Pimpama/ Coomera Rivers Catchment and Estuary
* Data from fewer than 5 sites |  |  |  |  | Pimpama Catchment Facts |
|  | - Total area: 171km2
- Stream network length: 389km
- Local Councils: Gold Coast City Council
- Dominant land uses: native bush, urban, grazing, intensive agriculture
- Dominated by intensive agriculture along the middle reaches
- Urban development, including canal estates, expanding throughout the lower catchment
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 |  |  | Coomera Catchment Facts |
|  | - Total area: 489km2
- Stream network length: 928km
- Local Councils: Beaudesert (pop. 62,441), Gold Coast (pop. 472,279)
- Dominant land uses: native bush, rural residential, grazing, urban
- Headwaters rise in Lamington National Park and remain largely intact
- Mid reaches flow through rural areas
- Urban development, including canal estates, expanding throughout the lower catchment, with the possibility of disturbance to acid sulphate soils
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|  |  | Freshwater results |
|  |  | | B+ |  | Pimpama/Coomera Catchment * |
|  |  | - Streams generally in good condition.
- An increase in nutrient cycling offset by decreases in ecosystem processes and physical/chemical indicators.
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|  |  | Estuarine results |
|  |  | | C |  | Pimpama Estuary |
|  |  | - Decreased phytoplankton concentration offset by low dissolved oxygen concentration.
- Continued high nitrogen concentration.
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 |  | | B- |  | Coomera Estuary |
|  |  | - Biological health increased slightly, but offset by increased nutrients and phytoplankton concentration.
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