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

Ral Ral Ave bridge 7494

Source	Australian Water Quality Centre
Latest Sample Date	11-07-1997
Taxa count ORDER	4
Taxa count FAMILY	5
Taxa count ALT	6
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	2.8	3.2	2
Weighted SIGNAL	5	5	3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.4.0 Perennial horticulture, 3.4.2 Olives, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.3 Irrigated tree nuts, 4.4.6 Irrigated perennial flowers and bulbs, 4.4.8 Irrigated citrus, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.3 Irrigated seasonal vegetables and herbs	32.81%	1,753,079,621m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	22.91%	1,224,055,594m²
	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, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads	17.54%	937,042,558m²
	Unknown	3.6.0 Land in transition, 3.6.1 Degraded land, 3.6.3 Land under rehabilitation, 3.6.4 No defined use, 4.6.0 Irrigated land in transition, 4.6.1 Degraded irrigated land, 4.6.2 Abandoned irrigated land	7.13%	380,767,294m²
	Natural	1.1.4 Natural feature protection, 1.1.7 Other conserved area	6.13%	327,514,875m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.2 Woody fodder plants, 4.2.0 Grazing irrigated modified pastures, 4.2.3 Irrigated legume/grass mixtures, 4.2.4 Irrigated sown grasses	4.49%	239,760,889m²
	Mining	5.8.2 Quarries	4.06%	216,759,845m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.2 Food processing factory, 5.5.1 Commercial services	1.69%	90,254,099m²
	Water	6.1.3 Lake - intensive use, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.3.3 River - intensive use, 6.4.2 Drainage channel/aqueduct, 6.5.0 Marsh/wetland	1.68%	90,004,088m²
	Forestry Plantation	3.1.3 Other forest plantation, 3.1.4 Environmental forest plantation	0.80%	42,751,942m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.1 Effluent pond, 5.9.3 Solid garbage	0.43%	22,751,033m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.6 Horse studs	0.19%	10,000,454m²
	Intensive Arable Farming	5.1.2 Shadehouses	0.10%	5,250,238m²
	Forestry	2.2.2 Other forest production	0.06%	3,250,148m²
Show minor land uses 7
				53,432,427m²

Waterbug sample history

Sampled on 12 December 1997

Taxa	Abundance	SIGNALT Grade
Nematoda II	1	3
Nematoda (Unident.) II999999	1
Coleoptera QC	15	5
Necterosoma penicillatus QC092001	3

Necterosoma sp.(Unident.)(Larva) QC09209I	9

Enochrus sp.(Unident.) QC111199	3

Diptera QD	461	3
Tanytarsus sp.(Unident.) QDAH0499	461
Unknown VF	1
Unknown VF000099	1

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.5

Sampled on 11 July 1997

Taxa	Abundance	SIGNALT Grade
Amphipoda OP	3	3
Austrochiltonia australis OP020101	3

Coleoptera QC	6	5
Necterosoma dispar QC092005	3

Necterosoma sp.(Unident.)(Larva) QC09209I	3

Diptera QD	1457	3
Culicoides sp.(Unident.) QD090899	34

Dasyhelea sp.1 (MV sp.4) QD0929A1	2

Procladius sp.(Unident.) QDAE0899	313
Tanytarsus sp.(Unident.) QDAH0499	1106
Chironomus sp.(Unident.) QDAI0499	2

Hemiptera QH	3	2
Micronecta gracilis QH650503	2
Micronecta sp.(Unident.) QH650599	1
Odonata QO	1	3
Coenagrionidae (Unident.) QO029999	1
Trichoptera QT	1	8
Leptoceridae (Unident.) QT259999	1

SIGNALT	4.0
	ORDER
Weighted SIGNALT	3.6