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

Lachlan River @ Straneys Bridge LACH14

Source	Office of Environment and Heritage
Latest Sample Date	19-03-1996
Taxa count ORDER	5
Taxa count FAMILY	6
Taxa count ALT	6
Mayflies present?	1
	ORDER	FAMILY	ALT
SIGNAL	3.8	4	2.5
Weighted SIGNAL	5		5

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, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	30.93%	665,005,918,889m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	30.40%	653,613,915,996m²
	Arable Farming	3.3.0 Cropping, 3.3.3 Hay and silage, 3.3.5 Sugar, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.4 Vine fruits, 3.4.9 Grapes, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming	28.09%	603,829,653,352m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity, 1.2.2 Surface water supply	3.88%	83,336,521,165m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	2.23%	48,040,512,201m²
	Water	6.1.0 Lake, 6.1.1 Lake - conservation, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.2.3 Evaporation basin, 6.3.0 River, 6.4.0 Channel/aqueduct, 6.5.0 Marsh/wetland, 6.5.1 Marsh/wetland - conservation	2.10%	45,191,511,477m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 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, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways	1.54%	33,212,758,435m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.3 Other forest plantation, 3.1.4 Environmental forest plantation	0.58%	12,521,753,180m²
	Mining	5.8.0 Mining, 5.8.1 Mines, 5.8.2 Quarries, 5.8.3 Tailings	0.12%	2,566,000,652m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.1 Dairy sheds and yards, 5.2.2 Feedlots, 5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.5 Aquaculture, 5.2.6 Horse studs, 5.2.7 Saleyards/stockyards	0.06%	1,323,500,336m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.4 Bulk grain storage, 5.3.5 Abattoirs, 5.3.6 Oil refinery, 5.3.7 Sawmill, 5.5.1 Commercial services	0.03%	748,500,190m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.1 Effluent pond, 5.9.2 Landfill, 5.9.3 Solid garbage, 5.9.5 Sewage/sewerage	0.01%	187,500,048m²
	Unknown	3.6.0 Land in transition, 3.6.5 Abandoned perennial horticulture, 4.6.5 Abandoned irrigated perennial horticulture, 5.2.8 Abandoned intensive animal production, 5.8.4 Extractive industry not in use	0.01%	178,000,045m²
	Intensive Arable Farming	5.1.1 Production nurseries, 5.1.2 Shadehouses	0.00%	11,750,003m²
Show minor land uses 10
				21,497,677,960m²

Waterbug sample history

Sampled on 19 March 1996

Taxa	Abundance	SIGNALT Grade
Unknown OT	4
Palaemonidae (Unident.) OT029999	4

Coleoptera QC	25	5
Dytiscidae (Unident.) QC099999	22
Hydraenidae (Unident.) QC139999	3

Diptera QD	18	3
Chironominae (Unident.) QDAJ9999	18
Ephemeroptera QE	1	9
Baetidae (Unident.) QE029999	1
Hemiptera QH	33	2
Corixidae (Unident.) QH659999	33

SIGNALT	3.8
	ORDER
Weighted SIGNALT	3.3

Sampled on 8 November 1995

Taxa	Abundance	SIGNALT Grade
Coleoptera QC	26	5
Dytiscidae (Unident.) QC099999	5
Hydrophilidae (Unident.) QC119999	12

Hydraenidae (Unident.) QC139999	1

Staphylinidae (Unident.) QC189999	8
Diptera QD	10	3
Diptera (Unident.)(Larva) QDZZ9999	10

Hemiptera QH	27	2
Corixidae (Unident.) QH659999	27

SIGNALT	3.3
	ORDER
Weighted SIGNALT	3.4

Sampled on 27 March 1995

Taxa	Abundance	SIGNALT Grade
Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OT	10
Palaemonidae (Unident.) OT029999	10

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	24	5
Dytiscidae (Unident.) QC099999	3
Hydrophilidae (Unident.) QC119999	18

Hydraenidae (Unident.) QC139999	3

Diptera QD	8	3
Orthocladiinae (Unident.) QDAF9999	5
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	3	9
Baetidae (Unident.) QE029999	3
Hemiptera QH	122	2
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	120
Trichoptera QT	2	8
Leptoceridae (Unident.) QT259999	2

SIGNALT	3.4
	ORDER
Weighted SIGNALT	3.3

Sampled on 29 October 1994

Taxa	Abundance	SIGNALT Grade
Unknown OG	1
Cladocera (Unident.) OG999999	1
Unknown OT	13
Atyidae (Unident.) OT019999	10

Palaemonidae (Unident.) OT029999	3

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	13	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	12

Diptera QD	16	3
Orthocladiinae (Unident.) QDAF9999	16
Ephemeroptera QE	6	9
Leptophlebiidae (Unident.) QE069999	1
Caenidae (Unident.) QE089999	5
Hemiptera QH	46	2
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	45
Trichoptera QT	1	8
Leptoceridae (Unident.) QT259999	1

SIGNALT	3.4
	ORDER
Weighted SIGNALT	3.3