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

Lachlan River u/s Cowra LACH11

Source	Office of Environment and Heritage
Latest Sample Date	19-03-1996
Taxa count ORDER	8
Taxa count FAMILY	12
Taxa count ALT	12
Mayflies present?	34
	ORDER	FAMILY	ALT
SIGNAL	3	3.9	2.9
Weighted SIGNAL	4		4

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	39.72%	425,245,182,131m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	39.47%	422,578,154,333m²
	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, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.9 Irrigated grapes, 4.5.4 Irrigated turf farming	8.32%	89,099,178,639m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection, 1.2.1 Biodiversity	4.77%	51,117,282,771m²
	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	2.62%	28,093,792,808m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	2.55%	27,285,534,384m²
	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	1.36%	14,525,151,389m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation	1.14%	12,164,126,781m²
	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	0.03%	283,002,950m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.02%	203,252,118m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.4 Bulk grain storage, 5.5.1 Commercial services	0.01%	73,000,761m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.00%	23,000,240m²
Show minor land uses 8
				10,706,906,593m²

Waterbug sample history

Sampled on 19 March 1996

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Unknown OG	2
Cladocera (Unident.) OG999999	2
Amphipoda OP	6	3
Eusiridae (Unident.) OP039999	6

Unknown OT	4
Atyidae (Unident.) OT019999	4

Coleoptera QC	9	5
Gyrinidae (Unident.) QC109999	9

Diptera QD	39	3
Simuliidae (Unident.) QD109999	1

Orthocladiinae (Unident.) QDAF9999	38
Ephemeroptera QE	34	9
Baetidae (Unident.) QE029999	28
Leptophlebiidae (Unident.) QE069999	1
Caenidae (Unident.) QE089999	5
Hemiptera QH	62	2
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	61

SIGNALT	3.0
	ORDER
Weighted SIGNALT	3.8

Sampled on 9 November 1995

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	1	1
Physidae (Unident.) KG089999	1
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown QA	1
Collembola (Unident.) QA999999	1
Coleoptera QC	2	5
Dytiscidae (Unident.) QC099999	2
Diptera QD	7	3
Ceratopogonidae (Unident.) QD099999	6

Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	11	9
Leptophlebiidae (Unident.) QE069999	3
Caenidae (Unident.) QE089999	8
Hemiptera QH	85	2
Veliidae (Unident.) QH569999	3
Corixidae (Unident.) QH659999	82
Odonata QO	3	3
Coenagrionidae (Unident.) QO029999	1
Megapodagrionidae (Unident.) QO079999	1
Gomphidae (Unident.) QO139999	1
Trichoptera QT	1	8
Leptoceridae (Unident.) QT259999	1

SIGNALT	3.9
	ORDER
Weighted SIGNALT	4.2

Sampled on 27 March 1995

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	5	1
Planorbidae (Unident.) KG079999	1
Physidae (Unident.) KG089999	4
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OT	16
Atyidae (Unident.) OT019999	16

Coleoptera QC	2	5
Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.) QC209999	1

Diptera QD	10	3
Orthocladiinae (Unident.) QDAF9999	8
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	5	9
Baetidae (Unident.) QE029999	2
Leptophlebiidae (Unident.) QE069999	1
Caenidae (Unident.) QE089999	2
Hemiptera QH	77	2
Mesoveliidae (Unident.) QH529999	1
Veliidae (Unident.) QH569999	23
Corixidae (Unident.) QH659999	52
Notonectidae (Unident.) QH679999	1
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Trichoptera QT	3	8
Leptoceridae (Unident.) QT259999	3

SIGNALT	3.8
	ORDER
Weighted SIGNALT	3.1

Sampled on 28 October 1994

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Gastropoda (Unident.) KG999999	2
Oligochaeta LO	19	2
Oligochaeta (Unident.) LO999999	19
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OT	20
Atyidae (Unident.) OT019999	18

Palaemonidae (Unident.) OT029999	2

Coleoptera QC	7	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	3

Hydraenidae (Unident.) QC139999	3

Diptera QD	39	3
Orthocladiinae (Unident.) QDAF9999	38
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	3	9
Baetidae (Unident.) QE029999	2
Leptophlebiidae (Unident.) QE069999	1
Hemiptera QH	11	2
Corixidae (Unident.) QH659999	9
Notonectidae (Unident.) QH679999	2
Trichoptera QT	1	8
Leptoceridae (Unident.) QT259999	1

SIGNALT	4.0
	ORDER
Weighted SIGNALT	3.2