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  6. 03-03-2019

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 3rd March 2019 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
73.28%
Dissolved Oxygen mg/L
6mg/L
Electrical Conductivity
1280µS/cm
pH
8pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
38° C
Temperature - WATER
25.3° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
More than a week ago
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
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 10
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 6
Image
c. Family Isostictidae (Damselfly nymph) 3 2
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 4 2
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 3
Image
d. Family Simuliidae (black fly larvae) 5 5
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 25
Image
e. Phylum Turbellaria ( flatworms) 1 3
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 2
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 100
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 1
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 4
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 3
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 8
ALT Signal Score 3.57
Weighted ALT Signal Score 3.61

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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