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| Glossary ยป N |
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GlossaryThis glossary is copied from the Stormwater Manual of Western Australia Chapter 11: Further Information. References are available from this chapter. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z NNon-point source pollution: Pollution from diffuse sources without a single point of origin or specific discharge point (ARMCANZ & ANZECC 2000). Non-structural controls: Institutional and pollution-prevention practices designed to prevent or minimise contaminants from entering stormwater runoff and/or reduce the volume of stormwater requiring management (US EPA 1999). They do not involve fixed, permanent facilities and they usually work by changing behaviour through government regulation (e.g. planning and environmental laws), education and/or economic instruments (Taylor & Wong 2002). Nutrients: Essential chemicals such as nitrogen (N) and phosphorus (P) needed by plants and animals for growth. Excessive amounts of nutrients can lead to degradation of water quality and algal blooms. |
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