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

WERRIBEE RIVER (LOWER) D/S WERRIBEE WER1390

Source	Melbourne Water
Latest Sample Date	03-10-1997
Taxa count ORDER	13
Taxa count FAMILY	23
Taxa count ALT	23
Mayflies present?	16
	ORDER	FAMILY	ALT
SIGNAL	3.4	3.3	2
Weighted SIGNAL	3.6		3.1

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	36.71%	53,050,723,559m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.6 Protected landscape, 1.1.7 Other conserved area	18.19%	26,293,382,666m²
	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, 5.7.4 Ports and water transport, 5.7.5 Navigation and communication	18.15%	26,232,888,113m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	15.74%	22,753,701,362m²
	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	5.58%	8,065,273,840m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	1.87%	2,698,507,039m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	1.15%	1,663,600,217m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.73%	1,057,404,796m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.70%	1,017,658,375m²
	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	0.40%	574,198,302m²
	Minimal Use	1.3.0 Other minimal use	0.38%	547,200,733m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.33%	482,206,584m²
	Mining	5.8.2 Quarries	0.04%	63,744,261m²
	Intensive Arable Farming	5.1.1 Production nurseries, 5.1.3 Glasshouses	0.02%	22,247,997m²
Show minor land uses 9
				1,445,284,873m²

Waterbug sample history

Sampled on 3 October 1997

Taxa	Abundance	SIGNALT Grade
Unknown IB	2
Hydridae (Unident.) IB019999	2
Turbellaria IF	6	2
Dugesiidae (Unident.) IF619999	6
Gastropoda KG	22	1
Hydrobiidae (Unident.) KG029999	2
Planorbidae (Unident.) KG079999	13
Physidae (Unident.) KG089999	7
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	7	6
Mites (Unident.) MM999999	7

Amphipoda OP	12	3
Paracalliopidae (Unident.) OP049999	12

Unknown OT	8
Atyidae (Unident.) OT019999	8

Coleoptera QC	7	5
Dytiscidae (Unident.) QC099999	1
Gyrinidae (Unident.) QC109999	6

Diptera QD	15	3
Ceratopogonidae (Unident.) QD099999	2

Tanypodinae (Unident.) QDAE9999	5
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	7
Ephemeroptera QE	16	9
Caenidae (Unident.) QE089999	16
Hemiptera QH	44	2
Veliidae (Unident.) QH569999	4
Corixidae (Unident.) QH659999	38
Notonectidae (Unident.) QH679999	2
Odonata QO	8	3
Coenagrionidae (Unident.) QO029999	7
Isostictidae (Unident.) QO039999	1
Trichoptera QT	16	8
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	15

SIGNALT	3.4
	ORDER
Weighted SIGNALT	3.6

Sampled on 1 May 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	13	1
Hydrobiidae (Unident.) KG029999	2
Planorbidae (Unident.) KG079999	10
Physidae (Unident.) KG089999	1
Acarina MM	4	6
Mites (Unident.) MM999999	4

Amphipoda OP	6	3
Paracalliopidae (Unident.) OP049999	6

Unknown OT	8
Atyidae (Unident.) OT019999	8

Unknown OX	1
Hymenostomatidae (Unident.) OX019999	1

Coleoptera QC	3	5
Dytiscidae (Unident.) QC099999	3
Diptera QD	14	3
Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	11
Chironomidae (Unident.) (Pupa) QDAZ999I	2
Ephemeroptera QE	3	9
Caenidae (Unident.) QE089999	3
Hemiptera QH	92	2
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	90
Odonata QO	8	3
Coenagrionidae (Unident.) QO029999	7
Epiproctophora (Unident.) QO999998	1
Trichoptera QT	18	8
Leptoceridae (Unident.) QT259999	18

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.5