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  5. 17-07-2012

ME_YDI833 Nerreman Wetland @ Eltham

17 July 2012

Overview Notes Phy Chem Tests Creatures Diary Photos 0
Site visit details

Overview

Catchment Yarra River
Site Nerreman Wetland @ Eltham ME_YDI833
Date and Time Tuesday 17th July 2012 10:45am
Approved Approved

Notes

Physical Chemical Tests

Ammon-Nit mg/L NH3-N N mg/L NH4+ D.O mg/L EC µS/cm FrP mg/L P Nitrate-Nit mg/L N pH pH Units rP mg/L P Air ° C Water ° C Turb NTU
Sample 0.07 6 1200 7.3 0.08 9.5 7.1 9
Weather raining
Last rainfall During the last week 9.6
Flow estimate MEDIUM: flow is normal/typical average flow
Water Appearance Clear,Other: stained very pale yellow
Stream depth 1m - 2m
Stream width >5m
Hazards
Litter/Pollutants bottles,cans,packets,paper,plastic,polystyrene,other
Rubbish other: orange mesh, and hubcap. The water was much clearer than usual and the EC was much higher. Weeds had been sprayed in the area, Bridal creeper has put on a lot of growth, both sides of the bridge. Plastic and debris caught in lakeside vegetation when water level was much higher.

Creatures Waterwatch method

Image Species Score Quantity
Caddis-fly Larvae (Trichoptera) Caddis-fly Larvae (Trichoptera) 7 1
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 2
Dragonfly Nymph (Odonata) Dragonfly Nymph (Odonata) 6 1
Flatworms (Turbellaria) 3 22
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 3
Leeches (Hirudinea) Leeches (Hirudinea) 3 1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 17
Mosquito Larvae (Diptera) Mosquito Larvae (Diptera) 2 1
Non Biting Midge Larvae - Bloodworms (Diptera) Non Biting Midge Larvae - Bloodworms (Diptera) 1 39
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 87 Total score: 34 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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