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  6. 17-04-2013

Merri Creek @Ceres East Brunswick

Melbourne

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ME_YMR118 Yarra River Catchment

Wednesday 17th April 2013 15:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
89.8%
Dissolved Oxygen mg/L
8.6mg/L
Electrical Conductivity
930µS/cm
pH
8.18pH Units
Reactive Phosphate (mg/L)
0.12mg/L P
Temperature - AIR
21.5° C
Temperature - WATER
17° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
2m - 5m
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 3
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 20
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 1
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 100
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 20
Image
e. Phylum Turbellaria ( flatworms) 1 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 6
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 50
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 2
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 8
ALT Signal Score 3.46
Weighted ALT Signal Score 3.89

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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