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WaterWatch Data Portal

CO_LWN040 Barwon River Catchment

Wednesday 22nd April 2015 12:25pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
71.88%
Dissolved Oxygen mg/L
7.8mg/L
Electrical Conductivity
1420µS/cm
pH
8.4pH Units
Reactive Phosphate (mg/L)
0.02mg/L P
Temperature - AIR
12° C
Temperature - WATER
11.5° C
Turbidity - NTU
0.71NTU

Water Conditions

Weather
Sunny
Last rainfall
 
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
1m - 2m
Stream width
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 50
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 2
Image
e. Family Hydroptilidae (micro caddis) 4 50
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 50
Image
e. Phylum Turbellaria ( flatworms) 1 10
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 1
Image
f. Order Amphipoda (scuds, sideswimmers) 3 200
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 10
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 25
Image
g. Order Acarina, (water mites) 5 30
h. Family Dytiscidae, Genus Australphilus (Beetle adult) h. Family Dytiscidae, Genus Australphilus (Beetle adult) 7 1
j. Family Dytiscidae, (nosey tigers) j. Family Dytiscidae, (nosey tigers) 2 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 100
n. Family Corixidae , Species Diaprepocoris  (Barry four-eyes) n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) 6 2
r. Family Leptoceridae, Genus Oecetis (log cabin caddis) r. Family Leptoceridae, Genus Oecetis (log cabin caddis) 6 1
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 20
ALT Signal Score 3.69
Weighted ALT Signal Score 3.35

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: