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

DAWSON RIVER AT NATHAN DAM SITE 1303013

Source	MIV
Latest Sample Date	14-09-1999
Taxa count ORDER	14
Taxa count FAMILY	37
Taxa count ALT	37
Mayflies present?	15
	ORDER	FAMILY	ALT
SIGNAL	2.8	3.6	2.6
Weighted SIGNAL	5.1		3.5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	77.41%	1,791,898,392,793m²
	Forestry	2.2.0 Production native forests	11.57%	267,938,086,805m²
	Natural	1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	6.41%	148,490,493,910m²
	Arable Farming	3.3.0 Cropping, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture	4.34%	100,539,907,337m²
	Water	6.1.0 Lake, 6.1.1 Lake - conservation, 6.2.0 Reservoir/dam, 6.2.3 Evaporation basin, 6.3.0 River, 6.3.1 River - conservation, 6.5.0 Marsh/wetland	0.17%	3,993,986,388m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.4 Remote communities, 5.4.5 Farm buildings/infrastructure, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.6.6 Gas treatment, storage and transmission, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.5 Navigation and communication	0.05%	1,231,745,802m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.02%	398,748,641m²
	Industrial	5.3.0 Manufacturing and industrial, 5.5.1 Commercial services	0.01%	195,749,333m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots	0.01%	153,249,478m²
	Pastoral Farming	3.2.1 Native/exotic pasture mosaic	0.00%	32,499,889m²
	Waste Management	5.9.0 Waste treatment and disposal	0.00%	20,249,931m²
Show minor land uses 7
				23,148,931,103m²

Waterbug sample history

Sampled on 14 September 1999

Taxa	Abundance	SIGNALT Grade
Unknown IB	1
Clavidae (Unident.) IB029999	1
Gastropoda KG	6	1
Planorbidae (Unident.) KG079999	5
Physidae (Unident.) KG089999	1
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OG	2
Cladocera (Unident.) OG999999	2
Unknown OJ	6
Copepoda (Unident.) OJ999999	6
Unknown OT	7
Palaemonidae (Unident.) OT029999	7

Unknown OV	4
Parastacidae (Unident.) OV019999	4

Coleoptera QC	38	5
Carabidae (Unident.) QC059999	1
Noteridae (Unident.) QC089999	10

Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	21

Hydraenidae (Unident.) QC139999	5

Diptera QD	78	3
Tipulidae (Unident.) QD019999	3
Culicidae (Unident.) QD079999	2

Ceratopogonidae (Unident.) QD099999	20

Simuliidae (Unident.) QD109999	13

Dolichopodidae (Unident.) QD369999	1
Tanypodinae (Unident.) QDAE9999	7
Orthocladiinae (Unident.) QDAF9999	20
Chironominae (Unident.) QDAJ9999	12
Ephemeroptera QE	15	9
Baetidae (Unident.) QE029999	1
Leptophlebiidae (Unident.) QE069999	2
Caenidae (Unident.) QE089999	12
Hemiptera QH	14	2
Hebridae (Unident.) QH539999	2
Hydrometridae (Unident.) QH549999	1
Veliidae (Unident.) QH569999	4
Gerridae (Unident.) QH579999	2
Belostomatidae (Unident.) QH629999	1
Ochteridae (Unident.) QH639999	1
Corixidae (Unident.) QH659999	3
Odonata QO	3	3
Gomphidae (Unident.) QO139999	3
Trichoptera QT	13	8
Hydrobiosidae (Unident.) QT019999	2
Hydropsychidae (Unident.) QT069999	6
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	4

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.4

Sampled on 8 June 1999

Taxa	Abundance	SIGNALT Grade
Unknown IB	1
Hydridae (Unident.) IB019999	1
Gastropoda KG	17	1
Hydrobiidae (Unident.) KG029999	13
Planorbidae (Unident.) KG079999	4
Bivalvia KP	3	3
Corbiculidae (Unident.) KP029999	3
Oligochaeta LO	12	2
Oligochaeta (Unident.) LO999999	12
Acarina MM	5	6
Mites (Unident.) MM999999	5

Unknown OG	4
Cladocera (Unident.) OG999999	4
Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OJ	11
Copepoda (Unident.) OJ999999	11
Isopoda OR	8	2
Cirolanidae (Unident.) OR129999	8
Unknown OT	10
Palaemonidae (Unident.) OT029999	10

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	26	5
Dytiscidae (Unident.) QC099999	7
Hydrophilidae (Unident.) QC119999	15

Elmidae (Unident.) QC349999	2

Curculionidae (Unident.) QCAN9999	2

Diptera QD	100	3
Culicidae (Unident.) QD079999	12

Ceratopogonidae (Unident.) QD099999	24

Simuliidae (Unident.) QD109999	7

Tabanidae (Unident.) QD239999	10
Tanypodinae (Unident.) QDAE9999	9
Orthocladiinae (Unident.) QDAF9999	18
Chironominae (Unident.) QDAJ9999	20
Ephemeroptera QE	39	9
Baetidae (Unident.) QE029999	13
Leptophlebiidae (Unident.) QE069999	6
Caenidae (Unident.) QE089999	20
Hemiptera QH	17	2
Mesoveliidae (Unident.) QH529999	1
Veliidae (Unident.) QH569999	2
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	7
Notonectidae (Unident.) QH679999	1
Pleidae (Unident.) QH689999	4
Odonata QO	23	3
Coenagrionidae (Unident.) QO029999	2
Protoneuridae (Unident.) QO049999	1
Gomphidae (Unident.) QO139999	20
Trichoptera QT	24	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	1
Ecnomidae (Unident.) QT089999	1
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	20

SIGNALT	2.6
	ORDER
Weighted SIGNALT	3.3

Sampled on 21 August 1998

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	4	2
Dugesiidae (Unident.) IF619999	4
Gastropoda KG	30	1
Hydrobiidae (Unident.) KG029999	5
Thiaridae (Unident.) KG049999	20
Ancylidae (Unident.) KG069999	5
Hirudinea LH	1	1
Erpobdellidae (Unident.) LH059999	1
Oligochaeta LO	20	2
Oligochaeta (Unident.) LO999999	20
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OJ	10
Copepoda (Unident.) OJ999999	10
Isopoda OR	1	2
Cirolanidae (Unident.) OR129999	1
Unknown OT	23
Atyidae (Unident.) OT019999	10

Palaemonidae (Unident.) OT029999	13

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	27	5
Dytiscidae (Unident.) QC099999	5
Gyrinidae (Unident.) QC109999	18

Hydrophilidae (Unident.) QC119999	3

Staphylinidae (Unident.) QC189999	1
Diptera QD	88	3
Tipulidae (Unident.) QD019999	4
Ceratopogonidae (Unident.) QD099999	8

Simuliidae (Unident.) QD109999	20

Tabanidae (Unident.) QD239999	5
Tanypodinae (Unident.) QDAE9999	12
Orthocladiinae (Unident.) QDAF9999	20
Chironominae (Unident.) QDAJ9999	19
Ephemeroptera QE	41	9
Baetidae (Unident.) QE029999	1
Leptophlebiidae (Unident.) QE069999	20
Caenidae (Unident.) QE089999	20
Hemiptera QH	18	2
Veliidae (Unident.) QH569999	8
Corixidae (Unident.) QH659999	10
Odonata QO	21	3
Coenagrionidae (Unident.) QO029999	4
Protoneuridae (Unident.) QO049999	10
Gomphidae (Unident.) QO139999	7
Trichoptera QT	14	8
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	12

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.2