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

DAWSON RIVER AT CHARVEL ROAD CROSSING 1303167

Source	MIV
Latest Sample Date	11-05-2000
Taxa count ORDER	11
Taxa count FAMILY	21
Taxa count ALT	21
Mayflies present?	18
	ORDER	FAMILY	ALT
SIGNAL	3.7	4.6	3.2
Weighted SIGNAL	4.7		4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	78.41%	2,227,517,940,361m²
	Forestry	2.2.0 Production native forests	10.31%	293,025,038,433m²
	Natural	1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	6.14%	174,508,927,346m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.4.0 Irrigated perennial horticulture	4.85%	137,645,798,313m²
	Water	6.1.0 Lake, 6.1.1 Lake - conservation, 6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.2.3 Evaporation basin, 6.3.0 River, 6.3.1 River - conservation, 6.5.0 Marsh/wetland	0.18%	5,234,232,824m²
	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, 5.4.4 Remote communities, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.6.6 Gas treatment, storage and transmission, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.5 Navigation and communication	0.07%	2,010,743,402m²
	Mining	5.8.0 Mining, 5.8.2 Quarries, 5.8.3 Tailings	0.02%	565,498,144m²
	Industrial	5.3.0 Manufacturing and industrial, 5.5.1 Commercial services	0.01%	221,749,272m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots, 5.2.5 Aquaculture	0.01%	173,999,429m²
	Pastoral Farming	3.2.1 Native/exotic pasture mosaic	0.00%	32,499,893m²
	Waste Management	5.9.0 Waste treatment and disposal	0.00%	28,749,906m²
	Unknown	3.6.0 Land in transition, 3.6.3 Land under rehabilitation	0.00%	18,999,938m²
Show minor land uses 8
				28,409,841,773m²

Waterbug sample history

Sampled on 11 May 2000

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	10	1
Hydrobiidae (Unident.) KG029999	2
Thiaridae (Unident.) KG049999	8
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OT	1
Palaemonidae (Unident.) OT029999	1

Decapoda OZ	1	4
CRUSTACEA (Unident.) OZ999999	1
Diptera QD	28	3
Tabanidae (Unident.) QD239999	7
Chironomidae (Unident.)(Larva) QDAZ9999	6
Diptera (Unident.)(Larva) QDZZ9999	15

Ephemeroptera QE	18	9
Baetidae (Unident.) QE029999	6
Leptophlebiidae (Unident.) QE069999	2
Caenidae (Unident.) QE089999	10
Hemiptera QH	10	2
Corixidae (Unident.) QH659999	10
Odonata QO	17	3
Coenagrionidae (Unident.) QO029999	2
Gomphidae (Unident.) QO139999	10
Libellulidae (Unident.) QO179999	5
Trichoptera QT	12	8
Hydroptilidae (Unident.) QT039999	3
Hydropsychidae (Unident.) QT069999	6
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	2

SIGNALT	3.7
	ORDER
Weighted SIGNALT	4.3