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  6. 03-09-2020

Lake Wendouree, Olympic precinct, at isthus

Corangamite

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CO_LWN070 Barwon River Catchment

Thursday 3rd September 2020 10:45am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
88.37%
Dissolved Oxygen mg/L
9.7mg/L
Electrical Conductivity
1422µS/cm
pH
8.7pH Units
Reactive Phosphate (mg/L)
0.03mg/L P
Temperature - AIR
14° C
Temperature - WATER
11° C
Turbidity - NTU
4.41NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
1m - 2m
Stream width
> 5m
Hazards
 
Litter/Pollutants
plastic

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 3 6
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 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 1
Image
e. Family Hydroptilidae (micro caddis) 4 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 5
Image
e. Order Isopoda, Family Phraetoicidae, (phraetoicids, cow shrimp) 4 1
Image
e. Phylum Turbellaria ( flatworms) 1 25
Image
f. Order Amphipoda (scuds, sideswimmers) 3 100
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 3
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 10
Image
g. Order Acarina, (water mites) 5 5
Image
i. Family Stratiomyidae (soldier fly larvae) 2 1
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 50
n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) 5 5
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 5
ALT Signal Score 3.00
Weighted ALT Signal Score 2.85

Diary photos

Physical Chemical Trends

Last data:
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