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  6. 06-12-2015

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 6th December 2015 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0.07mg/L NH4+
Dissolved Oxygen % Saturation
83.65%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
1420µS/cm
pH
7.7pH Units
Reactive Phosphate (mg/L)
0.17mg/L P
Temperature - AIR
29.6° C
Temperature - WATER
24.1° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
 
Water Appearance
 
Stream depth
0 - 50cm
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 100
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 6
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 5
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 4 5
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 5
Image
d. Family Simuliidae (black fly larvae) 5 2
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 50
Image
e. Phylum Turbellaria ( flatworms) 1 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 10
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 30
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 5 1
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 2
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 10
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 6
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 100
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 100
ALT Signal Score 3.24
Weighted ALT Signal Score 3.50

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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