Waterwatch Data Portal
ME_WLR350 Lerderderg River at O'Briens Crossing in Lerderderg State Park
27 May 2017
Site visit details
Overview
| Catchment | Werribee River |
|---|---|
| Site | Lerderderg River at O'Briens Crossing in Lerderderg State Park ME_WLR350 |
| Date and Time | Saturday 27th May 2017 10:00am |
| Approved | Approved |
Physical Chemical Tests
No physical chemical tests recorded on this visit
| Ammon-Nit mg/L NH3-N | D.O. % | D.O mg/L | EC µS/cm | FrP mg/L P | Nitrate-Nit mg/L N | pH pH Units | Air ° C | Water ° C | Turb NTU | |
|---|---|---|---|---|---|---|---|---|---|---|
| Sample |
| Weather | |
|---|---|
| Last rainfall | |
| Flow estimate | |
| Water Appearance | |
| Stream depth | |
| Stream width | |
| Hazards | |
| Litter/Pollutants |
Creatures Agreed Level Taxonomy Method
| Image | Species | Score | Quantity |
|---|---|---|---|
|
a. Family Megapodagrionidae (Damselfly nymph) | 5 | 1 |
| b. Family Ecnomidae, Genus Ecnomus (bandit caddis) | 6 | 2 | |
| c. Family Atyidae (glass shrimp) | 3 | 6 | |
| c. Family Veliidae/ Family Mesoveliidae/ Family Hebridae (water treaders) | 1 | 3 | |
|
c. Phylum Annelida, class Hirudinea, (leeches) | 1 | 1 |
| d. Family Planorbidae, various genera (flat snails) | 1 | 1 | |
|
d. Family Simuliidae (black fly larvae) | 5 | 3 |
| d. Phylum Annelida, class Oligochaeta, (worms) | 2 | 6 | |
| e. Family Chironomidae, several genera (blood worms) | 4 | 1 | |
|
e. Family Hydroptilidae (micro caddis) | 4 | 3 |
| e. Family Lestidae and Family Coenagrionidae (Damselfly nymph) | 1 | 20 | |
| e. Family Nepidae, Genus Ranatra (slender water scorpions/stick bug) | 2 | 2 | |
|
e. Phylum Turbellaria ( flatworms) | 1 | 11 |
| f. Family Atriplectididae, Genus Atriplectides (vulture caddis) | 7 | 1 | |
|
f. Family Ceratopogonidae (pogs) | 4 | 1 |
|
f. Order Amphipoda (scuds, sideswimmers) | 3 | 20 |
| g. Family Chironomidae (chironomids - True Fly larvae) | 4 | 1 | |
| g. Family Leptophlebiidae, Genus Atalophlebia (leptophleb - Mayfly nymph) | 10 | 3 | |
| g. Family Physidae, Species Physa acuta (snail) | 2 | 10 | |
|
g. Order Acarina, (water mites) | 5 | 1 |
| h. Family Gripopterygidae, various genera (gripops or fluffy bums - Stonefly nymphs) | 9 | 6 | |
|
h. Family Helicopsychidae, Genus Helicopsyche (snail caddis) | 8 | 2 |
| h. Family Notonectidae , Genus Enithares (robust backswimmers) | 3 | 2 | |
| h. Family Planorbidae, various genera (planorbids - snails) | 1 | 2 | |
|
h. Order Megaloptera, Family Corydalidae (toebiters) | 10 | 1 |
| i. Family Aeshnidae (Dragonfly nymph - Couta mud eye) | 4 | 1 | |
| k. Family Dytiscidae, various genera (mixed diving beetles) | 4 | 3 | |
|
m. Family Calocidae, Species Caenota plicata (shingle caddis) | 9 | 1 |
| m. Family Corixidae , Genus Micronecta (little brindle boatman) | 3 | 2 | |
|
n. Family Leptoceridae, Species Lectrides varians (flat shack caddis) | 4 | 3 |
|
p. Family Leptoceridae Unidentified, various genera (Caddis fly larvae) | 6 | 5 |
| q. Family Leptoceridae, Genus Triplectides (stick caddis) | 3 | 5 | |
|
t. Family Leptoceridae, Genus Notalina (Headbanger caddis) | 6 | 20 |
| ALT Signal Score | 4.27 | ||
| Weighted ALT Signal Score | 3.98 | ||
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