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  1. Home
  3. Persistent Organic Pollutants In Migratory Birds From Wetlands Of Southern Primorye, Russia.
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Persistent organic pollutants in migratory birds from wetlands of southern Primorye, Russia.

Maksim A Belanov1, Maksim M Donets2, Aleksandra D Borovkova2

  • 1Pacific Geographical Institute, Far Eastern Branch, Russian Academy of Sciences, ul. Radio 7, 690041, Vladivostok, Russia; Far Eastern Federal University, Ajax 10, Russky Island, 690922, Vladivostok, Russia.

The Science of the Total Environment
|December 6, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Migratory Anatidae birds in Russia show POP accumulation, with DDT and HCH predominating. Higher chlorinated PCBs concentrate in diving ducks, influenced by ecological factors.

Keywords:
BioaccumulationLake KhankaMigratory birdsOCPsPCBsPOPsWetland

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Area of Science:

  • Environmental toxicology
  • Ecology of migratory birds
  • Biomonitoring of pollutants

Background:

  • Persistent Organic Pollutants (POPs) pose risks to wildlife globally.
  • Understanding POP accumulation in migratory birds is crucial for ecosystem health.
  • Southern Primorye is a key habitat for migratory Anatidae species.

Purpose of the Study:

  • To assess the levels and patterns of POPs (OCPs and PCBs) in migratory birds.
  • To investigate the biotransformation and accumulation of POPs in different organs.
  • To correlate POP burdens with the ecological characteristics of Anatidae species.

Main Methods:

  • Analysis of POPs in feathers, liver, and muscle tissues.
  • Gas chromatography-mass spectrometry (GC-MS) for pollutant identification and quantification.
  • Statistical analysis to compare POP levels across species and correlate with ecological factors.

    • Main Results:

    • Total POP concentrations varied across organs, with feathers, muscles, and liver showing distinct ranges.
    • DDT metabolites (p,p'-DDE) and HCH isomers (β- and δ-HCH) were predominant, indicating long-term ecosystem presence.
    • Higher chlorinated PCBs accumulated more in diving ducks, linked to their feeding habits and contact with sediments.

    Conclusions:

    • Ecological traits like diet and habitat significantly influence POP accumulation in Anatidae.
    • Southern Primorye exhibits POP pollution levels comparable to other Asian regions.
    • Global background pesticide levels continue to impact even remote ecosystems.