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Phytocenotic and ecological characteristics of urban river communities invaded by Pistia stratiotes L. and Pontederia crassipes Mart. in Ukraine Cover

Phytocenotic and ecological characteristics of urban river communities invaded by Pistia stratiotes L. and Pontederia crassipes Mart. in Ukraine

Hacquetia
Volume 24 (2025): Issue 1 (June 2025)
By: Hanna O. Kazarinova  
Open Access
|Feb 2025

Figures & Tables

Figure 1:

Locations of the investigated plots in Kharkiv city: 1 – Kharkiv city area; 2 – The Lopan River; 3 – The Udy River; 4 – The Kharkiv River.Slika 1: Lokacije raziskanih ploskev v mestu Harkov: 1 – območje mesta Harkov; 2 – reka Lopan; 3 – reka Udy; 4 – reka Harkov.
Locations of the investigated plots in Kharkiv city: 1 – Kharkiv city area; 2 – The Lopan River; 3 – The Udy River; 4 – The Kharkiv River.Slika 1: Lokacije raziskanih ploskev v mestu Harkov: 1 – območje mesta Harkov; 2 – reka Lopan; 3 – reka Udy; 4 – reka Harkov.

Figure 2:

Aquatic plant communities with present alien species Pistia stratiotes L. and Pontederia crassipes Mart.: A) the Udy River (19. 9. 2014); B) the Kharkiv River (20. 8. 2016); C) the Lopan River (6. 9. 2021); D) the Lopan River (6. 9. 2021).Slika 2: Vodne rastlinske združbe s prisotnima tujerodnima vrstama Pistia stratiotes L. in Pontederia crassipes Mart.: A) reka Udy (19. 9. 2014); B) reka Harkov (20. 8. 2016); C) reka Lopan (6. 9. 2021); D) reka Lopan (9. 6. 2021).
Aquatic plant communities with present alien species Pistia stratiotes L. and Pontederia crassipes Mart.: A) the Udy River (19. 9. 2014); B) the Kharkiv River (20. 8. 2016); C) the Lopan River (6. 9. 2021); D) the Lopan River (6. 9. 2021).Slika 2: Vodne rastlinske združbe s prisotnima tujerodnima vrstama Pistia stratiotes L. in Pontederia crassipes Mart.: A) reka Udy (19. 9. 2014); B) reka Harkov (20. 8. 2016); C) reka Lopan (6. 9. 2021); D) reka Lopan (9. 6. 2021).

Figure 3:

Zone of tolerance of plant communities in the hyperspace of Didukh's ecological indicator values: A) with Pistia stratiotes; B) with Pistia stratiotes and Pontederia crassipesLegend: Hd – soil humidity, fH – variability of soil humidity, Rc – acidity, Sl – total salt regime, Ca – carbonate content, Nt – nitrogen content, Ae – soil aeration, Tm – the radiation balance (thermal climate), Om – the aridity or humidity of climate (ombroregime), Kn – continentality of climate, Cr – the rigours of winter (cryoclimate), Lc – light.Slika 3: Cona tolerance rastlinskih združb v hiperprostoru vrednosti Didukhovih ekoloških indikatorskih vrednosti: A) z vrsto Pistia stratiotes; B) z vrstama Pistia stratiotes in Pontederia crassipesLegenda: Hd – vlažnost tal, fH – variabilnost vlažnosti tal, Rc – kislost, Sl – skupni režim soli, Ca – vsebnost karbonatov, Nt – vsebnost dušika, Ae – zračnost tal, Tm – sevalna bilanca (toplota podnebja), Om – suhost ali vlažnost podnebja (ombrorežim), Kn – celinskost podnebja, Cr – ostrina zime (krioklima), Lc – svetloba.
Zone of tolerance of plant communities in the hyperspace of Didukh's ecological indicator values: A) with Pistia stratiotes; B) with Pistia stratiotes and Pontederia crassipesLegend: Hd – soil humidity, fH – variability of soil humidity, Rc – acidity, Sl – total salt regime, Ca – carbonate content, Nt – nitrogen content, Ae – soil aeration, Tm – the radiation balance (thermal climate), Om – the aridity or humidity of climate (ombroregime), Kn – continentality of climate, Cr – the rigours of winter (cryoclimate), Lc – light.Slika 3: Cona tolerance rastlinskih združb v hiperprostoru vrednosti Didukhovih ekoloških indikatorskih vrednosti: A) z vrsto Pistia stratiotes; B) z vrstama Pistia stratiotes in Pontederia crassipesLegenda: Hd – vlažnost tal, fH – variabilnost vlažnosti tal, Rc – kislost, Sl – skupni režim soli, Ca – vsebnost karbonatov, Nt – vsebnost dušika, Ae – zračnost tal, Tm – sevalna bilanca (toplota podnebja), Om – suhost ali vlažnost podnebja (ombrorežim), Kn – celinskost podnebja, Cr – ostrina zime (krioklima), Lc – svetloba.

Studied locations of water bodies in Kharkiv_Tabela 2: Preuèevane lokacije vodnih teles v Harkovu_

Number of locationType of water bodyDateWater temperature, °CThe presence of alien speciesGeographical coordinates
LongitudeLatitude
1Udy river19.09.201424Pistia stratiotes (projective cover 25%)36°09′59.8″E49°57′25.1″N
2Udy river19.09.201424Pistia stratiotes (projective cover 15%)36°10′07.4″E49°57′23.2″N
3Zhovtneve Reservoir19.09.201423Pistia stratiotes (projective cover 25 %)36°09′57.1″E49°57′26.9″N
4Kharkiv river20.08.201622Pistia stratiotes (projective cover 40%)36°14′36.6″E49°59′32.9″N
5Kharkiv river30.09.202014Pistia stratiotes (projective cover 35%)36°14′40.0″E49°59′33.4″N
6Lopan river6.09.202118Pistia stratiotes (projective cover 30%), Pontederia crassipes (projective cover 5%)36°12′26.6″E50°00′40.6″N
7Lopan river6.09.202118Pistia stratiotes (projective cover 5%), Pontederia crassipes (projective cover 5%)36°12′19.9″E50°00′47.0″N
8Lopan river6.09.202118Pistia stratiotes (projective cover 5%), Pontederia crassipes (projective cover 10%)36°12′02.0″E50°01′03.5″N
9Lopan river6.09.202119Pistia stratiotes (projective cover 5%), Pontederia crassipes (projective cover 15%)36°12′02.9″E50°01′01.8″N
10Lopan river6.09.202118Pistia stratiotes (projective cover 45%), Pontederia crassipes (projective cover 15%)36°11′45.2″E50°01′19.1″N

Ecological indicator values of studied plant communities according to twelve indicators_Tabela 2: Vrednosti dvanajstih ekoloških indikatorskih vrednosti raziskovanih rastlinskih združb_

Environmental factorsPlant communities with participationPlant communities with participation
Pistia stratiotesPistia stratiotes and Pontederia crassipes
MeanMinimumMaximumStd. Dev.MeanMinimumMaximumStd. Dev.
Hd20,1320,0020,300,1517,4814,5019,301,86
fH2,902,603,300,365,684,808,001,33
Rc8,438,009,100,598,107,608,700,51
Sl8,838,609,000,217,947,208,600,60
Ca6,175,706,600,455,344,406,100,67
Nt7,306,708,000,667,446,708,000,57
Ae11,9010,5013,301,4011,3410,0013,001,09
Tm7,976,709,601,488,467,709,400,66
Om8,837,9010,201,2110,489,5011,200,90
Kn7,907,108,800,858,647,909,200,47
Cr6,976,307,500,617,927,308,700,61
Lc7,206,907,400,267,547,108,000,38
DOI: https://doi.org/10.3986/hacq-2025-0007 | Journal eISSN: 1854-9829 | Journal ISSN: 1581-4661
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Language: English
Page range: 57 - 65
Submitted on: Jan 4, 2024
|
Accepted on: Aug 22, 2024
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Published on: Feb 21, 2025
Published by: Slovenian Academy of Sciences and Arts
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year
Keywords:
alien plants,
macrophytes,
invasion,
urban river communities
Related subjects:
Life sciences,
Plant science,
Ecology,
Life sciences, other

© 2025 Hanna O. Kazarinova, published by Slovenian Academy of Sciences and Arts
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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