pp. 41-53. https://doi.org/10.23818/limn.38.11
Grigorszky, István ; Kiss, K. ; Szabó, László József ; Dévai, György ; Nagy, Sándor Alex ; Somlyai, Imre ; Berta, Csaba ; Gligora-Udovič, Marija ; Borics, G. ; Pór, Gabriella ; Muwafaq, Yaqoob Majd ; Hajredini, Arber ; Tumurtogoo, Uyanga ; Ács, E. / Efeito da flor de ceratium hirundinella e microcystis aeruginosa no reservatório de água potável. In: Limnetica. 2019 ; Vol. 38, No. 1. pp. 41-53.
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