Relationship between redox potential and the emergence of three submerged macrophytes

Zuidam, Bastiaan G. van; Cazemier, M.; Geest, G.J. van; Roijackers, R.M.M.; Peeters, E.T.H.M.

doi:10.1016/j.aquabot.2013.10.005

Cited by 9 publications

(9 citation statements)

References 46 publications

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“…Under such conditions, solubility of harmful metal ions would increase and sulphides could accumulate to high concentrations (van der Welle et al 2006;Cabaço et al 2008;van Zuidam et al 2014) which could damage seeds and seedlings of V. natans.…”

Section: Discussionmentioning

confidence: 99%

“…Low redox potentials ranging from ¡236 to ¡111 mV greatly reduced emergence of P. pusillus and Z. palustris but had no apparent effects on Chara cf. contraria (van Zuidam et al 2014). Plants with larger leaves and thicker rhizomes were believed to be better able to survive burial stresses (Cabaço et al 2008).…”

Section: Discussionmentioning

confidence: 99%

“…Consequently, seeds and propagules of submerged macrophytes growing in these dynamic sedimentary environments can be subjected to burial (Ke & Li 2006;Xiao et al 2010;van Zuidam et al 2014). Research has shown that sediment burial has strong and species-specific effects on plants in terms of seed germination, seedling emergence, plant growth, and species composition (Cabaço et al 2008;Valdemarsen et al 2011;van Zuidam et al 2014).…”

Section: Introductionmentioning

confidence: 99%

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Effects of sediment burial on seed germination and seedling establishment ofVallisneria natans

Zuo

Liu

Kong

et al. 2015

Journal of Freshwater Ecology

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Burial of seeds by sediment often happens in lakes. Laboratory experiments were conducted to investigate the effects of burial by river sand and fishpond sediment on seed germination and seedling establishment of Vallisneria natans at depths of 0, 1, 3, and 5 cm. Sediment type had significant effects only on dry weight and total leaf area of the seedlings and did not interact with burial depth. In contrast, a significant negative correlation was observed between burial depth and all of the variables, including seed germination rate, seedling emergence rate, shoot length, dry weight, leaf number, total leaf area, root number, and total root length. Moreover, no seedlings emerged above the sediment surface in the 5 cm depth treatment in either sediment, even though seed germination was observed. In addition, the results showed that fishpond sediment was more effective than river sand in accumulation of dry matter and increase of leaf area. Therefore, taking measures to accelerate seed germination and seedling emergence could promote V. natans restoration when sowing seeds in eutrophic lakes.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of sediment burial on seed germination and seedling establishment ofVallisneria natans

Zuo

Liu

Kong

et al. 2015

Journal of Freshwater Ecology

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“…Titus and Hoover () suggested that large wave forces may also hamper germination and seedling establishment of submerged macrophytes, but little is known about this mechanism. Germination depends on many factors, such as the physicochemical conditions in the sediment (Bonis and Grillas ; Van Zuidam et al ). Wave driven disturbance of the sediment might create unfavorable conditions and thereby hamper germination.…”

mentioning

confidence: 99%

Wave forces limit the establishment of submerged macrophytes in large shallow lakes

Zuidam

Peeters

2015

Limnology & Oceanography

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We studied the effect of waves on submerged macrophytes and hypothesized that exposure to large wave forces can hamper seedling establishment. In an indoor experiment in cylindrical mesocosms we tested whether large wave forces indeed inhibited the establishment of Chara globularis and Potamogeton pusillus from the propagule bank. We mimicked the effect of wave forces by generating a circular flow that caused resuspension of the sediment. Four treatments were applied, consisting of different repetition frequencies of resuspension events. Emergence and early growth of both species were monitored over 8 weeks. The resuspension treatments significantly reduced the emergence of both species, by 91% and 45% on average for Chara sp. and P. pusillus, respectively. We analysed field observations on the two species in the lakes of the IJsselmeer area in the Netherlands to evaluate whether wave forces may also inhibit establishment of macrophytes in the field. The field data seemed to support the hypothesis as both species hardly occurred in areas where a large bottom shear stress had occurred in spring, according to simulations with the SWAN wave model. The calculated maximum bottom shear stress correlated well with the occurrence of both Chara sp. and P. pusillus in the field. Regressions showed that this effect of wave forces was additional to the effect of light availability. Our study indicates that large wave forces may inhibit the establishment of macrophytes in large lakes. Reducing large wave forces can therefore potentially promote macrophyte development in these large lakes.

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“…At low levels of labile organic matter content in the sediments, this process may facilitate macrophyte growth, but with increasing organic matter content the growth rate instead decreases [102]. Low redox potential also negatively impacts certain macrophytes' propagule emergence [123]. In addition, phosphorus ( [124] and references therein) and toxic substances [125] can be released and lead to macrophyte decline and cyanobacteria blooms ( Table 2, see also Sections 4.1-4.3).…”

Section: Sediment Characteristicsmentioning

confidence: 99%

Potential Impacts of Induced Bank Filtration on Surface Water Quality: A Conceptual Framework for Future Research

Gillefalk

Massmann

Nützmann

et al. 2018

Water

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Studies on induced bank filtration (IBF), a cost-effective and reliable drinking water production method, usually focus on processes affecting the target drinking water quality. We aim to expand this view by assessing potential impacts of IBF on surface water quality. We suggest that IBF can directly and indirectly affect several physical, chemical and biological processes in both the sediment and open water column, eventually leading to positive or negative changes in source water quality. Direct effects of IBF comprise water level fluctuations, changes in water level and retention time, and in organic content and redox conditions in littoral sediments. Indirect effects are mainly triggered by interrupting groundwater discharge into the surface water body. The latter may result in increased seasonal temperature variations in sediment and water and reduced discharge of solutes transported by groundwater such as nutrients and carbon dioxide. These changes can have cascading effects on various water quality, e.g., by facilitating toxic phytoplankton blooms. We propose investigating these potential effects of IBF in future field and laboratory studies to allow for more detailed insights into these yet unknown effects and their magnitude in order to assure a sustainable application of this valuable technique in the future.

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Relationship between redox potential and the emergence of three submerged macrophytes

Cited by 9 publications

References 46 publications

Effects of sediment burial on seed germination and seedling establishment ofVallisneria natans

Effects of sediment burial on seed germination and seedling establishment ofVallisneria natans

Wave forces limit the establishment of submerged macrophytes in large shallow lakes

Potential Impacts of Induced Bank Filtration on Surface Water Quality: A Conceptual Framework for Future Research

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