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WaterWatch Data Portal

ME_YMR190 Yarra River Catchment

Wednesday 17th April 2013 11:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
108%
Dissolved Oxygen mg/L
11.14mg/L
Electrical Conductivity
1116µS/cm
pH
8.39pH Units
Reactive Phosphate (mg/L)
0.07mg/L P
Temperature - AIR
21° C
Temperature - WATER
14.6° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week
Flow estimate
HIGH: Less than bankfull and in-stream habitats connected
Water Appearance
Stream depth
51cm - 99cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
a. Family Hydropsychidae (net spinning caddis) 6 50
Image
a. Family Psephenidae, Genus Sclerocyphon (water pennies) 6 3
c. Family Atyidae (glass shrimp) c. Family Atyidae (glass shrimp) 4 20
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells) 4 2
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 2
Image
d. Family Simuliidae (black fly larvae) 5 100
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 5
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 20
Image
e. Phylum Turbellaria ( flatworms) 1 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 5
Image
f. Order Amphipoda (scuds, sideswimmers) 3 100
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 20
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 20
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 10
h. Family Planorbidae, various genera (planorbids - snails) h. Family Planorbidae, various genera (planorbids - snails) 2 2
i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) 5 1
i. Family Dytiscidae, (two-tailed tigers) i. Family Dytiscidae, (two-tailed tigers) 2 1
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 2
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 100
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 20
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 3
ALT Signal Score 3.57
Weighted ALT Signal Score 3.59

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: