Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics
The paper deals with spatial dynamics of cell count, biomass, dominant species complexes, information diversity of planktonic and contour algal communities in the Western Bug River and its tributaries. The trophic state and water quality of the rivers under study have been assessed. The spatial hete...
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| Дата: | 2024 |
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| Автори: | , , , |
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| Мова: | Ukrainian |
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M.G. Kholodny Institute of Botany, NAS of Ukraine
2024
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| Онлайн доступ: | https://algologia.co.ua/journal/article/view/34.3.175 |
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| Назва журналу: | Algologia |
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2024-09-15T10:23:17Z |
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Ukrainian |
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Western Bug River phytoplankton microphytobenthos phytoperiphyton contour communities cell count biomass trophic state dominant species complex water quality Shannon’s index річка Західний Буг фітопланктон мікрофітобентос фітоперифітон контурні угруповання чисельність біомаса трофність домінуючий комплекс якість водного середовища індекс Шеннона |
| format |
Article |
| author |
Shcherbak, V.I. Semeniuk, N.Ye. Davydov, O.A. Koziychuk, E.Sh. |
| spellingShingle |
Shcherbak, V.I. Semeniuk, N.Ye. Davydov, O.A. Koziychuk, E.Sh. Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| author_facet |
Shcherbak, V.I. Semeniuk, N.Ye. Davydov, O.A. Koziychuk, E.Sh. |
| author_sort |
Shcherbak, V.I. |
| title |
Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| title_short |
Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| title_full |
Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| title_fullStr |
Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| title_full_unstemmed |
Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| title_sort |
plankton and contour algal communities in the ukrainian section of the western bug river and its tributaries: report 2. spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics |
| title_alt |
Планктонні й контурні угруповання водоростей української ділянки р. Західний Буг та її допливів: Повідомлення 2. Просторова гетерогенність кількісних показників планктонних і контурних водоростевих угруповань |
| description |
The paper deals with spatial dynamics of cell count, biomass, dominant species complexes, information diversity of planktonic and contour algal communities in the Western Bug River and its tributaries. The trophic state and water quality of the rivers under study have been assessed. The spatial heterogeneity of phytoplankton, microphytobenthos and phytoperiphyton brought about high cell count and biomass values during the low-water summer-autumn season. The cell count and biomass have been shown to increase from the upper reaches downstream, correlating with the river bed width. High quantitative diversity of algal communities was due to Bacillariophyta dominance. Cyanobacteria and Chlorophyta were recorded as subdominants. The trophic state of the aquatic ecosystems under study varied between oligotrophic and eutrophic. The Shannon’s index made up 1.58–4.62 bit/cell and 1.60–4.40 bit/mg. The trophic state and information diversity assessed according to contour algal communities were higher than according to phytoplankton. This is indicative of the clear water regime forming in the rivers under study during the low-water summer-autumn season. The obtained findings differ from the data, published earlier for the Kaniv Water Reservoir, where the primary role belonged to phytoplankton. The spatial heterogeneity of algal communities is related to the dominant complexes structure. As a rule, these are monodominant Bacillariophyta complexes or oligodominant Bacillariophyta – Cyanobacteria or Bacillariophyta – Chlorophyta complexes. The water quality assessment according to the abiotic variables and saprobiologic characteristics has shown that the modal classes of water quality are the 2nd–3rd classes (clean waters – satisfactory clean waters). Therefore, the water quality of the Ukrainian section of the Western Bug River and its tributaries does not pose any substantial hazard to the adjacent European countries. |
| publisher |
M.G. Kholodny Institute of Botany, NAS of Ukraine |
| publishDate |
2024 |
| url |
https://algologia.co.ua/journal/article/view/34.3.175 |
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oai:algologia.co.ua:article-852024-09-15T10:23:17Z Plankton and contour algal communities in the Ukrainian section of the Western Bug River and its tributaries: Report 2. Spatial heterogeneity of planktonic and contour algal communities’ quantitative characteristics Планктонні й контурні угруповання водоростей української ділянки р. Західний Буг та її допливів: Повідомлення 2. Просторова гетерогенність кількісних показників планктонних і контурних водоростевих угруповань Shcherbak, V.I. Semeniuk, N.Ye. Davydov, O.A. Koziychuk, E.Sh. Western Bug River phytoplankton microphytobenthos phytoperiphyton contour communities cell count biomass trophic state dominant species complex water quality Shannon’s index річка Західний Буг фітопланктон мікрофітобентос фітоперифітон контурні угруповання чисельність біомаса трофність домінуючий комплекс якість водного середовища індекс Шеннона The paper deals with spatial dynamics of cell count, biomass, dominant species complexes, information diversity of planktonic and contour algal communities in the Western Bug River and its tributaries. The trophic state and water quality of the rivers under study have been assessed. The spatial heterogeneity of phytoplankton, microphytobenthos and phytoperiphyton brought about high cell count and biomass values during the low-water summer-autumn season. The cell count and biomass have been shown to increase from the upper reaches downstream, correlating with the river bed width. High quantitative diversity of algal communities was due to Bacillariophyta dominance. Cyanobacteria and Chlorophyta were recorded as subdominants. The trophic state of the aquatic ecosystems under study varied between oligotrophic and eutrophic. The Shannon’s index made up 1.58–4.62 bit/cell and 1.60–4.40 bit/mg. The trophic state and information diversity assessed according to contour algal communities were higher than according to phytoplankton. This is indicative of the clear water regime forming in the rivers under study during the low-water summer-autumn season. The obtained findings differ from the data, published earlier for the Kaniv Water Reservoir, where the primary role belonged to phytoplankton. The spatial heterogeneity of algal communities is related to the dominant complexes structure. As a rule, these are monodominant Bacillariophyta complexes or oligodominant Bacillariophyta – Cyanobacteria or Bacillariophyta – Chlorophyta complexes. The water quality assessment according to the abiotic variables and saprobiologic characteristics has shown that the modal classes of water quality are the 2nd–3rd classes (clean waters – satisfactory clean waters). Therefore, the water quality of the Ukrainian section of the Western Bug River and its tributaries does not pose any substantial hazard to the adjacent European countries. Вивчено просторовий розподіл чисельності, біомаси, домінуючих комплексів, інформаційного різноманіття водоростей планктону й контурних угруповань р. Західний Буг та її допливів. Визначено трофність та якість водного середовища досліджених річок. Просторова гетерогенність фітопланктону, мікрофітобентосу та фітоперифітону зумовила формування високих величин чисельності та біомаси в період літньо-осінньої межені. Встановлено зростання чисельності та біомаси від витоків вниз за течією, що чітко корелює зі збільшенням ширини водотоку. Значне кількісне різноманіття альгоугруповань визначалося розвитком Bacillariophyta. В якості субдомінантів виступали Cyanobacteria та Chlorophyta. Трофічний статус досліджених екосистем змінювався в межах: оліготрофний – евтрофний, а інформаційне різноманіття за індексом Шеннона – від 1,58 до 4,62 біт/екз та від 1,60 до 4,40 біт/мг. Трофність та інформаційне різноманіття за контурними угрупованнями були вищими, ніж за фіто-планктоном. Це свідчить про те, що в літньо-осінню межень у досліджуваних водотоках M.G. Kholodny Institute of Botany, NAS of Ukraine 2024-09-09 Article Article application/pdf application/pdf https://algologia.co.ua/journal/article/view/34.3.175 10.15407/alg34.03.175 Algologia; Vol. 34 No. 3 (2024); 175-204 Альгологiя; Том 34 № 3 (2024); 175-204 Альгология; Том 34 № 3 (2024); 175-204 2413-5984 0868-8540 10.15407/alg34.03 uk https://algologia.co.ua/journal/article/view/34.3.175/90 https://algologia.co.ua/journal/article/view/34.3.175/91 Copyright (c) 2024 V.I. Shcherbak, N.Ye. Semeniuk, O.A. Davydov, E.Sh. Koziychuk (Author) https://creativecommons.org/licenses/by-nc/4.0 |