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  6. 06-04-2014

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 6th April 2014 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.175mg/L NH4+
Dissolved Oxygen % Saturation
100%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
1140µS/cm
pH
7.8pH Units
Reactive Phosphate (mg/L)
0.18mg/L P
Temperature - AIR
26° C
Temperature - WATER
19.8° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
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) 6 100
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 2
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 30
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 4
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 30
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 4
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 6
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 5
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 5 6
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 25
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 4
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 100
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 1
ALT Signal Score 3.36
Weighted ALT Signal Score 3.12

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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