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

THOMSON RIVER (LOWER) AT BUNDALAGUAH 250700

Source	EPA Victoria
Latest Sample Date	07-12-1993
Taxa count ORDER	6
Taxa count FAMILY	12
Taxa count ALT	20
Mayflies present?	81
	ORDER	FAMILY	ALT
SIGNAL	5.2	4.6	2.5
Weighted SIGNAL	6	5	4.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	52.25%	189,747,587,123m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	27.22%	98,854,618,818m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	15.66%	56,855,074,829m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.7.2 Roads	2.67%	9,700,183,379m²
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	0.74%	2,703,551,110m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.4.0 Channel/aqueduct, 6.4.1 Supply channel/aqueduct	0.63%	2,302,293,524m²
	Arable Farming	3.3.0 Cropping, 4.3.0 Irrigated cropping, 4.4.9 Irrigated grapes	0.58%	2,108,039,852m²
	Unknown	3.6.4 No defined use	0.13%	458,258,663m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.7 Sawmill, 5.5.1 Commercial services	0.06%	199,753,776m²
	Mining	5.8.2 Quarries	0.03%	95,001,796m²
	Waste Management	5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.02%	85,251,612m²
	Forestry Plantation	3.1.2 Softwood plantation forestry, 4.1.1 Irrigated hardwood plantation forestry, 4.1.2 Irrigated softwood plantation forestry	0.01%	46,750,884m²
Show minor land uses 9
				3,631,563,654m²

Waterbug sample history

Sampled on 7 December 1993

Taxa	Abundance	SIGNALT Grade
Acarina MM	18	6
Mites (Unident.) MM999999	18

Unknown OT	26
Paratya australiensis OT010101	26

Coleoptera QC	1	5
Notriolus maculatus (Larva) QC34030G	1

Diptera QD	134	3
Austrosimulium furiosum QD100102	16

Austrosimulium victoriae QD100105	3

Simuliidae (Unident.) QD109999	14

Empididae SRV sp.8 QD3599A8	1
Parakiefferiella sp.(Unident.) QDAF0399	2
Thienemanniella sp.(Unident.) QDAF0799	39
Orthocladiinae (Unident.) QDAF9999	1
Cricotopus/Paratrichocladius QDAF99A8	48
Tanytarsus sp.(Unident.) QDAH0499	1
Rheotanytarsus sp.(Unident.) QDAH0799	2
Polypedilum sp.(Unident.) QDAI0899	6
Chironomidae (Unident.) (Pupa) QDAZ999I	1
Ephemeroptera QE	81	9
Baetidae MV/EPA sp.5 QE0201A5	3
Baetis EPA sp.6 QE0201A6	14
Baetidae (Unident.) QE029999	11
Coloburiscoides sp.(Unident.) QE050199	53
Trichoptera QT	28	8
Smicrophylax sp.AV1 QT0608A1	28

SIGNALT	5.2
	ORDER
Weighted SIGNALT	5.2