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  6. 04-12-2016

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 4th December 2016 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
86.27%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
1050µS/cm
pH
8.4pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - AIR
32.3° C
Temperature - WATER
13.3° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 21
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 13
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
Image
d. Family Hydrophilidae, Genus Helochares (Beetle adult) 2 1
Image
d. Family Simuliidae (black fly larvae) 5 151
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 3
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 5
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 13
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 16
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 15
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 2
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 3
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 1
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 21
ALT Signal Score 3.13
Weighted ALT Signal Score 3.83

Diary photos

Physical Chemical Trends

Last data:
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