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  6. 04-01-2015

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 4th January 2015 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
75%
Dissolved Oxygen mg/L
6mg/L
Electrical Conductivity
1030µS/cm
pH
7.8pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - AIR
24° C
Temperature - WATER
25.5° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last 24 hours
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 25
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 7
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 1
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 6
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) 4 100
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 25
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 1
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 25
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 4
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 4 4
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 2
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 25
m. Family Syrphidae (rat tailed maggot) m. Family Syrphidae (rat tailed maggot) 2 1
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 100
ALT Signal Score 2.89
Weighted ALT Signal Score 3.28

Diary photos

Physical Chemical Trends

Last data:
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