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

Gwydir R @ Boolooroo Weir 65231

Source	Office of Environment and Heritage
Latest Sample Date	02-05-2006
Taxa count ORDER	12
Taxa count FAMILY	27
Taxa count ALT	27
Mayflies present?	15
	ORDER	FAMILY	ALT
SIGNAL	3.5	3.8	2.7
Weighted SIGNAL	3.5		3.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	56.11%	694,751,296,082m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.2 Woody fodder plants, 3.2.3 Pasture legumes, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	25.43%	314,890,540,681m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits, 3.4.2 Olives, 3.4.9 Grapes, 3.5.0 Seasonal horticulture, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.2 Irrigated olives, 4.4.3 Irrigated tree nuts, 4.4.9 Irrigated grapes, 4.5.2 Irrigated seasonal flowers and bulbs	12.90%	159,753,027,967m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	3.14%	38,831,128,333m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.4.0 Channel/aqueduct, 6.4.1 Supply channel/aqueduct, 6.5.0 Marsh/wetland	0.88%	10,852,535,867m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	0.73%	9,064,779,958m²
	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, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways	0.73%	8,991,779,717m²
	Mining	5.8.0 Mining, 5.8.1 Mines, 5.8.2 Quarries	0.04%	474,751,569m²
	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, 5.2.7 Saleyards/stockyards	0.03%	328,001,084m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.4 Bulk grain storage, 5.5.1 Commercial services	0.01%	110,000,364m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.1 Effluent pond, 5.9.5 Sewage/sewerage	0.00%	53,500,177m²
	Unknown	3.6.5 Abandoned perennial horticulture, 5.2.8 Abandoned intensive animal production, 5.8.4 Extractive industry not in use	0.00%	43,000,142m²
	Forestry Plantation	3.1.2 Softwood plantation forestry, 3.1.4 Environmental forest plantation	0.00%	14,750,049m²
	Intensive Arable Farming	5.1.0 Intensive horticulture	0.00%	250,001m²
Show minor land uses 10
				12,381,593,420m²

Waterbug sample history

Sampled on 2 May 2006

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	6	1
Physidae (Unident.) KG089999	6
Bivalvia KP	1	3
Corbiculidae (Unident.) KP029999	1
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OJ	3
Copepoda (Unident.) OJ999999	3
Isopoda OR	9	2
Corallanidae OR099999	9
Unknown OT	23
Atyidae (Unident.) OT019999	8

Palaemonidae (Unident.) OT029999	15

Coleoptera QC	31	5
Dytiscidae (Unident.) QC099999	2
Hydrophilidae (Unident.) QC119999	15

Hydraenidae (Unident.) QC139999	10

Staphylinidae (Unident.) QC189999	2
Hydrochidae (Unident.) QCAO9999	2

Diptera QD	37	3
Ceratopogonidae (Unident.) QD099999	4

Tabanidae (Unident.) QD239999	1
Tanypodinae (Unident.) QDAE9999	9
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	20
Ephemeroptera QE	15	9
Baetidae (Unident.) QE029999	8
Leptophlebiidae (Unident.) QE069999	6
Caenidae (Unident.) QE089999	1
Hemiptera QH	29	2
Veliidae (Unident.) QH569999	12
Gerridae (Unident.) QH579999	9
Corixidae (Unident.) QH659999	8
Odonata QO	17	3
Coenagrionidae (Unident.) QO029999	10
Protoneuridae (Unident.) QO049999	6
Libellulidae (Unident.) QO179999	1
Trichoptera QT	9	8
Leptoceridae (Unident.) QT259999	9

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.4