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Article

Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake

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Department of Hydrobiology, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
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Pál Juhász-Nagy Doctoral School of Biology and Environmental Sciences, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
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Department of Physical Geography and Geoinformatics, University of Debrecen, Egyetem tér 1., H-4032 Debrecen, Hungary
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Department of Land Use, University of Debrecen, Böszörményi út 138, H-4032 Debrecen, Hungary
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Centre for Ecological Research, Institute of Aquatic Ecology, Karolina út 29, H-1113 Budapest, Hungary
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Department of Water Supply and Sewerage, Faculty of Water Sciences, University of Public Service, H-6500 Baja, Hungary
*
Author to whom correspondence should be addressed.
Academic Editor: Gang Pan
Water 2021, 13(17), 2339; https://doi.org/10.3390/w13172339
Received: 30 June 2021 / Revised: 19 August 2021 / Accepted: 21 August 2021 / Published: 26 August 2021
(This article belongs to the Special Issue Algae: Indices of Water and Ecological Quality)
In our work, we sought to answer whether we find differences among the various zones of an oxbow lake with different land uses based on physico-chemical variables and dominant algal plankton species. The two ends of the oxbow lake are bordered by settlements, and near them there are open water areas where fishing is the major utilization form. Between the two open water areas we find a protected area with a large aquatic plant coverage and two transition zones towards the open water areas. The oxbow lake receives periodic water replenishment only at one end from one of the open water areas. During summer—due to the lack of rain—the water of the oxbow lake is used for irrigation in the surrounding arable land, so the water level fluctuation can be significant in the riverbed. Our study was performed within a vegetation period of spring, early summer, mid-summer, and fall. In connection with the ecological classification of a smaller water body, studies on the physical and chemical properties of the water and the composition of the algal plankton are usually carried out in few places and relatively infrequently. The characteristics of a water body are also influenced by seasonal changes, which can be the changes in the extent of vegetation coverage, the way land is used and the possibility of water replenishment, to which the algal community usually responds with changes. Based on our study, it can be said that even in a relatively small water body, we found a large differences based on the chemical and physical properties of the water and the characteristic algal species. Open water zones, areas with large macrovegetation coverage, and the transition zones were separated from each other. View Full-Text
Keywords: phytoplankton; physico-chemical; oxbow lake; macrophytes; open water; PCA phytoplankton; physico-chemical; oxbow lake; macrophytes; open water; PCA
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MDPI and ACS Style

Yaqoob, M.M.; Berta, C.; Szabó, L.J.; Dévai, G.; Szabó, S.; Nagy, S.A.; Bácsi, I.; Simon, A.; Nagy, J.; Somlyai, I.; Ács, É.; Grigorszky, I. Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake. Water 2021, 13, 2339. https://doi.org/10.3390/w13172339

AMA Style

Yaqoob MM, Berta C, Szabó LJ, Dévai G, Szabó S, Nagy SA, Bácsi I, Simon A, Nagy J, Somlyai I, Ács É, Grigorszky I. Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake. Water. 2021; 13(17):2339. https://doi.org/10.3390/w13172339

Chicago/Turabian Style

Yaqoob, Majd M., Csaba Berta, László J. Szabó, György Dévai, Szilárd Szabó, Sándor A. Nagy, István Bácsi, Alexandra Simon, János Nagy, Imre Somlyai, Éva Ács, and István Grigorszky. 2021. "Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake" Water 13, no. 17: 2339. https://doi.org/10.3390/w13172339

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