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  6. 11-06-2016

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Saturday 11th June 2016 9:30am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
8mg/L
Temperature - AIR
10° C
Temperature - WATER
10° C
Turbidity - NTU
300NTU

Water Conditions

Weather
Overcast
Last rainfall
During the last week 19.4
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Muddy,Smelly,Foamy/frothy,Stained brown
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
bottles,cans,packets,paper,plastic,polystyrene,other

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Dragonfly Nymph (Odonata) 6 1
Image
Water mites (Acarina) 5 1
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 2
Image
Freshwater Snails (Gastropoda) 3 1
Image
Leeches (Hirudinea) 3 1
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 12
Image
Segmented Worm (Oligochaeta) 1 10
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 29 Total score: 25 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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