river torrens - home - goyder institute...artificial lake, and community expectations dr nadine...
TRANSCRIPT
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Adelaide’s very own
River Torrens:
managing a natural river, an
artificial lake, and
community expectations
Dr Nadine Kilsby
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How do we manage?What do we value?
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Karrawirraparri-Tarndaparri
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River Murray40-90% Adelaide’s water
117 ML
641 ML2,400 ML
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Do we have
too much or
too little
water in the Torrens?
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500 ML
30 ML
2,400 ML
100 ML
117 ML
641 ML
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800 ML
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What do we/ the community
value?
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cultural heritage
river environment
picnic/BBQ facilities
bicycle path
open space
wildlife
1
2
3
4
5
6
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water quality
weeds
erosion
river flows
vandalism
algal blooms
1
2
3
4
5
6
7
8
9
Urban encroachmentother
flooding
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1. Add lots of nutrients to a simple (low biodiversity) still body of water (stormwater is great for this)
2. Warm the water up (thermocline can improve this)3. Make sure it is not mixed (or shaken or stirred)4. Do not add freshwater.
Nadine’s recipe for growing Blue Green Algae
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