Aluminium in aquatic environments: abundance and ecotoxicological impacts

Botté, Audrey; Zaidi, Mariem; Guery, J.; Fichet, Denis; Leignel, Vincent

doi:10.1007/s10452-021-09936-4

Cited by 39 publications

(18 citation statements)

References 85 publications

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“…However, through weathering, other chemical compounds might have become bioavailable (Rue & McKnight, 2021) that might have been harmful to organisms (Jones & Bennett, 2014; Vicca et al, 2022), such as aluminum which is a common companion in silica minerals (Amann et al, 2020). Aluminum is toxic to many organisms in the microgram per Litre range (Botté et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

Direct and indirect effects of the increase in atmospheric CO₂and temperature on groundwater organisms

Schmidt,

Svátková,

Kodeš

et al. 2023

Preprint

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Atmospherically rising temperature and CO2 impact all freshwater systems, including groundwater. Increasing CO2 leads to more intense weathering of silicate rocks. Here, we tested whether the increased levels, the weathering, or rather the increasing temperature, impacted on fauna and prokaryotes in the groundwater ecosystem. We conducted the analyses separately for deep, i.e. secluded, and shallow, quaternary aquifers which exchange with the surface more intensely. Organism abundances and relative composition did not correlate with temperature or CO2 levels. While many organisms rely on silica, in contrast, we found negative correlations between silica and fauna. The increases in silica over time, i.e. temporal trends, also partly correlated negatively with organisms. We hypothesize that the unexpected negative correlations are not direct effects, but indirectly indicate that groundwater communities do not adapt rapidly enough to changes. This jeopardizes future drinking water production which relies on the self-cleaning ecosystem services in groundwater.

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Section: Discussionmentioning

confidence: 99%

Direct and indirect effects of the increase in atmospheric CO₂and temperature on groundwater organisms

Schmidt,

Svátková,

Kodeš

et al. 2023

Preprint

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“…To our knowledge, our study is the first to show selection effects of metals (Al and Mn) on estuarine bacterial composition, supporting similar observations in river systems (21, 53). Anthropogenic pollution can increase influx of majority of these elements including Al and Mn into estuarine systems (97, 98) which in turn can significantly modify the sediment bacterial communities bearing potential ecological consequences.…”

Section: Discussionmentioning

confidence: 99%

Oyster aquaculture enhances sediment microbial diversity– Insights from a multi-omics study

Stevens,

Ray,

Al-Haj

et al. 2023

Preprint

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The global aquaculture industry has grown substantially, with consequences for coastal ecology and biogeochemistry. Oyster aquaculture can alter the availability of resources for microbes that live in sediments as oysters move large quantities of organic material to the sediments via filter feeding, possibly leading to changes in the structure and function of sediment microbial communities. Here, we use a chronosequence approach to investigate the impacts of oyster farming on sediment microbial communities over 7 years of aquaculture activity in a temperate coastal system. We detected shifts in bacterial composition (16S rRNA amplicon sequencing), changes in gene expression (meta-transcriptomics), and variations in sediment elemental concentrations (sediment geochemistry) across different durations of oyster farming. Our results indicate that both the structure and function of bacterial communities vary between control (no oysters) and farm sites, with an overall increase in diversity and a shift towards anoxic tolerance in farm sites. However, little to no variation was observed in either structure or function with respect to farming duration suggesting these sediment microbial communities are resilient to change. We also did not find any significant impact of farming on heavy metal accumulation in the sediments. The minimal influence of long-term oyster farming on sediment bacterial function and biogeochemical processes as observed here can bear important consequences for establishing best practices for sustainable farming in these areas.ImportanceSediment microbial communities drive a range of important ecosystem processes such as nutrient recycling and filtration. Oysters are well-known ecological engineers, and their presence is increasing as aquaculture expands in coastal waters globally. Determining how oyster aquaculture impacts sediment microbial processes is key to understanding current and future estuarine biogeochemical processes. Here, we use a multi-omics approach to study the effect of different durations of oyster farming on the structure and function of bacteria and elemental accumulation in the farm sediments. Our results indicate an increase in the diversity of bacterial communities in the farm sites with no such increases observed for elemental concentrations. Further, these effects persist across multiple years of farming with an increase of anoxic tolerant bacteria at farm sites. The multi-omics approach used in this study can serve as a valuable tool to facilitate understanding of the environmental impacts of oyster aquaculture.

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“…On the other hand, the formation of intermediate forms of precipitant iron species during pre-oxidation improves coagulation by increasing the particle concentration in water. In addition, aluminum sulfate reduces the stabilization of algae through charge neutralization or algal aggregation, thereby improving flocculation and solid-liquid separation in a later stage [61]. It was observed that the ferric hydroxide colloid derived from Fe(VI) decomposition caused the conglomeration of algal cells during prolonged pre-oxidation and the damaged algal cells changed the zeta potential on their surface, while aluminum sulfate continually enhanced the subsequent coagulation by inducing the sedimentation of the remaining algal cells [62,63].…”

Section: Fe(vi) Combined With Aluminum Sulfate For Algal Removalmentioning

confidence: 99%

“…Therefore, Fe(VI) combined with aluminum sulfate further increases the removal rate of residual algae and reduces the cost of water purification. However, the potential toxicity increase due to high residual aluminum levels calls for the careful management and further optimization of this technique in future research and applications [61,65].…”

Section: Fe(vi) Combined With Aluminum Sulfate For Algal Removalmentioning

confidence: 99%

The Role of Ferrate (VI) in the Pretreatment of Algal Cells and Algal Organic Matters: A Review

Wang,

Yang,

Chen

et al. 2024

Water

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Algal blooms are caused by excessive levels of nitrogen, phosphorus, and other plant nutrients in water. Algae and algal organic matter (AOM) pose a great threat to the quality of drinking water. This manuscript offers a systematic review of algal removal by ferrate (Fe(VI)) oxidation, including the conditions for the removal of different algae by Fe(VI) and the factors affecting the removal efficiency. On this basis, the oxidation and coagulation mechanisms of algae removal by Fe(VI) are discussed. Then, the review introduces the process combining Fe(VI) pre-oxidation with aluminum sulfate action. The addition of aluminum sulfate can further enhance the coagulation effect and reduce the formation of disinfection byproducts (DBPs) in the subsequent chlorination process by effectively removing AOM, which is recognized as a precursor of DBPs. In addition, recent studies on the combined application of Fe(VI) and Fe(II) are also reviewed. In a reasonable dose range, the synergistic effect of Fe(VI) and Fe(II) can significantly improve the removal of algae and algal toxins. Finally, this review provides a comprehensive evaluation of the applicability of Fe(VI) in removing algal material, offers guidance for the harmless treatment of algae with Fe(VI), and identifies future research questions.

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Aluminium in aquatic environments: abundance and ecotoxicological impacts

Cited by 39 publications

References 85 publications

Direct and indirect effects of the increase in atmospheric CO₂and temperature on groundwater organisms

Direct and indirect effects of the increase in atmospheric CO₂and temperature on groundwater organisms

Oyster aquaculture enhances sediment microbial diversity– Insights from a multi-omics study

The Role of Ferrate (VI) in the Pretreatment of Algal Cells and Algal Organic Matters: A Review

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Aluminium in aquatic environments: abundance and ecotoxicological impacts

Cited by 39 publications

References 85 publications

Direct and indirect effects of the increase in atmospheric CO2and temperature on groundwater organisms

Direct and indirect effects of the increase in atmospheric CO2and temperature on groundwater organisms

Oyster aquaculture enhances sediment microbial diversity– Insights from a multi-omics study

The Role of Ferrate (VI) in the Pretreatment of Algal Cells and Algal Organic Matters: A Review

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Product

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Direct and indirect effects of the increase in atmospheric CO₂and temperature on groundwater organisms

Direct and indirect effects of the increase in atmospheric CO₂and temperature on groundwater organisms