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

OVENS RIVER AT TARRAWINGEE BRIDGE 39900

Source	EPA Victoria
Latest Sample Date	08-12-1998
Taxa count ORDER	9
Taxa count FAMILY	14
Taxa count ALT	14
Mayflies present?	26
	ORDER	FAMILY	ALT
SIGNAL	5	5.6	4.2
Weighted SIGNAL	6		5.5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	47.35%	157,617,205,378m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	24.69%	82,202,053,286m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	16.25%	54,097,962,431m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	5.59%	18,610,979,058m²
	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	3.80%	12,637,066,027m²
	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	1.55%	5,147,175,066m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover	0.55%	1,824,223,443m²
	Intensive Pastoral Farming	5.2.5 Aquaculture, 5.2.6 Horse studs	0.06%	194,997,161m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.06%	194,997,161m²
	Water	6.1.0 Lake	0.06%	184,747,310m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.03%	87,748,723m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.01%	38,499,440m²
	Mining	5.8.2 Quarries	0.01%	38,249,443m²
Show minor land uses 8
				3,328,759,039m²

Waterbug sample history

Sampled on 8 December 1998

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Oligochaeta LO	9	2
Oligochaeta (Unident.) LO999999	9
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OT	1
Palaemonidae (Unident.) OT029999	1

Coleoptera QC	4	5
Elmidae (Unident.) QC349999	4

Diptera QD	77	3
Simuliidae (Unident.) QD109999	66

Orthocladiinae (Unident.) QDAF9999	10
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	26	9
Baetidae (Unident.) QE029999	13
Coloburiscidae (Unident.) QE059999	4
Leptophlebiidae (Unident.) QE069999	4
Caenidae (Unident.) QE089999	5
Plecoptera QP	5	10
Gripopterygidae (Unident.) QP039999	5
Trichoptera QT	10	8
Hydrobiosidae (Unident.) QT019999	10

SIGNALT	5.0
	ORDER
Weighted SIGNALT	5.6

Sampled on 10 March 1998

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	5	2
Dugesiidae (Unident.) IF619999	5
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OT	1
Palaemonidae (Unident.) OT029999	1

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Diptera QD	30	3
Simuliidae (Unident.) QD109999	8

Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	8
Chironominae (Unident.) QDAJ9999	10
Ephemeroptera QE	11	9
Baetidae (Unident.) QE029999	2
Caenidae (Unident.) QE089999	9
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Trichoptera QT	37	8
Hydropsychidae (Unident.) QT069999	24
Ecnomidae (Unident.) QT089999	13

SIGNALT	4.2
	ORDER
Weighted SIGNALT	5.3