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Arsenic in Australian environment: an overview.

E Smith1, J Smith, L Smith

  • 1CSIRO Land and Water, Urrbrae, Adelaide, SA, Australia.

Journal of Environmental Science and Health. Part A, Toxic/Hazardous Substances & Environmental Engineering
|March 15, 2003
PubMed
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Anthropogenic activities, primarily mining, are the main sources of arsenic (As) contamination in Australia. While impacts on plants are noted, effects on other organisms like fish, mammals, and humans are often overlooked.

Area of Science:

  • Environmental Science
  • Environmental Chemistry
  • Ecotoxicology

Background:

  • Anthropogenic activities are the primary drivers of elevated arsenic (As) concentrations in the Australian environment.
  • Mining is a significant contributor to As contamination in soil and water, particularly in Western Australia and Victoria.
  • Over 1000 sites, historically used as cattle dips, are now recognized as As-contaminated.

Purpose of the Study:

  • To provide a comprehensive overview of arsenic (As) in the Australian environment.
  • To identify the sources, concentrations, and exposure pathways of As contamination.
  • To highlight the often-underestimated impacts of As on various organisms and ecosystems.

Main Methods:

  • Review of existing literature on As contamination in Australia.

Related Experiment Videos

  • Analysis of data on As sources, including mining, agriculture, forestry, and industry.
  • Examination of As content in soil, water, and plants.
  • Investigation of potential exposure pathways for environmental organisms and humans.

    • Main Results:

    • Arsenic (As) contamination is widespread, with mining and historical cattle dips being major contributors.
    • Localized contamination of soil and water by agriculture, forestry, and industry is also evident.
    • While As can limit plant growth, its impacts on fish, mammals, and humans are frequently underestimated or ignored.

    Conclusions:

    • Arsenic (As) contamination poses a significant environmental challenge in Australia, largely due to human activities.
    • The full ecological and health impacts of As contamination require greater attention and research.
    • Public and regulatory awareness of As risks needs to be enhanced to address this pervasive environmental issue.