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  6. 04-10-2015

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 4th October 2015 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.02mg/L NH4+
Dissolved Oxygen % Saturation
78.81%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1220µS/cm
pH
7.9pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
26.7° C
Temperature - WATER
21° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
Clear
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 8
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 3
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 1
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 50
Image
e. Phylum Turbellaria ( flatworms) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 30
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 2
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 2
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 10
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 16
ALT Signal Score 2.57
Weighted ALT Signal Score 3.23

Diary photos

Physical Chemical Trends

Last data:
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