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  6. 07-07-2019

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 7th July 2019 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
89.44%
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
760µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.12mg/L P
Temperature - AIR
18.1° C
Temperature - WATER
10.3° C
Turbidity - NTU
80NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
 
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 5
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 25
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 2
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 2
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 5
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 6
Image
e. Phylum Turbellaria ( flatworms) 1 2
Image
f. Family Lymnaeidae (lim nay ids - snail) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 5
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 5
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 9
h. Family Planorbidae, various genera (planorbids - snails) h. Family Planorbidae, various genera (planorbids - snails) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 20
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 12
ALT Signal Score 2.79
Weighted ALT Signal Score 3.44

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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