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  6. 19-02-2017

Nerreman Wetland @ Eltham

Melbourne

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ME_YDI833 Yarra River Catchment

Sunday 19th February 2017 11:15am Approved
Notes

Physical Chemical Tests

Dissolved Oxygen mg/L
3.5mg/L
Temperature - AIR
18° C
Temperature - WATER
17° C
Turbidity - NTU
20NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week 12.70
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Foamy/frothy,Stained brown,Oily,Other
Stream depth
0 - 50cm
Stream width
2m - 5m
Hazards
 
Litter/Pollutants
bottles,oil,paper,plastic,cans,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) 3 5
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
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 20
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 5 7
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 4
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
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 12
ALT Signal Score 2.64
Weighted ALT Signal Score 2.67

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data:
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