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WaterWatch Data Portal

ME_YMR118 Yarra River Catchment

Thursday 13th December 2012 12:29pm Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
77.8%
Dissolved Oxygen mg/L
6.4mg/L
Electrical Conductivity
1166µS/cm
pH
7.82pH Units
Reactive Phosphate (mg/L)
0.17mg/L P
Temperature - AIR
33.5° C
Temperature - WATER
25.3° C
Turbidity - NTU
2NTU

Water Conditions

Weather
Cloudy
Last rainfall
More than a week ago
Flow estimate
 
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
bottles,packets,plastic

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 4 5
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 2
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 40
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 5
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 10
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 25
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 7
e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) 3 1
Image
e. Phylum Turbellaria ( flatworms) 1 12
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 3
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 10
Image
g. Order Isopoda, Family Janiridae (water slaters) 3 1
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) 2 2
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 6
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 1
ALT Signal Score 2.82
Weighted ALT Signal Score 2.62

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: