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  6. 07-09-2014

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 7th September 2014 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
90%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
950µS/cm
pH
8.5pH Units
Reactive Phosphate (mg/L)
0.015mg/L P
Temperature - AIR
22.4° C
Temperature - WATER
15.5° C

Water Conditions

Weather
Sunny
Last rainfall
 
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 13
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 2
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 1
Image
d. Family Simuliidae (black fly larvae) 5 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 21
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 21
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 4 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 21
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 4
ALT Signal Score 3.92
Weighted ALT Signal Score 3.68

Diary photos

Physical Chemical Trends

Last data:
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