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

OVENS RIVER AT EGANS 49915

Source	EPA Victoria
Latest Sample Date	27-04-2012
Taxa count ORDER	7
Taxa count FAMILY	12
Taxa count ALT	12
Mayflies present?	63
	ORDER	FAMILY	ALT
SIGNAL	5.3	5.8	3.7
Weighted SIGNAL	7.6		5.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	45.06%	158,265,440,625m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	23.86%	83,797,424,352m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	18.89%	66,367,096,091m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	5.32%	18,682,565,922m²
	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, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.5 Navigation and communication	4.26%	14,963,852,563m²
	Arable Farming	3.3.0 Cropping, 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	1.87%	6,573,685,230m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover	0.52%	1,840,481,866m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.06%	198,248,047m²
	Intensive Pastoral Farming	5.2.5 Aquaculture, 5.2.6 Horse studs	0.06%	194,998,079m²
	Water	6.1.0 Lake	0.05%	184,748,180m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.03%	101,249,002m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.01%	38,749,618m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.01%	38,499,621m²
Show minor land uses 8
				3,512,470,392m²

Waterbug sample history

Sampled on 27 April 2012

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Diptera QD	23	3
Simuliidae (Unident.) QD109999	20

Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	63	9
Baetidae (Unident.) QE029999	28
Coloburiscidae (Unident.) QE059999	20
Leptophlebiidae (Unident.) QE069999	15
Hemiptera QH	1	2
Corixidae (Unident.) QH659999	1
Odonata QO	1	3
Gomphidae (Unident.) QO139999	1
Plecoptera QP	3	10
Gripopterygidae (Unident.) QP039999	3
Trichoptera QT	31	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	30

SIGNALT	5.3
	ORDER
Weighted SIGNALT	6.3