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

Lachlan River d/s Wyangala Dam LACH512

Source	Office of Environment and Heritage
Latest Sample Date	03-12-1997
Taxa count ORDER	3
Taxa count FAMILY	9
Taxa count ALT	9
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	3.3	3.3	1
Weighted SIGNAL	3.1		2

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	42.72%	351,090,224,751m²
	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	38.73%	318,294,813,642m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity	5.99%	49,233,241,861m²
	Arable Farming	3.3.0 Cropping, 3.3.3 Hay and silage, 3.3.5 Sugar, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives, 4.5.4 Irrigated turf farming	3.86%	31,701,905,737m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	3.22%	26,437,129,874m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland, 6.5.1 Marsh/wetland - conservation	2.75%	22,642,361,232m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation	1.48%	12,130,059,590m²
	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	1.22%	10,006,299,157m²
	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	0.02%	178,750,878m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.02%	142,000,698m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.5.1 Commercial services	0.01%	51,500,253m²
	Waste Management	5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.00%	16,750,082m²
Show minor land uses 7
				8,219,250,378m²

Waterbug sample history

Sampled on 3 December 1997

Taxa	Abundance	SIGNALT Grade
Coleoptera QC	17	5
Dytiscidae (Unident.) QC099999	10
Hydrophilidae (Unident.) QC119999	6

Heteroceridae (Unident.) QC369999	1
Diptera QD	59	3
Tipulidae (Unident.) QD019999	1
Psychodidae (Unident.) QD129999	1

Chironominae (Unident.) QDAJ9999	57
Hemiptera QH	123	2
Veliidae (Unident.) QH569999	3
Corixidae (Unident.) QH659999	117
Notonectidae (Unident.) QH679999	3

SIGNALT	3.3
	ORDER
Weighted SIGNALT	3.2

Sampled on 7 May 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	22	1
Physidae (Unident.) KG089999	22
Unknown OT	2
Atyidae (Unident.) OT019999	2

Coleoptera QC	13	5
Dytiscidae (Unident.) QC099999	6
Hydrophilidae (Unident.) QC119999	6

Scirtidae (Unident.) QC209999	1

Diptera QD	99	3
Tipulidae (Unident.) QD019999	1
Tanypodinae (Unident.) QDAE9999	7
Orthocladiinae (Unident.) QDAF9999	54
Chironominae (Unident.) QDAJ9999	37
Hemiptera QH	50	2
Veliidae (Unident.) QH569999	10
Corixidae (Unident.) QH659999	40
Trichoptera QT	16	8
Hydroptilidae (Unident.) QT039999	5
Leptoceridae (Unident.) QT259999	11

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.4