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

OVENS RIVER AT BOLAND ROAD 49400

Source	EPA Victoria
Latest Sample Date	27-04-2012
Taxa count ORDER	8
Taxa count FAMILY	11
Taxa count ALT	11
Mayflies present?	23
	ORDER	FAMILY	ALT
SIGNAL	4.9	5.5	4.1
Weighted SIGNAL	7		4.8

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	35.93%	221,169,995,418m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	30.59%	188,307,080,419m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	20.38%	125,449,971,177m²
	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, 5.7.5 Navigation and communication	5.60%	34,472,398,592m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	4.04%	24,882,996,345m²
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds, 3.4.0 Perennial horticulture, 3.4.3 Tree nuts, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.9 Irrigated grapes, 4.5.3 Irrigated seasonal vegetables and herbs	2.76%	17,009,576,606m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover	0.45%	2,776,721,694m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.3 Major industrial complex, 5.3.5 Abattoirs, 5.3.7 Sawmill, 5.5.1 Commercial services	0.07%	431,495,601m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.06%	387,496,050m²
	Water	6.1.0 Lake	0.04%	222,997,727m²
	Intensive Pastoral Farming	5.2.5 Aquaculture, 5.2.6 Horse studs	0.03%	194,998,012m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.03%	166,498,303m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.02%	153,748,433m²
Show minor land uses 8
				6,156,259,744m²

Waterbug sample history

Sampled on 27 April 2012

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Unknown OT	18
Atyidae (Unident.) OT019999	18

Coleoptera QC	2	5
Elmidae (Unident.) QC349999	2

Diptera QD	31	3
Simuliidae (Unident.) QD109999	30

Orthocladiinae (Unident.) QDAF9999	1
Ephemeroptera QE	23	9
Baetidae (Unident.) QE029999	20
Coloburiscidae (Unident.) QE059999	1
Leptophlebiidae (Unident.) QE069999	2
Hemiptera QH	3	2
Corixidae (Unident.) QH659999	3
Plecoptera QP	2	10
Gripopterygidae (Unident.) QP039999	2
Trichoptera QT	2	8
Hydropsychidae (Unident.) QT069999	2

SIGNALT	4.9
	ORDER
Weighted SIGNALT	4.3

Sampled on 18 December 2011

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Oligochaeta LO	5	2
Oligochaeta (Unident.) LO999999	5
Acarina MM	5	6
Mites (Unident.) MM999999	5

Diptera QD	30	3
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	28
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	35	9
Baetidae (Unident.) QE029999	17
Leptophlebiidae (Unident.) QE069999	10
Caenidae (Unident.) QE089999	8
Trichoptera QT	21	8
Hydrobiosidae (Unident.) QT019999	1
Hydroptilidae (Unident.) QT039999	2
Hydropsychidae (Unident.) QT069999	18

SIGNALT	5.2
	ORDER
Weighted SIGNALT	6.0