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ORIGINAL RESEARCH article
Front. Plant Sci.
Sec. Aquatic Photosynthetic Organisms
Volume 16 - 2025 | doi: 10.3389/fpls.2025.1561709
This article is part of the Research TopicDiversity and Stability in Aquatic Plant CommunitiesView all 10 articles
The impact of epiphytic algae on the foliar traits of Potamogeton perfoliatus
Provisionally accepted- HUN-REN Balaton Limnological Research Institute, Tihany, Hungary
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This study investigated the effect of epiphyton on foliar traits of a submerged rooted macrophyte, Potamogeton perfoliatus, in a shallow freshwater lake, highlighting its influence on the ecological dynamics of littoral zones in aquatic ecosystems. It was shown that the limnological characteristics of the sampling sites (water chlorophyll-a, total suspended matter and coloured dissolved organic matter content) had no significant effect on the average values of epiphytic algal content found on pondweed leaves, while influencing the plasticity of these data. The responses of morphological and physiological traits of submerged macrophytes to accumulated epiphyton demonstrate the complexity of their relationship: epiphyton colonisation had no relevant effect on leaf morphology (except leaf length) and leaf pigment content (except Chl-a/Chl-b ratio), however, this study highlights the significant influence of epiphytic algal biomass on photophysiological traits of submerged macrophyte leaves, as 5 out of 6 photophysiological traits were affected.The results highlight the importance of considering epiphyte colonisation when seeking to understand the ecological functioning of littoral aquatic ecosystems. Furthermore, the complex interactions between epiphytes and submerged rooted macrophytes should be considered in integrated lake management and environmental protection policies. These interactions play an important, though ambiguous role in shaping habitat variability and overall ecosystem health in littoral zones.
Keywords: Macrophyte, Epiphyton, Foliar morphology, foliar photophysiology, Littoral zone, Lake Balaton
Received: 16 Jan 2025; Accepted: 12 Mar 2025.
Copyright: © 2025 Tóth. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Viktor R Tóth, HUN-REN Balaton Limnological Research Institute, Tihany, Hungary
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