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  6. 05-10-2014

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 5th October 2014 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
100%
Dissolved Oxygen mg/L
9mg/L
Electrical Conductivity
1010µS/cm
pH
8.6pH Units
Reactive Phosphate (mg/L)
0.07mg/L P
Temperature - AIR
21.9° C
Temperature - WATER
19.1° 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 6
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 1
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 10
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 3
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 5
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 30
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 4
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 100
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 1
Image
l. Family Dytiscidae, various genera (stealth diving beetles) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 2
ALT Signal Score 2.92
Weighted ALT Signal Score 2.96

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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