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ME_YML045 Yarra River Catchment

Tuesday 31st October 2017 10:00am 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
Image
a. Family Hydropsychidae (net spinning caddis) 6 13
b. Family Ecnomidae, Genus Ecnomus (bandit caddis) b. Family Ecnomidae, Genus Ecnomus (bandit caddis) 6 7
Image
c. Family Hydrobiosidae (hunter caddis) 8 13
Image
c. Phylum Annelida, class Hirudinea, (leeches) 1 1
Image
d. Family Simuliidae (black fly larvae) 5 5
d. Phylum Annelida, class Oligochaeta, (worms) d. Phylum Annelida, class Oligochaeta, (worms) 2 20
e. Family Chironomidae, several genera (blood worms) e. Family Chironomidae, several genera (blood worms) 4 8
e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) e. Family Hydrobiidae - Potamopyrgus antipodarum (species - snail) 3 1
e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) 1 21
Image
e. Phylum Turbellaria ( flatworms) 1 1
f. Corduliid / libellulid like dragonflies - various families (spider mud eye) f. Corduliid / libellulid like dragonflies - various families (spider mud eye) 4 2
Image
f. Family Lymnaeidae (lim nay ids - snail) 1 1
Image
f. Order Araneae ( fishing and wolf spiders) 5 1
g. Family Chironomidae (chironomids - True Fly larvae) g. Family Chironomidae (chironomids - True Fly larvae) 4 47
g. Family Physidae, Species Physa acuta (snail) g. Family Physidae, Species Physa acuta (snail) 2 15
i. Family Dytiscidae, (two-tailed tigers) i. Family Dytiscidae, (two-tailed tigers) 6 1
j. Family Dytiscidae, (nosey tigers) j. Family Dytiscidae, (nosey tigers) 3 3
Image
j. Family Dytiscidae, various genera (little diving beetles) 1 5
k. Family Dytiscidae, various genera (mixed diving beetles) k. Family Dytiscidae, various genera (mixed diving beetles) 4 4
m. Family Corixidae , Genus Micronecta (little brindle boatman) m. Family Corixidae , Genus Micronecta (little brindle boatman) 3 2
ALT Signal Score 3.50
Weighted ALT Signal Score 3.69

Diary photos

No diary entries recorded for this visit

Physical Chemical Trends

Last data: