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

BROKEN RIVER AT COSGROVE ROAD 68800

Source	EPA Victoria
Latest Sample Date	06-11-2002
Taxa count ORDER	7
Taxa count FAMILY	10
Taxa count ALT	11
Mayflies present?	9
	ORDER	FAMILY	ALT
SIGNAL	4.7	5.3	3.8
Weighted SIGNAL	7.2	5	4.8

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	53.67%	134,872,203,376m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	17.45%	43,862,180,024m²
	Residential And Infrastructure	5.4.0 Residential and farm 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, 5.7.0 Transport and communication, 5.7.2 Roads, 5.7.5 Navigation and communication	6.65%	16,700,330,035m²
	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, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.3.4 Irrigated oilseeds, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.3 Irrigated tree nuts, 4.4.4 Irrigated vine fruits, 4.4.9 Irrigated grapes, 4.5.3 Irrigated seasonal vegetables and herbs	6.60%	16,587,074,406m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	6.12%	15,390,014,910m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	4.81%	12,085,100,650m²
	Water	6.1.0 Lake, 6.2.1 Reservoir, 6.3.0 River, 6.3.1 River - conservation, 6.4.0 Channel/aqueduct, 6.4.1 Supply channel/aqueduct, 6.5.0 Marsh/wetland	3.75%	9,414,967,940m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.35%	872,043,342m²
	Intensive Pastoral Farming	5.2.1 Dairy sheds and yards, 5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.33%	824,290,969m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover	0.15%	377,018,738m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.06%	149,257,418m²
	Unknown	3.6.4 No defined use, 4.6.0 Irrigated land in transition	0.05%	114,255,679m²
	Waste Management	5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.03%	67,253,343m²
Show minor land uses 6
				2,513,159,908m²

Waterbug sample history

Sampled on 6 November 2002

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OT	2
Palaemonidae (Unident.) OT029999	2

Coleoptera QC	3	5
Elmidae (Unident.) QC349999	1

Elmidae (Unident.)(Larvae) QC34999I	2

Diptera QD	30	3
Orthocladiinae (Unident.) QDAF9999	29
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	9	9
Baetidae (Unident.) QE029999	3
Caenidae (Unident.) QE089999	6
Trichoptera QT	10	8
Hydropsychidae (Unident.) QT069999	9
Ecnomidae (Unident.) QT089999	1

SIGNALT	4.7
	ORDER
Weighted SIGNALT	5.3

Sampled on 3 April 2002

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	3	3
Corbiculina sp.(Unident.) KP020199	2
Sphaerium sp.(Unident.) KP030299	1
Oligochaeta LO	13	2
Oligochaeta (Unident.) LO999999	13
Unknown OT	2
Macrobrachium sp.(Unident.) OT020199	2

Coleoptera QC	4	5
Coxelmis sp.(Unident.) QC340599	4

Diptera QD	27	3
Austrosimulium bancrofti QD100101	6

Simulium sp.(Unident.) QD100299	2

Nanocladius sp.(Unident.) QDAF0499	1
Cardiocladius sp.(Unident.) QDAF1499	8
Cricotopus sp.(Unident.) QDAF1599	3
Cladotanytarsus sp.(Unident.) QDAH0399	2
Tanytarsus sp.(Unident.) QDAH0499	1
Paratanytarsus sp.(Unident.) QDAH0699	2
Rheotanytarsus sp.(Unident.) QDAH0799	2
Ephemeroptera QE	9	9
Baetidae MV/EPA sp.5 QE0201A5	6
Atalophlebia albiterminata QE060101	1
Tasmanocoenis sp.(Unident.) QE080199	2
Hemiptera QH	1	2
Micronecta sp.(Unident.) QH650599	1
Trichoptera QT	49	8
Cheumatopsyche sp.(Unident.) QT060599	1
Cheumatopsyche sp.AV6 QT0605A6	45
Ecnomus sp.(Unident.) QT080499	1
Triaenodes sp.(Unident.) QT251099	2

SIGNALT	4.0
	ORDER
Weighted SIGNALT	4.7