ArticleEnvironmental science and pollution research international2017
Impact of aeration disturbances on endogenous phosphorus fractions and their algae growth potential from malodorous river sediment.
Article in Environmental science and pollution research international, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Channelization and flow depletion shift benthic macroinvertebrate and fish communities in urban rivers.PloS one · 2025Article
- Influence of sulfate reduction on fraction and regeneration of phosphorus at sediment-water interface of urban malodorous river.Environmental science and pollution research international · 2021Article
- The effect of microenvironment in the sediment on phosphorus immobilization under capping with ACPM and Phoslock®.Environmental science and pollution research international · 2020Article
- Impact of calcium peroxide dosage on the control of nutrients release from sediment in the anoxic landscape water.Environmental science and pollution research international · 2019Article
- Dynamics of nitrogen transformation and bacterial community with different aeration depths in malodorous river.World journal of microbiology & biotechnology · 2019Article
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Authors and funding
7 authors.
Funding
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Abstract
The present work assessed the impact of aeration disturbances on sediment-bound phosphorus fractions and their algae growth potential from a typical malodorous river. Phosphorus was sequentially extracted by a modified version of Hedley fractionation method. It was found that the mean contents of TP was 1476.1 ± 60.3 mg/kg, consisting mainly of dilute HCl-extractable P (52.6%) and NaOH-P (19.2%). The algae growth potential tests demonstrated that algae growth had varied P-level requirements for different P speciation and NaOH-P promoted algae growth remarkably and its promoting effect was positively related to its concentration. Additionally, intermittent overlying water aeration modes were recommended, and run 1 (7.0 mg/L, 12 h) was deemed as the optimized aerated mode in terms of its relatively low ecological risk and high P retention. It was noted that NaOH-P was most affected by aeration disturbance and exhibited marked increase with the elevated dissolved oxygen (DO) level whether for intermittent overlying water or sediment aeration. This research helps to gain improved understanding of the ecological risk on sediment P, and NaOH-P is recognized as one ecologically important P fraction in the sediments considering its relatively high proportion and bioavailability.
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