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  6. 24-03-2018

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Saturday 24th March 2018 9:30am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
6mg/L
Temperature - AIR
23° C
Temperature - WATER
20° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 0.00
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear,Scummy,Smelly,Foamy/frothy,Other
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
bottles,paper,plastic,cans,packets,polystyrene,other: Various balls including polystyrene balls.

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) 3 2
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 2
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 15
Image
e. Phylum Turbellaria ( flatworms) 1 10
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 1
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 1
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 1 20
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 1
ALT Signal Score 2.33
Weighted ALT Signal Score 2.53

Diary photos

Physical Chemical Trends

Last data:
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