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WaterWatch Data Portal

ME_YMR112 Yarra River Catchment

Sunday 5th March 2023 14:00pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
118.66%
Dissolved Oxygen mg/L
10mg/L
Electrical Conductivity
1550µS/cm
pH
8.2pH Units
Reactive Phosphate (mg/L)
0.03mg/L P
Temperature - AIR
36.5° C
Temperature - WATER
23.7° C
Turbidity - NTU
13NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Muddy
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 Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 4
Image
c. Family Isostictidae (Damselfly nymph) 3 1
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 5 6
Image
d. Family Hymenosomatidae (five cent crab, false spider crab) 3 4
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 30
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) 3 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 30
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 10
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 1
l. Family Corixidae , Genus Sigara (striped boatman) l. Family Corixidae , Genus Sigara (striped boatman) 4 5
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 2
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) 3 30
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 15
ALT Signal Score 3.38
Weighted ALT Signal Score 3.95

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: