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  6. 16-04-2020

Lake Wendouree, Olympic precinct, at isthus

Corangamite

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CO_LWN070 Barwon River Catchment

Thursday 16th April 2020 12:55pm Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
83.92%
Dissolved Oxygen mg/L
8.6mg/L
Electrical Conductivity
1783µS/cm
pH
8.6pH Units
Reactive Phosphate (mg/L)
0.015mg/L P
Temperature - AIR
18° C
Temperature - WATER
14° C
Turbidity - NTU
2.53NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last 24 hours
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
1m - 2m
Stream width
 
Hazards
Covid 19
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 20
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 10
Image
e. Family Hydroptilidae (micro caddis) 4 5
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 2
e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) 2 1
Image
e. Phylum Turbellaria ( flatworms) 1 15
Image
f. Order Amphipoda (scuds, sideswimmers) 3 100
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 10
Image
g. Order Acarina, (water mites) 5 5
l. Family Corixidae , Genus Sigara (striped boatman) l. Family Corixidae , Genus Sigara (striped boatman) 4 5
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 100
n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) 5 4
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 40
ALT Signal Score 3.08
Weighted ALT Signal Score 3.18

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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