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ME_YTW010 Yarra River Catchment

Sunday 20th October 2013 10:00am Approved
Notes

Physical Chemical Tests

Ammonium
0mg/L NH4+
Dissolved Oxygen % Saturation
58%
Dissolved Oxygen mg/L
5mg/L
Electrical Conductivity
430µS/cm
pH
7.4pH Units
Reactive Phosphate (mg/L)
0.1mg/L P
Temperature - AIR
25.5° C
Temperature - WATER
20.3° C
Turbidity - NTU
9NTU

Water Conditions

Weather
Sunny
Last rainfall
During the last week
Flow estimate
PERMANENT: wetlands and lakes
Water Appearance
Clear
Stream depth
1m - 2m
Stream width
>5m
Hazards
 
Litter/Pollutants

Water Bugs Agreed Level Taxonomy Method

Image Species Score Quantity
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 10
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) 1 100
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 2 1
Image
e. Phylum Turbellaria ( flatworms) 1 10
Image
f. Family Ceratopogonidae (pogs) 4 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 100
Image
g. Family Hydrophilidae (water scavenger beetle adult) 2 1
Image
g. Order Acarina, (water mites) 5 2
i. Family Notonectidae , Genus Anisops (slender backswimmers) i. Family Notonectidae , Genus Anisops (slender backswimmers) 1 2
k. Family Dytiscidae, (crawling water tigers) k. Family Dytiscidae, (crawling water tigers) 2 2
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 1 1
Image
l. Family Culicidae (mosquito larvae, wrigglers) 1 20
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 20
o. Family Corixidae genus Agraptocorixa (static boatmen) o. Family Corixidae genus Agraptocorixa (static boatmen) 6 20
Image
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) 6 5
Image
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) 6 10
ALT Signal Score 3.06
Weighted ALT Signal Score 2.91

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: