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Massive occurrence of the alien invasive species Pleodorina indica (Volvocales, Chlorophyta) in a reservoir located in urban areas of Central Poland

Piotr Knysak

Piotr Knysak

Department of Algology and Mycology, Faculty of Biology and Environmental Protection, University of ŁódźŁódź, Poland
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Knysak, Piotr
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Joanna Żelazna-Wieczorek

Joanna Żelazna-Wieczorek

Department of Algology and Mycology, Faculty of Biology and Environmental Protection, University of ŁódźŁódź, Poland
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Żelazna-Wieczorek, Joanna
  
06. März 2017
Massive occurrence of the alien invasive species Pleodorina indica (Volvocales, Chlorophyta) in a reservoir located in urban areas of Central Poland's Cover Image
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Artikel-Kategorie: Short communication
Online veröffentlicht: 06. März 2017
Seitenbereich: 116 - 122
Eingereicht: 08. Apr. 2016
Akzeptiert: 17. Juni 2016
DOI: https://doi.org/10.1515/ohs-2017-0012
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© Faculty of Oceanography and Geography, University of Gdańsk, Poland. All rights reserved.
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Figure 1

Location of the flow-through reservoir with Pleodorina indica (Iyengar) Nozaki
Location of the flow-through reservoir with Pleodorina indica (Iyengar) Nozaki

Figure 2

Air and water temperature, pH reaction and conductivity at the sampling site during the study
Air and water temperature, pH reaction and conductivity at the sampling site during the study

Figure 3

Pleodorina indica (Iyengar) H. Nozaki (A-K) Light microscope, Nikon Eclipse 50i (A) Dark field view, monoculture colony, magnification 10×4; (B-I) magnification 10×40; (J, K) arrows indicate flagellum, colony stained with blue methylene, magnification 10×40, 10×100
Pleodorina indica (Iyengar) H. Nozaki (A-K) Light microscope, Nikon Eclipse 50i (A) Dark field view, monoculture colony, magnification 10×4; (B-I) magnification 10×40; (J, K) arrows indicate flagellum, colony stained with blue methylene, magnification 10×40, 10×100

Figure 4

Pleodorina indica (A-F) Confocal microscope, Leica SP-8. Scale bar 20 μm (A) arrows indicate individual sheaths in the gelatinous matrix; (D, E) Surface of the 32-cells colony; (F) 64-cells colony; (B) arrows indicate vegetative cells; (C) arrows indicate somatic cells; (D) arrows indicate vegetative cells during division (asexual reproduction); (E, F) arrows indicate undulating peripheries of the colony
Pleodorina indica (A-F) Confocal microscope, Leica SP-8. Scale bar 20 μm (A) arrows indicate individual sheaths in the gelatinous matrix; (D, E) Surface of the 32-cells colony; (F) 64-cells colony; (B) arrows indicate vegetative cells; (C) arrows indicate somatic cells; (D) arrows indicate vegetative cells during division (asexual reproduction); (E, F) arrows indicate undulating peripheries of the colony

Figure 5

Average monthly temperatures from 1995-2014 in comparison with average monthly temperatures from 2015, in Łódź
Average monthly temperatures from 1995-2014 in comparison with average monthly temperatures from 2015, in Łódź
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