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  6. 04-02-2018

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 4th February 2018 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.03mg/L NH4+
Dissolved Oxygen % Saturation
85.66%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
700µS/cm
pH
8pH Units
Reactive Phosphate (mg/L)
0.15mg/L P
Temperature - AIR
28.7° C
Temperature - WATER
25.5° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
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) 6 100
Image
a. Family Hyriidae (freshwater mussels) 5 2
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 2
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 2
Image
c. Family Isostictidae (Damselfly nymph) 3 1
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 2
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 3
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 15
Image
e. Phylum Turbellaria ( flatworms) 1 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 21
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 2
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 4
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 1
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 3
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 20
ALT Signal Score 3.29
Weighted ALT Signal Score 3.58

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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