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  6. 06-01-2019

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 6th January 2019 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
87.97%
Dissolved Oxygen mg/L
6mg/L
Electrical Conductivity
830µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
21° C
Temperature - WATER
22.9° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
 
Water Appearance
Stained brown,Muddy
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 4
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 1
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 2
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 30
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 25
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 30
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 6
Image
g. Order Acarina, (water mites) 5 2
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 2
h. Family Planorbidae, various genera (planorbids - snails) h. Family Planorbidae, various genera (planorbids - snails) 2 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 3
o. Family Corixidae genus Agraptocorixa (static boatmen) o. Family Corixidae genus Agraptocorixa (static boatmen) 6 25
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 1
ALT Signal Score 3.40
Weighted ALT Signal Score 2.94

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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