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  6. 30-11-2016

Bittern Dam, near dam wall and catch drain

Melbourne

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ME_EBI100 Bunyip River Catchment

Wednesday 30th November 2016 10:30am Approved
Notes

Water Conditions

Weather
Cloudy
Last rainfall
During the last week 5.50
Flow estimate
LOW: Minimum flow in channel/continuous flow in some part of channel (in-stream habitats connected)
Water Appearance
Clear
Stream depth
0 - 50cm
Stream width
Other:
Hazards
 
Litter/Pollutants
 

Habitat

The far side of dam(from survey site) is being revegetated, the near side has a mix of indigenous and introduced flora (pine trees) 

Bank Erosion Stability Bank Vegetation In Stream Cover Riffles Pools Bends Verge Vegetation Overall
Excellent 5 Fair 6 VeryPoor 2 VeryPoor 1 Fair 6 20

Water Bugs WaterWatch method

Image Species Score Quantity
Image
Caddis-fly Larvae (Trichoptera) 7 4
Image
Mayfly nymph (Ephemeroptera) 7 2
Image
Damselfly Nymph (Odonata) 6 1
Image
Dragonfly Nymph (Odonata) 6 1
Image
Freshwater Shrimp/Prawn (Atyidae) 5 3
Image
Water mites (Acarina) 5 2
Image
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 2
Image
Beetle larvae (Coleoptera) 4 1
Image
Freshwater Snails (Gastropoda) 3 2
Image
Side Swimmer/Scud (Amphipoda) 4 30
Image
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 22
Image
Biting Midge Larvae (Diptera) 2 1
Image
Non Biting Midge Larvae - Bloodworms (Diptera) 1 1
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 72 Total score: 57 Overall rating: Good

Diary photos

We think the creature 3rd from the left is a very small dragon fly nymph??

Physical Chemical Trends

Last data:
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