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CO_BRO023 Lake Colac Catchment

Tuesday 23rd April 2013 10:30am Approved
Notes

Water Conditions

Weather
Last rainfall
 
Flow estimate
 
Water Appearance
 
Stream depth
 
Stream width
 
Hazards
 
Litter/Pollutants
 

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 2
Image
d. Family Hymenosomatidae (five cent crab, false spider crab) 3 1
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 1 1
Image
f. Order Amphipoda (scuds, sideswimmers) 3 4
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 3 30
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 1 8
Image
g. Order Acarina, (water mites) 5 20
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k. Family Dixidae ('U' bent midges) 7 2
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l. Family Culicidae (mosquito larvae, wrigglers) 1 8
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 2 20
q. Family Leptoceridae, Genus Triplectides (stick caddis) q. Family Leptoceridae, Genus Triplectides (stick caddis) 4 4
ALT Signal Score 3.09
Weighted ALT Signal Score 3.19

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: