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NOTICE: SIGNALT Calculations are currently running through final testing and may be inaccurate until completed.

at the end of Sewells Road u/s of proposed works WER1344

Source	Melbourne Water
Latest Sample Date	11-04-2012
Taxa count ORDER	4
Taxa count FAMILY	8
Taxa count ALT	8
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	3.2	2.8	1.2
Weighted SIGNAL	2.2		4.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	37.97%	51,445,896,840m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	18.67%	25,288,241,540m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	16.80%	22,753,492,974m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	15.79%	21,392,377,989m²
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds, 3.3.8 Pulses, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.4.0 Irrigated perennial horticulture, 4.5.3 Irrigated seasonal vegetables and herbs	4.81%	6,513,103,935m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	1.99%	2,698,482,325m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	1.23%	1,663,584,981m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.6 Horse studs	0.75%	1,017,899,030m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.75%	1,017,649,055m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.4 Bulk grain storage, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.42%	567,693,688m²
	Minimal Use	1.3.0 Other minimal use	0.40%	547,195,721m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.36%	482,202,168m²
	Mining	5.8.2 Quarries	0.05%	63,743,677m²
	Intensive Arable Farming	5.1.1 Production nurseries, 5.1.3 Glasshouses	0.02%	22,247,793m²
Show minor land uses 9
				1,354,738,117m²

Waterbug sample history

Sampled on 11 April 2012

Taxa	Abundance	SIGNALT Grade
Unknown OT	26
Atyidae (Unident.) OT019999	26

Diptera QD	3	3
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	2
Hemiptera QH	35	2
Veliidae (Unident.) QH569999	2
Nepidae (Unident.) QH619999	1
Corixidae (Unident.) QH659999	30
Notonectidae (Unident.) QH679999	2
Trichoptera QT	24	8
Leptoceridae (Unident.) QT259999	24

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.3

Sampled on 22 May 2008

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	8	1
Hydrobiidae (Unident.) KG029999	5
Planorbidae (Unident.) KG079999	2
Physidae (Unident.) KG089999	1
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	48	3
Ceinidae (Unident.) OP029999	18

Eusiridae (Unident.) OP039999	30

Unknown OT	10
Atyidae (Unident.) OT019999	10

Coleoptera QC	6	5
Dytiscidae (Unident.) QC099999	6
Hemiptera QH	19	2
Veliidae (Unident.) QH569999	8
Corixidae (Unident.) QH659999	9
Notonectidae (Unident.) QH679999	2
Odonata QO	1	3
Coenagrionidae (Unident.) QO029999	1

SIGNALT	2.6
	ORDER
Weighted SIGNALT	2.4