What question did this study set out to answer?

The aim is to evaluate the effectiveness of hydrogen peroxide in preventing the spread of Prymnesium parvum in the Oder River while assessing its ecological safety.

June 1, 2026Open Access

Field application of hydrogen peroxide to prevent the spread of Prymnesium parvum to the Oder River: efficacy and ecological safety assessment

Key Points

The aim is to evaluate the effectiveness of hydrogen peroxide in preventing the spread of Prymnesium parvum in the Oder River while assessing its ecological safety.
Applied hydrogen peroxide at doses of 10–15 mg H2O2/L to assess efficacy against Prymnesium parvum
Monitored effects on non-target organisms
Conducted systematic efficacy and safety assessments
Hydrogen peroxide eliminated 90–99% of Prymnesium parvum cells
Demonstrated acceptable effects on non-target organisms
Supported the ecological safety of using hydrogen peroxide to reduce bloom dispersal

Abstract

• Hydrogen peroxide effectively eradicated Prymnesium parvum and hampered its spread. • A dose in the range of 10–15 mg H 2 O 2 /L eliminated 90–99 % of P. parvum cells. • Acceptable effects on non-target organisms support the use of H 2 O 2 to reduce risk of bloom dispersal.

Field application of hydrogen peroxide to prevent the spread of Prymnesium parvum to the Oder River: efficacy and ecological safety assessment

Key Points

Abstract

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