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  6. 01-02-2015

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 1st February 2015 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.085mg/L NH4+
Dissolved Oxygen % Saturation
60%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
550µS/cm
pH
8.7pH Units
Reactive Phosphate (mg/L)
0.14mg/L P
Temperature - AIR
19° C
Temperature - WATER
20.7° C
Turbidity - NTU
14NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last 24 hours
Flow estimate
 
Water Appearance
Muddy,Oily
Stream depth
51cm - 99cm
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 21
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 40
Image
c. Family Isostictidae (Damselfly nymph) 3 6
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 50
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 7
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 10
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 5
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 6
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 4 2
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 4 15
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 10
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 21
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 21
ALT Signal Score 3.29
Weighted ALT Signal Score 3.46

Diary photos

Physical Chemical Trends

Last data:
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