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  6. 08-01-2017

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 8th January 2017 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
91.41%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
950µS/cm
pH
8.4pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
29° C
Temperature - WATER
29.1° C
Turbidity - NTU
11NTU

Water Conditions

Weather
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Stained brown,Muddy
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) 6 100
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 1
Image
c. Family Isostictidae (Damselfly nymph) 3 2
Image
d. Family Simuliidae (black fly larvae) 5 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 20
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 3
Image
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) 9 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 14
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 5
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 3 10
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 40
ALT Signal Score 4.23
Weighted ALT Signal Score 4.19

Diary photos

Physical Chemical Trends

Last data:
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