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

Dawson River at Glebe Weir Tailwater 130345A

Source	MIV
Latest Sample Date	20-11-1997
Taxa count ORDER	6
Taxa count FAMILY	11
Taxa count ALT	11
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	2.3	3.4	2.3
Weighted SIGNAL	4		4.2

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	77.32%	1,780,919,341,613m²
	Forestry	2.2.0 Production native forests	11.63%	267,938,186,312m²
	Natural	1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	6.45%	148,456,049,161m²
	Arable Farming	3.3.0 Cropping, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture	4.35%	100,108,695,985m²
	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%	3,891,738,181m²
	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%	1,231,746,259m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.02%	398,748,789m²
	Industrial	5.3.0 Manufacturing and industrial, 5.5.1 Commercial services	0.01%	195,749,406m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.2 Feedlots	0.01%	153,249,535m²
	Pastoral Farming	3.2.1 Native/exotic pasture mosaic	0.00%	32,499,901m²
	Waste Management	5.9.0 Waste treatment and disposal	0.00%	20,249,939m²
Show minor land uses 7
				23,033,462,551m²

Waterbug sample history

Sampled on 20 November 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	7	1
Thiaridae (Unident.) KG049999	6
Lymnaeidae (Unident.) KG059999	1
Unknown OJ	20
Copepoda (Unident.) OJ999999	20
Isopoda OR	1	2
Cirolanidae (Unident.) OR129999	1
Unknown OT	20
Palaemonidae (Unident.) OT029999	20

Diptera QD	31	3
Simuliidae (Unident.) QD109999	8

Orthocladiinae (Unident.) QDAF9999	13
Chironominae (Unident.) QDAJ9999	10
Trichoptera QT	8	8
Hydropsychidae (Unident.) QT069999	4
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	3

SIGNALT	2.3
	ORDER
Weighted SIGNALT	2.2

Sampled on 10 June 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	29	1
Viviparidae (Unident.) KG019999	12
Thiaridae (Unident.) KG049999	17
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	4
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Unknown OJ	2
Copepoda (Unident.) OJ999999	2
Unknown OT	38
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	18

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	17	5
Hydrophilidae (Unident.) QC119999	15

Hydraenidae (Unident.) QC139999	2

Diptera QD	49	3
Culicidae (Unident.) QD079999	2

Simuliidae (Unident.) QD109999	10

Tanypodinae (Unident.) QDAE9999	13
Orthocladiinae (Unident.) QDAF9999	11
Chironominae (Unident.) QDAJ9999	12
Chironomidae (Unident.)(Larva) QDAZ9999	1
Ephemeroptera QE	17	9
Baetidae (Unident.) QE029999	1
Leptophlebiidae (Unident.) QE069999	5
Caenidae (Unident.) QE089999	11
Hemiptera QH	23	2
Mesoveliidae (Unident.) QH529999	1
Gerridae (Unident.) QH579999	16
Corixidae (Unident.) QH659999	1
Pleidae (Unident.) QH689999	5
Odonata QO	21	3
Coenagrionidae (Unident.) QO029999	3
Protoneuridae (Unident.) QO049999	10
Gomphidae (Unident.) QO139999	1
Zygoptera (Unident.) QO999997	7
Trichoptera QT	43	8
Hydropsychidae (Unident.) QT069999	10
Ecnomidae (Unident.) QT089999	15
Leptoceridae (Unident.) QT259999	17
Trichoptera (Unident.) QT999999	1

SIGNALT	3.0
	ORDER
Weighted SIGNALT	3.4