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  6. 06-10-2013

Merri Creek, u/s of St Georges Rd Bridge, North Fitzroy

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 6th October 2013 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
95%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
830µS/cm
pH
8pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
17.6° C
Temperature - WATER
16.9° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Muddy
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 1
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 1
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 3
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 4
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 22
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 40
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 2
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 6
ALT Signal Score 3.56
Weighted ALT Signal Score 3.24

Diary photos

Physical Chemical Trends

Last data:
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