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  6. 07-01-2018

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 7th January 2018 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
85.43%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1020µS/cm
pH
7.9pH Units
Reactive Phosphate (mg/L)
0.08mg/L P
Temperature - AIR
24.8° C
Temperature - WATER
25.3° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
 
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 10
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 15
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 5
Image
c. Family Isostictidae (Damselfly nymph) 3 8
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 4 6
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 6
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 2
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 100
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 9
Image
e. Phylum Turbellaria ( flatworms) 1 3
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 5
Image
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs) 9 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 100
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 21
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 6
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 12
ALT Signal Score 3.55
Weighted ALT Signal Score 3.56

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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