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  6. 12-04-2015

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 12th April 2015 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
81.89%
Dissolved Oxygen mg/L
8mg/L
Electrical Conductivity
620µS/cm
pH
7.8pH Units
Reactive Phosphate (mg/L)
0.06mg/L P
Temperature - AIR
17.2° C
Temperature - WATER
16.4° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
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 30
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 1
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 3
Image
d. Family Simuliidae (black fly larvae) 5 4
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 20
Image
e. Phylum Turbellaria ( flatworms) 1 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 3
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 100
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 1
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 4 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 10
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 100
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 100
ALT Signal Score 3.43
Weighted ALT Signal Score 3.76

Diary photos

Physical Chemical Trends

Last data:
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