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WaterWatch Data Portal

ME_YDI833 Yarra River Catchment

Sunday 22nd January 2017 10:30am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
4mg/L
Temperature - AIR
27° C
Temperature - WATER
18.5° C
Turbidity - NTU
30NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 31.60
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Smelly,Other
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
bottles,paper,plastic,cans,packets,polystyrene,other: balls

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 3
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 20
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 1 100
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 40
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 2
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 2
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 3
i. Family Dytiscidae, (two-tailed tigers) i. Family Dytiscidae, (two-tailed tigers) 2 1
j. Family Dytiscidae, (nosey tigers) j. Family Dytiscidae, (nosey tigers) 2 1
m. Family Syrphidae (rat tailed maggot) m. Family Syrphidae (rat tailed maggot) 1 1
ALT Signal Score 2.80
Weighted ALT Signal Score 2.52

Diary photos

Physical Chemical Trends

Last data: