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  6. 02-02-2014

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 2nd February 2014 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
115%
Dissolved Oxygen mg/L
8mg/L
Electrical Conductivity
1520µS/cm
pH
8.5pH Units
Reactive Phosphate (mg/L)
0.18mg/L P
Temperature - AIR
39.1° C
Temperature - WATER
29° C
Turbidity - NTU
11NTU

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
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 21
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 5
Image
c. Family Isostictidae (Damselfly nymph) 3 6
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 4
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 21
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 3
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 10
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 21
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 9
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 3
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 21
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 4
ALT Signal Score 3.25
Weighted ALT Signal Score 3.15

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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