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  6. 06-11-2016

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 6th November 2016 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
98.92%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
1110µS/cm
pH
8.5pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
21.2° C
Temperature - WATER
19.8° C
Turbidity - NTU
42NTU

Water Conditions

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

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 14
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 6
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 20
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 2
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 20
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 21
Image
e. Phylum Turbellaria ( flatworms) 1 2
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 2
Image
f. Family Ceratopogonidae (pogs) 4 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 80
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 1
Image
l. Family Dytiscidae, (swimming water tigers) 2 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 1
m. Family Syrphidae (rat tailed maggot) m. Family Syrphidae (rat tailed maggot) 2 13
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 10
ALT Signal Score 2.81
Weighted ALT Signal Score 2.92

Diary photos

Physical Chemical Trends

Last data:
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