Strict water quality controls are in place to protect human health and aquatic ecosystems from chemical and biological pollutants.

Chapter 5 is by Simon Apte and Graeme Batley

In general, control of pollutants at their source is more effective than remediation because of their persistence in the environment and concentration through the food chain.

Aerial spraying, Virginia, South Australia

Elevated levels of salinity, nutrients, metals, pathogens, and organic contaminants (e.g. pesticides) are the main causes of poor water quality in Australia. Pollutants are derived from a wide range of sources including agriculture, industry, and urban areas.

Sediment layers at the bottom of waterways are a major sink for nutrients and contaminants, which can be released into waters and become toxic under certain conditions.

New contaminants, for example pharmaceuticals, are continually emerging and much monitoring and research is focussed on detecting their presence and toxicity in aquatic environments.

Interested in helping us further this research?

We seek research collaborators with complementary skills so we can work together for stronger results.

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