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

SEVERN RIVER AT DEAD HORSE CK JUN FNARH 4163002

Source	MIV
Latest Sample Date	10-06-1997
Taxa count ORDER	16
Taxa count FAMILY	40
Taxa count ALT	40
Mayflies present?	41
	ORDER	FAMILY	ALT
SIGNAL	2.7	3.6	3
Weighted SIGNAL	4.6		4

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	66.87%	71,345,224,149m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection	13.14%	14,021,195,788m²
	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, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.4 Defence facilities - urban, 5.6.1 Fuel powered electricity generation, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways	9.59%	10,234,210,430m²
	Arable Farming	3.3.0 Cropping, 3.5.0 Seasonal horticulture, 4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture, 4.4.9 Irrigated grapes, 4.5.0 Irrigated seasonal horticulture	6.76%	7,217,222,095m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	2.22%	2,363,740,861m²
	Water	6.2.0 Reservoir/dam, 6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River	1.02%	1,083,745,810m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.16%	165,999,358m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.10%	107,249,585m²
	Pastoral Farming	3.2.0 Grazing modified pastures	0.06%	60,749,765m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.1 Effluent pond, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.05%	51,749,800m²
	Intensive Pastoral Farming	5.2.4 Piggeries, 5.2.5 Aquaculture	0.03%	32,499,874m²
	Intensive Arable Farming	5.1.0 Intensive horticulture	0.00%	4,749,982m²
Show minor land uses 8
				1,066,883,375m²

Waterbug sample history

Sampled on 10 June 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	15	1
Lymnaeidae (Unident.) KG059999	1
Ancylidae (Unident.) KG069999	14
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	8	6
Mites (Unident.) MM999999	8

Unknown OG	2
Cladocera (Unident.) OG999999	2
Unknown OJ	17
Copepoda (Unident.) OJ999999	17
Unknown OT	4
Atyidae (Unident.) OT019999	4

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Unknown QA	4
Collembola (Unident.) QA999999	4
Coleoptera QC	72	5
Dytiscidae (Unident.) QC099999	4
Hydrophilidae (Unident.) QC119999	36

Hydraenidae (Unident.) QC139999	17

Scirtidae (Unident.) QC209999	8

Elmidae (Unident.) QC349999	1

Psephenidae (Unident.) QC379999	6

Diptera QD	61	3
Tipulidae (Unident.) QD019999	1
Culicidae (Unident.) QD079999	32

Ceratopogonidae (Unident.) QD099999	2

Psychodidae (Unident.) QD129999	1

Ephydridae (Unident.) QD789999	1

Tanypodinae (Unident.) QDAE9999	7
Chironominae (Unident.) QDAJ9999	17
Ephemeroptera QE	41	9
Baetidae (Unident.) QE029999	10
Leptophlebiidae (Unident.) QE069999	11
Caenidae (Unident.) QE089999	20
Hemiptera QH	34	2
Hydrometridae (Unident.) QH549999	4
Veliidae (Unident.) QH569999	10
Gelastocoridae (Unident.) QH649999	2
Corixidae (Unident.) QH659999	12
Notonectidae (Unident.) QH679999	3
Pleidae (Unident.) QH689999	3
Odonata QO	11	3
Protoneuridae (Unident.) QO049999	4
Gomphidae (Unident.) QO139999	6
Corduliidae (Unident.) QO169999	1
Trichoptera QT	35	8
Hydroptilidae (Unident.) QT039999	3
Ecnomidae (Unident.) QT089999	5
Calamoceratidae (Unident.) QT249999	7
Leptoceridae (Unident.) QT259999	20

SIGNALT	2.7
	ORDER
Weighted SIGNALT	3.5