<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this paper, changes in the content of photosynthetic pigments during the vegetation season in the leaves of <italic>Phragmites communis</italic> Trin., <italic>Salvinia natans</italic> (L.) All., <italic>Trapa natans</italic> L. and <italic>Utricularia vulgaris</italic> L. in the area of Bardača fishpond (Sinjak pond) were monitored. Physical and chemical characteristics of water are defined in order to determine their association with the content of photosynthetic pigments. The obtained results indicate the specificity in the content of photosynthetic pigments between aquatic macrophytes and significant variations during the vegetation season. The maximum content of pigments was determined in the leaves of the emerged species, while the minimum content was measured in the submerged and floating leaves. The investigated macrophytic species showed a similar trend in the total chlorophyll content during the vegetation period; with two maximums recorded – May and September, while the minimum values were recorded with the senescence process (October). Total chlorophyll and carotenoids were in a negative correlation with temperature, pH, saturation, water transparency and orthophosphate content in water. On the other hand, they were in a positive correlation with the content of nitrates in water. The correlation analysis of the physical and chemical parameters of water quality and the concentration of macrophytes photosynthetic pigments showed a significant influence of certain abiotic factors on the photosynthetic pigments’ content in the leaves of <italic>Phragmites communis</italic> Trin., <italic>Salvinia natans</italic> (L.) All., <italic>Trapa natans</italic> L. and <italic>Utricularia vulgaris</italic> L.</p></abstract>

In this paper, changes in the content of photosynthetic pigments during the vegetation season in the leaves of Phragmites communis Trin., Salvinia natans (L.) All., Trapa natans L. and Utricularia vulgaris L. in the area of Bardača fishpond (Sinjak pond) were monitored. Physical and chemical characteristics of water are defined in order to determine their association with the content of photosynthetic pigments. The obtained results indicate the specificity in the content of photosynthetic pigments between aquatic macrophytes and significant variations during the vegetation season. The maximum content of pigments was determined in the leaves of the emerged species, while the minimum content was measured in the submerged and floating leaves. The investigated macrophytic species showed a similar trend in the total chlorophyll content during the vegetation period; with two maximums recorded – May and September, while the minimum values were recorded with the senescence process (October). Total chlorophyll and carotenoids were in a negative correlation with temperature, pH, saturation, water transparency and orthophosphate content in water. On the other hand, they were in a positive correlation with the content of nitrates in water. The correlation analysis of the physical and chemical parameters of water quality and the concentration of macrophytes photosynthetic pigments showed a significant influence of certain abiotic factors on the photosynthetic pigments’ content in the leaves of Phragmites communis Trin., Salvinia natans (L.) All., Trapa natans L. and Utricularia vulgaris L.

Seasonal Changes in the Content of Photosynthetic Pigments of Dominant Macrophytes in the Bardača Fishpond Area

Ekológia (Bratislava)

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

In this paper, changes in the content of photosynthetic pigments during the vegetation season in the leaves of Phragmites communis Trin., Salvinia natans (L.)...

Seasonal Changes in the Content of Photosynthetic Pigments of Dominant Macrophytes in the Bardača Fishpond Area

Published Online: Sep 13, 2020

Page range: 201 - 213

DOI: https://doi.org/10.2478/eko-2020-0015

Keywords
photosynthetic pigments, seasonal dynamics, aquatic macrophytes, physical and chemical parameters of water

© 2020 Tanja Maksimović et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Seasonal Changes in the Content of Photosynthetic Pigments of Dominant Macrophytes in the Bardača Fishpond Area

Published Online: Sep 13, 2020

Page range: 201 - 213

DOI: https://doi.org/10.2478/eko-2020-0015

Keywordsphotosynthetic pigments, seasonal dynamics, aquatic macrophytes, physical and chemical parameters of water

© 2020 Tanja Maksimović et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
photosynthetic pigments, seasonal dynamics, aquatic macrophytes, physical and chemical parameters of water