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

Willandra Ck @ Willandra Homestead LACH121

Source	Office of Environment and Heritage
Latest Sample Date	02-12-1998
Taxa count ORDER	5
Taxa count FAMILY	8
Taxa count ALT	8
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	2.6	2.2	1.9
Weighted SIGNAL	1.3		2.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.2 Stock route, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	69.97%	260,852,541,651m²
	Arable Farming	3.3.0 Cropping, 4.3.0 Irrigated cropping, 4.3.6 Irrigated cotton, 4.4.0 Irrigated perennial horticulture	15.64%	58,324,206,494m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection	9.15%	34,116,017,021m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.2 Woody fodder plants, 4.2.0 Grazing irrigated modified pastures	1.89%	7,032,555,043m²
	Water	6.2.0 Reservoir/dam, 6.3.0 River, 6.4.0 Channel/aqueduct, 6.4.1 Supply channel/aqueduct, 6.5.0 Marsh/wetland	1.58%	5,881,546,034m²
	Forestry	2.2.0 Production native forests	0.65%	2,405,018,824m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure, 5.7.0 Transport and communication, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	0.35%	1,321,010,339m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.03%	95,250,746m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production	0.00%	1,500,012m²
Show minor land uses 6
				3,728,099,179m²

Waterbug sample history

Sampled on 2 December 1998

Taxa	Abundance	SIGNALT Grade
Unknown OT	59
Atyidae (Unident.) OT019999	46

Palaemonidae (Unident.) OT029999	13

Unknown OV	6
Parastacidae (Unident.) OV019999	6

Diptera QD	2	3
Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	1
Hemiptera QH	53	2
Veliidae (Unident.) QH569999	1
Notonectidae (Unident.) QH679999	52
Trichoptera QT	2	8
Leptoceridae (Unident.) QT259999	2

SIGNALT	2.6
	ORDER
Weighted SIGNALT	1.4

Sampled on 19 May 1998

Taxa	Abundance	SIGNALT Grade
Unknown OT	61
Atyidae (Unident.) OT019999	58

Palaemonidae (Unident.) OT029999	3

Coleoptera QC	3	5
Dytiscidae (Unident.) QC099999	2
Hydraenidae (Unident.) QC139999	1

Diptera QD	1	3
Tanypodinae (Unident.) QDAE9999	1
Hemiptera QH	5	2
Corixidae (Unident.) QH659999	4
Notonectidae (Unident.) QH679999	1
Odonata QO	2	3
Odonata (Unident.) QO999999	2
Trichoptera QT	2	8
Leptoceridae (Unident.) QT259999	2

SIGNALT	3.5
	ORDER
Weighted SIGNALT	2.3

Our waterways under the magnifying glass

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