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  5. 30-09-2011

ME_YDI833 Nerreman Wetland @ Eltham

30 September 2011

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 Friday 30th September 2011 08:30am
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 0.35 9 560 7.3 0.1 13.6 13.8 27
Weather cloudy
Last rainfall During the last week 56
Flow estimate Moderate
Water Appearance Muddy,Foamy/frothy
Stream depth
Stream width
Hazards
Litter/Pollutants bottles,cans,packets,paper,polystyrene,other
Upstream drain water flowing fast, with small patch of bubbles at drain enterance Water appearance: rings enclosing bubble on the lake Litter: lots of balls plastic bottles, polystyrene pieces in the pit drain. What has changed: Higher ammonium and lower EC and new plantings observed beside creek. And woody weeds growing on steep bank beside dam wall. Ohter obs: Birds {Buff Banded Rail in flattened cumbingi area; Black duck with duckling; Chestnut teal, Galahs, Rainbow Lorikeets, Noisy Miners, Spotted Turtle doves}

Creatures Waterwatch method

Image Species Score Quantity
Chironomids Chironomids 1 110
Damselfly Nymph (Odonata) Damselfly Nymph (Odonata) 6 1
Freshwater slater (Isopoda) Freshwater slater (Isopoda) 5 8
Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) Aquatic Beetles - Diving Beetles, Whirligig Beetles (Coleoptera) 3 10
Flatworms (Turbellaria) 3 8
Freshwater Snails (Gastropoda) Freshwater Snails (Gastropoda) 3 24
Leeches (Hirudinea) Leeches (Hirudinea) 3 2
Roundworms (Nematoda) Roundworms (Nematoda) 3 1
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) 4 1
Segmented Worm (Oligochaeta) Segmented Worm (Oligochaeta) 1 12
Total bug score
Total abundance 0 - 35 35+
0 - 200 Poor Good
200+ Fair Very good
Total abundance: 177 Total score: 30 Overall rating: Poor

Diary photos

No diary entries recorded for this visit

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