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Logan River Catchment and Estuary
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Catchment Facts |
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- Total area: 3,076km2
- Stream network length: 5,486km
- Local Councils: Beaudesert (pop. 62,441), Brisbane (pop. 956,129), Ipswich (pop. 140,181), Logan (pop. 173,264), Boonah (pop. 8,642)
- Dominant land uses: grazing, native bush, rural residential, intensive agriculture
- Headwaters rise in Mt Barney National Park and are in relatively pristine condition
- Upper catchment has been extensively cleared for agriculture, grazing and dairying
- Mid and lower reaches flow through rural residential and urban areas
- Several aquaculture facilities are located along the banks of the Logan River near its mouth
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Freshwater results |
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D+ |
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Logan Catchment |
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- Streams generally in poor condition
- Nutrient cycling and fish indicators continue to return lower scores than other indicators
- Lower scores for physical/chemical and aquatic macroinvertebrate indicators compared with last year
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Estuarine results |
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F |
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Logan Estuary |
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- Improved turbidity and dissolved oxygen levels in the middle and upper reaches compared with 2006
- Lower freshwater inputs from the catchment resulting in higher salinity levels throughout the estuary compared with 2006
- Some riparian habitat remains intact in the inter-tidal zone, but is heavily impacted above the highest tide mark throughout the estuary
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