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WaterWatch Data Portal

ME_YMR112 Yarra River Catchment

Sunday 5th January 2020 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
44.62%
Dissolved Oxygen mg/L
4mg/L
Electrical Conductivity
1390µS/cm
pH
7.8pH Units
Reactive Phosphate (mg/L)
0.25mg/L P
Temperature - AIR
16.7° C
Temperature - WATER
20.5° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours 4.00
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Stained brown
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 30
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 25
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 1 3
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 5
Image
d. Family Simuliidae (black fly larvae) 5 3
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 1
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 30
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 20
Image
f. Order Amphipoda (scuds, sideswimmers) 3 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 30
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 6
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 4
h. Family Planorbidae, various genera (planorbids - snails) h. Family Planorbidae, various genera (planorbids - snails) 1 1
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 3
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 3
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 30
m. Family Syrphidae (rat tailed maggot) m. Family Syrphidae (rat tailed maggot) 2 2
o. Family Corixidae genus Agraptocorixa (static boatmen) o. Family Corixidae genus Agraptocorixa (static boatmen) 1 1
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 10
ALT Signal Score 2.74
Weighted ALT Signal Score 3.29

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: