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  6. 16-04-2016

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Saturday 16th April 2016 9:45am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
3.5mg/L
Temperature - AIR
19° C
Temperature - WATER
15.5° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 0.7
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear,Smelly,Stained brown,Other: dusty on surface. Stained pale 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
Damselfly Nymph (Odonata) 6 3
Image
Dragonfly Nymph (Odonata) 6 2
Flatworms (Turbellaria) Flatworms (Turbellaria) 3 8
Image
Freshwater Snails (Gastropoda) 3 5
Image
Leeches (Hirudinea) 3 6
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 19
Image
Biting Midge Larvae (Diptera) 2 2
Image
Fly Larvae -True, Black, Crane, March, Horse, and Soldier Fly Larvae (Diptera) 2 3
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 5
Image
Segmented Worm (Oligochaeta) 1 21
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 74 Total score: 30 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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