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

Collie River - DS Rd Bridge CR-06

Source	Department of Water and Environment Regulation
Latest Sample Date	12-01-2009
Taxa count ORDER	10
Taxa count FAMILY	14
Taxa count ALT	16
Mayflies present?	17
	ORDER	FAMILY	ALT
SIGNAL	3.6	4.1	3.2
Weighted SIGNAL	5.6	8.5	4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests, 2.2.1 Wood production forestry, 3.1.0 Plantation forests	62.07%	179,015,866,703m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area	16.60%	47,874,632,933m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	7.24%	20,873,025,955m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	5.80%	16,735,971,260m²
	Arable Farming	3.3.0 Cropping, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.2 Irrigated olives, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture	3.60%	10,370,637,106m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	1.36%	3,921,301,842m²
	Mining	5.8.0 Mining, 5.8.1 Mines, 5.8.2 Quarries, 5.8.3 Tailings	1.24%	3,588,797,446m²
	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	1.15%	3,309,793,758m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.1 Fuel powered electricity generation, 5.6.5 Electricity substations and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads	0.82%	2,361,531,221m²
	Unknown	3.6.1 Degraded land, 4.6.0 Irrigated land in transition, 4.6.2 Abandoned irrigated land, 5.8.4 Extractive industry not in use	0.06%	165,502,188m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.5.1 Commercial services	0.06%	164,752,178m²
	Intensive Pastoral Farming	5.2.2 Feedlots, 5.2.4 Piggeries, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.01%	42,250,559m²
	Waste Management	5.9.3 Solid garbage, 5.9.5 Sewage/sewerage	0.00%	2,750,036m²
Show minor land uses 8
				2,884,268,132m²

Waterbug sample history

Sampled on 12 January 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	4	1
Ancylidae (Unident.) KG069999	4
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	2	6
Hydracarina (Unident.) MM9999A8	2

Unknown OT	10
Palaemonidae (Unident.) OT029999	8

Caridea (Unident.) OT999999	2

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	1	5
Dytiscidae (Unident.) QC099999	1
Diptera QD	20	3
Tanypodinae (Unident.) QDAE9999	2
Chironominae (Unident.) QDAJ9999	18
Ephemeroptera QE	17	9
Cloeon sp.(Unident.) QE020299	2
Baetidae (Unident.) QE029999	1
Atalophlebia sp.(Unident.) QE060199	4
Tasmanocoenis sp.(Unident.) QE080199	10
Hemiptera QH	1	2
Veliidae (Unident.) QH569999	1
Trichoptera QT	17	8
Hellyethira sp.(Unident.) QT030499	16
Hydroptilidae (Unident.) QT039999	1

SIGNALT	3.6
	ORDER
Weighted SIGNALT	4.4