Impact of nutrients and water level changes on submerged macrophytes along a temperature gradient: A pan‐European mesocosm experiment

Ersoy, Zeynep; Scharfenberger, Ulrike; Baho, Didier L.; Bucak, Tuba; Feldmann, Tõnu; Hejzlar, Josef; Levi, Eti E.; Mahdy, Ayman; Nõges, Tiina; Papastergiadou, Eva; Stefanidis, Konstantinos; Šorf, Michal; Søndergaard, Martin; Trigal, Cristina; Jeppesen, Erik; Beklioğlu, Meryem

doi:10.1111/gcb.15338

Cited by 46 publications

(19 citation statements)

References 101 publications

(171 reference statements)

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“…Given their contrasting effects on habitat complexity, biodiversity, and ecosystem processes, it is key to understand the responses of the main aquatic primary producers (e.g., phytoplankton, benthic algae, submerged and floating plants) to changes in the climate regime and climate variability. The interaction of the factors affected by climate change can directly and indirectly control plant growth, and can have overall opposing effects (Havens et al, 2016;Ersoy et al, 2020). Climate change can affect the competition between phytoplankton and aquatic plants and lead to dramatic changes in habitat complexity.…”

Section: Climate Changementioning

confidence: 99%

“…Phytoplankton and particularly cyanobacteria seem to be favoured by climate warming (e.g., Paerl & Huisman, 2008;Paerl & Paul, 2012;Kosten et al, 2012;Davidson et al, 2015). In addition, heatwaves, hurricanes, and low water levels due to increased temperature/dry periods, often lead to the collapse of aquatic plants and to high phytoplankton and cyanobacteria productivity in systems with high nutrient loading (Rigosi et al, 2014;Havens et al, 2016;Ersoy et al, 2020), maintaining the lake in a poor complexity, low biodiversity, and turbid water regime.…”

Section: Climate Changementioning

confidence: 99%

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Habitat complexity in shallow lakes and ponds: importance, threats, and potential for restoration

Meerhoff

Sagrario

2021

Hydrobiologia

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In this review we describe patterns and mechanisms by which habitat complexity is crucial for the functioning of shallow lakes and ponds, and for the abundance and diversity of biological communities in these ecosystems. Habitat complexity is affected by processes acting at different spatial scales, from the landscape to the ecosystem level (i.e., morphometric attributes) that generate different complexities, determining the potential for organisms to succeed and processes to occur, such as energy and nutrient transfer, and fluxes of greenhouse gases, among others. At the local scale, the three major habitats, pelagic, littoral, and benthic, are characterised by different degrees of structural complexity and a particular set of organisms and processes. Direct and indirect effects of changes in within-lake habitat complexity can either hinder or promote regime shifts in these systems. We also review several anthropogenic pressures (eutrophication, urbanisation, introduction of exotic species, and climate change) that decrease lake resilience through changes in habitat complexity and strategies for habitat complexity restoration. Overall, we emphasize the need to preserve and/or restore habitat complexity as key challenges to account for ecosystem integrity, maintenance of local/regional biodiversity, and for the provision of crucial ecosystem services (e.g., biodiversity, self-purification, and carbon sequestration).

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Section: Climate Changementioning

confidence: 99%

Section: Climate Changementioning

confidence: 99%

Habitat complexity in shallow lakes and ponds: importance, threats, and potential for restoration

Meerhoff

Sagrario

2021

Hydrobiologia

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“…Variations in water depth greatly impact the growth and development of submerged macrophytes (Coops et al., 2003 ; Ersoy et al., 2020 ), due to changes in multiple environmental factors, especially the underwater light intensity (Wang, Wang, et al., 2021 ; Yuan et al., 2018 ). Behaving like shade‐adapted species, submerged macrophytes generally have a low tolerance of high light intensity in shallow‐water environments (Bowes & Salvucci, 1989 ; Hussner et al., 2010 ), whereas reduced light availability in deep waters can hamper their photosynthesis or root respiration (Han et al., 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Gao

Wang

et al. 2021

Ecology and Evolution

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“…Submerged macrophytes play important roles in the stability of structure and function of shallow lakes (Engel, 1998;Jeppesen et al, 1998;Han et al, 2018;Ersoy et al, 2020). The vast surfaces of leaves of submerged macrophytes provide extremely diverse habitats for the microorganisms in lakes.…”

Section: Introductionmentioning

confidence: 99%

Community Structure and Function of Epiphytic Bacteria Associated With Myriophyllum spicatum in Baiyangdian Lake, China

Sun

Wang

et al. 2021

Front. Microbiol.

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Epiphytic bacteria on the surfaces of submerged macrophytes play important roles in the growth of the host plant, nutrient cycling, and the conversion of pollutants in aquatic systems. A knowledge of the epiphytic bacterial community structure could help us to understand these roles. In this study, the abundance, diversity, and functions of the epiphytic bacterial community of Myriophyllum spicatum collected from Baiyangdian Lake in June, August, and October 2019 were studied using quantitative PCR (qPCR), high-throughput sequencing, and the prediction of functions. An analysis using qPCR showed that the epiphytic bacteria were the most abundant in October and the least abundant in August. High-throughput sequencing revealed that Proteobacteria, Gammaproteobacteria, and Aeromonas were the dominant phylum, class, and genus in all the samples. The common analyses of operational taxonomic units (OTUs), NMDS, and LDA showed that the epiphytic bacterial communities were clustered together based on the seasons. The results of a canonical correlation analysis (CCA) showed that the key water quality index that affected the changes of epiphytic bacterial community of M. spicatum was the total phosphorus (TP). The changes in abundance of Gammaproteobacteria negatively correlated with the TP. Predictive results from FAPROTAX showed that the predominant biogeochemical cycle functions of the epiphytic bacterial community were chemoheterotrophy, nitrate reduction, and fermentation. These results suggest that the epiphytic bacterial community of M. spicatum from Baiyangdian Lake varies substantially with the seasons and environmental conditions.

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Impact of nutrients and water level changes on submerged macrophytes along a temperature gradient: A pan‐European mesocosm experiment

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 46 publications

References 101 publications

Habitat complexity in shallow lakes and ponds: importance, threats, and potential for restoration

Habitat complexity in shallow lakes and ponds: importance, threats, and potential for restoration

Rapid adaptive responses of rosette‐type macrophyte Vallisneria natans juveniles to varying water depths: The role of leaf trait plasticity

Community Structure and Function of Epiphytic Bacteria Associated With Myriophyllum spicatum in Baiyangdian Lake, China

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