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

LACHLAN RIVER @ Eurimbirra 65791

Source	Office of Environment and Heritage
Latest Sample Date	20-10-2006
Taxa count ORDER	15
Taxa count FAMILY	32
Taxa count ALT	32
Mayflies present?	34
	ORDER	FAMILY	ALT
SIGNAL	2.7	3.5	2.3
Weighted SIGNAL	5		3.8

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	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	50.34%	193,865,901,279m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	39.33%	151,435,789,874m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives	5.79%	22,290,939,866m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 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	2.02%	7,781,566,281m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland, 6.5.1 Marsh/wetland - conservation	1.83%	7,052,810,073m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity	0.47%	1,813,265,445m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	0.14%	520,254,431m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 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	0.04%	150,251,280m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.03%	97,000,826m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.5.1 Commercial services	0.01%	42,250,360m²
	Waste Management	5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.00%	15,000,128m²
	Forestry	3.1.0 Plantation forests	0.00%	10,250,087m²
Show minor land uses 9
				3,850,752,799m²

Waterbug sample history

Sampled on 20 October 2006

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Temnocephalidae (Unident.) IF419999	2
Gastropoda KG	3	1
Planorbidae (Unident.) KG079999	1
Physidae (Unident.) KG089999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OG	1
Cladocera (Unident.) OG999999	1
Unknown OH	13
Ostracoda (Unident.) OH999999	13
Unknown OJ	1
Copepoda (Unident.) OJ999999	1
Unknown OT	4
Atyidae (Unident.) OT019999	4

Unknown OV	4
Parastacidae (Unident.) OV019999	4

Coleoptera QC	48	5
Dytiscidae (Unident.) QC099999	19
Hydrophilidae (Unident.) QC119999	15

Hydraenidae (Unident.) QC139999	3

Staphylinidae (Unident.) QC189999	1
Scirtidae (Unident.) QC209999	10

Diptera QD	69	3
Tipulidae (Unident.) QD019999	3
Ceratopogonidae (Unident.) QD099999	10

Psychodidae (Unident.) QD129999	1

Sciomyzidae (Unident.) QD459999	1

Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	48
Ephemeroptera QE	34	9
Baetidae (Unident.) QE029999	2
Leptophlebiidae (Unident.) QE069999	15
Caenidae (Unident.) QE089999	17
Hemiptera QH	21	2
Veliidae (Unident.) QH569999	7
Corixidae (Unident.) QH659999	5
Notonectidae (Unident.) QH679999	9
Odonata QO	2	3
Coenagrionidae (Unident.) QO029999	1
Isostictidae (Unident.) QO039999	1
Trichoptera QT	10	8
Hydroptilidae (Unident.) QT039999	3
Leptoceridae (Unident.) QT259999	7

SIGNALT	2.7
	ORDER
Weighted SIGNALT	3.5