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  6. 01-11-2015

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 1st November 2015 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.3mg/L NH4+
Dissolved Oxygen % Saturation
79.58%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1220µS/cm
pH
8.5pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
20.3° C
Temperature - WATER
21.5° C
Turbidity - NTU
14NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours
Flow estimate
 
Water Appearance
Milky,Stained green
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 21
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 6
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 21
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 2
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 21
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 5
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 2 5
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 4
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 7
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 40
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 21
ALT Signal Score 3.00
Weighted ALT Signal Score 3.32

Diary photos

Physical Chemical Trends

Last data:
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