ArticleScientific reports2016
In situ, high-resolution evidence for iron-coupled mobilization of phosphorus in sediments.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Contrasting microbial iron metabolism in sediments from oxic and hypoxic estuaries.Frontiers in microbiology · 2026Article
- Interactions ofMicroorganisms · 2022Article
- Dynamic sulfur-iron cycle promoted phosphorus mobilization in sediments driven by the algae decomposition.Ecotoxicology (London, England) · 2021Article
- Effects of nFeEnvironmental science and pollution research international · 2021Article
- Using sediment resuspension to immobilize sedimentary phosphorus.Environmental science and pollution research international · 2021Article
- A study of synchronous measurement of liable phosphorous and iron based on ZrO-Chelex (DGT) in the sediment of the Chaiwopu Lake, Xinjiang, Northwest China.Environmental science and pollution research international · 2020Article
- Mechanism of phosphorus mobility in sediments with larval (Propsilocerus akamusi) bioturbation.Environmental science and pollution research international · 2020Article
- A Review on the Study of Cyanotoxins in Paleolimnological Research: Current Knowledge and Future Needs.Toxins · 2019Review
- Distribution character of localized iron microniche in lake sediment microzone revealed by chemical image.Environmental science and pollution research international · 2019Article
- Sulfur, iron, and phosphorus geochemistry in an intertidal mudflat impacted by shellfish aquaculture.Environmental science and pollution research international · 2019Article
- Two-dimensional ammonium distribution in sediment pore waters using a new colorimetric diffusive equilibration in thin-film technique.Water research X · 2019Article
- Regulation of phosphorus bioavailability by iron nanoparticles in a monomictic lake.Scientific reports · 2018Article
- Investigation on the adsorption of phosphorus in all fractions from sediment by modified maifanite.Scientific reports · 2018Article
- Combined Fe/P and Fe/S ratios as a practicable index for estimating the release potential of internal-P in freshwater sediment.Environmental science and pollution research international · 2018Article
- Different Influences of Bacterial Communities on Fe (III) Reduction and Phosphorus Availability in Sediments of the Cyanobacteria- and Macrophyte-Dominated Zones.Frontiers in microbiology · 2018Article
- Impact of raking and bioturbation-mediated ecological manipulation on sediment-water phosphorus diagenesis: a mesocosm study supported with radioactive signature.Environmental geochemistry and health · 2017Article
- Comparison of DGT with traditional methods for assessing cadmium bioavailability to Brassica chinensis in different soils.Scientific reports · 2017Article
- A mesocosm study of oxygen and trace metal dynamics in sediment microniches of reactive organic material.Scientific reports · 2017Article
- Characterization of arsenic availability in dry and flooded soils using sequential extraction and diffusive gradients in thin films (DGT) techniques.Environmental science and pollution research international · 2017Article
- Phosphorus partitioning in sediments from a tropical reservoir during a strong period of drought.Environmental science and pollution research international · 2016Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reductive dissolution of phosphorus-bearing iron (Fe) (oxyhydr)oxides has been regarded as a primary mechanism responsible for the mobilization of phosphorus (P) in sediments for over 70 years. However, to date there is little in situ evidence to support this hypothesis. In this study, a total of 16 sites in the large eutrophic Lake Taihu were selected for investigation. Newly-developed diffusive gradients in thin films (ZrO-Chelex DGT) probes were deployed to simultaneously measure labile Fe and P mainly released from sediment solids at millimeter spatial resolution. Significantly positive correlations were observed between DGT-labile Fe and P at 14 sites, implying a release of P following reductive dissolution of Fe (oxyhydr)oxides. A coincident resupply of Fe(II) and P was observed from sediment solids to buffer their releases from DGT perturbance, further verifying the mechanism of Fe-coupled mobilization of P. The ratio of DGT-labile Fe/P was found to be positively correlated with the ratio of easily reducible (oxyhydr)oxide Fe to its associated P, indicating that this solid phase should retain P prior to its release. The results provide direct evidence for the coupling between Fe and P in sediments and further identify the easily reducible Fe (oxyhydr)oxide species involved in the coupling process.
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