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WaterWatch Data Portal

CO_LWN040 Barwon River Catchment

Wednesday 13th April 2016 11:00am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen % Saturation
64.13%
Dissolved Oxygen mg/L
6.5mg/L
Electrical Conductivity
1808µS/cm
pH
7.9pH Units
Reactive Phosphate (mg/L)
0.007mg/L P
Temperature - AIR
15° C
Temperature - WATER
14.5° C
Turbidity - NTU
3.62NTU

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
 
Hazards
 
Litter/Pollutants
 

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 60
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 1
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 20
d. Family Philopotamidae / Family Polycentropodidae/Family Ecnomidae  (ginger nuts) d. Family Philopotamidae / Family Polycentropodidae/Family Ecnomidae (ginger nuts) 8 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 5
Image
e. Phylum Turbellaria ( flatworms) 1 50
Image
f. Order Amphipoda (scuds, sideswimmers) 3 500
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 5
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 10
Image
g. Order Acarina, (water mites) 5 10
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 1
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 500
n. Family Corixidae , Species Diaprepocoris  (Barry four-eyes) n. Family Corixidae , Species Diaprepocoris (Barry four-eyes) 6 5
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 1
ALT Signal Score 2.80
Weighted ALT Signal Score 2.66

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: