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  6. 10-04-2019

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Wednesday 10th April 2019 10:30am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
6mg/L
Temperature - AIR
15° C
Temperature - WATER
16° C
Turbidity - NTU
10NTU

Water Conditions

Weather
Cloudy
Last rainfall
During the last 24 hours 3.50
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear,Smelly,Foamy/frothy,Oily,Other
Stream depth
Other:60cm
Stream width
Other:3.33m
Hazards
 
Litter/Pollutants
bottles,oil,paper,plastic,cans,clothing,packets,polystyrene,other: 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) 1 20
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 2
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 19
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 22
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 1
Image
e. Phylum Turbellaria ( flatworms) 1 2
h. Family Notonectidae , Genus Enithares (robust backswimmers) h. Family Notonectidae , Genus Enithares (robust backswimmers) 3 3
Image
i. Family Stratiomyidae (soldier fly larvae) 2 1
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 15
n. Family Ephydridae and Sciomyzidae (wetland maggots) n. Family Ephydridae and Sciomyzidae (wetland maggots) 1 1
ALT Signal Score 1.70
Weighted ALT Signal Score 2.00

Diary photos

Physical Chemical Trends

Last data:
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