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Catchments
Maribyrnong River Catchment
ME_MGH520
Site visits
30-07-2013
Garden Hut Creek@ Hennebergs rd Bridge
Melbourne
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ME_MGH520 Maribyrnong River Catchment
Tuesday 30th July 2013 13:00pm
Approved
Notes
Physical Chemical Tests
Ammonium
0
mg/L NH4+
Electrical Conductivity
400
µS/cm
pH
7
pH Units
Reactive Phosphate (mg/L)
0.2
mg/L P
Temperature - AIR
23
° C
Temperature - WATER
22
° C
Turbidity - NTU
9
NTU
Water Conditions
Weather
Cloudy
Last rainfall
During the last week
Flow estimate
MEDIUM: flow is normal/typical average flow
Water Appearance
Clear,Muddy,Scummy,Milky,Smelly,Oily,Foamy/frothy,Stained brown,Other: slimy
Stream depth
51cm - 99cm
Stream width
>5m
Hazards
Litter/Pollutants
other
Water Bugs
Agreed Level Taxonomy Method
Image
Species
Score
Quantity
a. Family Blephariceridae (bleffs)
10
1
a. Family Megapodagrionidae (Damselfly nymph)
5
5
a. Phylum Nematomorpha, (gordian worms)
5
10
b. Family Gerridae (water striders)
4
5
c. Family Atyidae (glass shrimp)
4
20
c. Family Sphaeriidae and Family Corbiculidae (basket and pea shells)
4
5
d. Family Ameletopsidae, Genus Mirawara (Mayfly - Purple Peril)
7
5
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail)
1
200
f. Family Gripopterygidae, Genus Illiesoperla (blond sprawler -stonefly nymph)
10
5
f. Order Amphipoda (scuds, sideswimmers)
3
20
g. Family Hydrophilidae (water scavenger beetle adult)
2
20
g. Family Leptophlebiidae, Genus Atalophlebia (leptophleb - Mayfly nymph)
5
5
g. Family Physidae, Species Physa acuta (snail)
1
100
g. Order Acarina, (water mites)
5
10
h. Family Dytiscidae, (taper-tailed tigers)
2
3
h. Family Telephlebiidae (teleflebs - Dragonfly nymphs)
9
5
i. Family Notonectidae , Genus Anisops (slender backswimmers)
1
10
j. Family Dytiscidae, various genera (little diving beetles)
1
5
j. Order Conchostraca (clam shrimp)
1
20
m. Family Calocidae, Species Caenota plicata (shingle caddis)
9
2
m. Family Corixidae , Genus Micronecta (little brindle boatman)
2
15
t. Family Leptoceridae, Genus Notalina (Headbanger caddis)
6
6
ALT
Signal Score
4.73
Weighted
ALT
Signal Score
3.98
Diary photos
No diary entries recorded for this visit
Physical Chemical Trends
Loading chart
Test 1
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Test 2
Ammonium
Dissolved Oxygen mg/L
Temperature - WATER
Temperature - AIR
pH
Electrical Conductivity
Reactive Phosphate (mg/L)
Dissolved Oxygen % Saturation
Turbidity - NTU
Mininum standard
Any level
Level 1
Level 2
Level 3
Level 4
Start date
First data:
End date
Last data:
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30-06-2013
30-07-2013
31-07-2013
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