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  6. 07-02-2016

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

Melbourne

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ME_YMR112 Yarra River Catchment

Sunday 7th February 2016 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
85.96%
Dissolved Oxygen mg/L
7mg/L
Electrical Conductivity
620µS/cm
pH
8pH Units
Reactive Phosphate (mg/L)
0.2mg/L P
Temperature - AIR
27.3° C
Temperature - WATER
25.7° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
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 6
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 4 4
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 1
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 15
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 3
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 12
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 12
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 3
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 4
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 21
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 21
ALT Signal Score 3.15
Weighted ALT Signal Score 3.72

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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