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

Barron River at Bilwon 110020A

Source	MIV
Latest Sample Date	14-07-1997
Taxa count ORDER	12
Taxa count FAMILY	38
Taxa count ALT	38
Mayflies present?	49
	ORDER	FAMILY	ALT
SIGNAL	3.4	4.1	3.1
Weighted SIGNAL	4.9		4.4

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	45.98%	58,419,914,712m²
	Natural	1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.2 Surface water supply	17.59%	22,349,247,620m²
	Arable Farming	3.3.0 Cropping, 3.3.5 Sugar, 4.3.0 Irrigated cropping, 4.3.1 Irrigated cereals, 4.3.2 Irrigated beverage and spice crops, 4.3.3 Irrigated hay and silage, 4.3.4 Irrigated oilseeds, 4.3.5 Irrigated sugar, 4.4.0 Irrigated perennial horticulture, 4.4.1 Irrigated tree fruits, 4.4.3 Irrigated tree nuts, 4.4.4 Irrigated vine fruits, 4.4.5 Irrigated shrub berries and fruits, 4.5.0 Irrigated seasonal horticulture, 4.5.3 Irrigated seasonal vegetables and herbs, 4.5.4 Irrigated turf farming	16.88%	21,442,186,838m²
	Residential And 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, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.5.5 Research facilities, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.1 Airports/aerodromes, 5.7.5 Navigation and communication	7.05%	8,955,100,080m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	5.13%	6,522,937,101m²
	Water	6.1.0 Lake, 6.1.1 Lake - conservation, 6.2.0 Reservoir/dam, 6.3.0 River, 6.4.0 Channel/aqueduct, 6.5.0 Marsh/wetland, 6.5.2 Marsh/wetland - production	4.34%	5,519,119,836m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	1.23%	1,567,355,028m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry, 4.1.1 Irrigated hardwood plantation forestry	0.89%	1,129,325,676m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.2 Food processing factory, 5.5.1 Commercial services	0.30%	375,525,164m²
	Mining	5.8.0 Mining, 5.8.2 Quarries, 5.8.3 Tailings	0.21%	268,267,977m²
	Intensive Pastoral Farming	5.2.1 Dairy sheds and yards, 5.2.2 Feedlots, 5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.16%	204,013,671m²
	Unknown	3.6.0 Land in transition, 4.6.0 Irrigated land in transition, 4.6.4 No defined use (irrigation), 5.2.8 Abandoned intensive animal production, 5.3.8 Abandoned manufacturing and industrial	0.16%	198,013,269m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill	0.05%	58,753,937m²
	Intensive Arable Farming	5.1.0 Intensive horticulture, 5.1.2 Shadehouses, 5.1.3 Glasshouses, 5.1.4 Glasshouses (hydroponic)	0.04%	54,503,652m²
Show minor land uses 8
				1,270,642,646m²

Waterbug sample history

Sampled on 14 July 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	3	2
Dugesiidae (Unident.) IF619999	3
Gastropoda KG	4	1
Lymnaeidae (Unident.) KG059999	1
Ancylidae (Unident.) KG069999	1
Planorbidae (Unident.) KG079999	1
Physidae (Unident.) KG089999	1
Acarina MM	14	6
Mites (Unident.) MM999999	14

Unknown OH	4
Ostracoda (Unident.) OH999999	4
Unknown OT	22
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	2

Coleoptera QC	44	5
Dytiscidae (Unident.) QC099999	3
Hydrophilidae (Unident.) QC119999	3

Elmidae (Unident.) QC349999	18

Psephenidae (Unident.) QC379999	20

Diptera QD	42	3
Ceratopogonidae (Unident.) QD099999	10

Simuliidae (Unident.) QD109999	3

Tanypodinae (Unident.) QDAE9999	10
Orthocladiinae (Unident.) QDAF9999	10
Chironominae (Unident.) QDAJ9999	9
Ephemeroptera QE	49	9
Baetidae (Unident.) QE029999	20
Leptophlebiidae (Unident.) QE069999	11
Caenidae (Unident.) QE089999	8
Prosopistomatidae (Unident.) QE099999	10
Hemiptera QH	5	2
Veliidae (Unident.) QH569999	1
Gerridae (Unident.) QH579999	1
Nepidae (Unident.) QH619999	1
Pleidae (Unident.) QH689999	2
Lepidoptera QL	17	2
Crambidae (Unident.) QL019999	17

Odonata QO	43	3
Coenagrionidae (Unident.) QO029999	10
Diphlebiidae (Unident.) QO099999	5
Gomphidae (Unident.) QO139999	13
Libellulidae (Unident.) QO179999	13
Zygoptera (Unident.) QO999997	2
Trichoptera QT	44	8
Hydroptilidae (Unident.) QT039999	4
Philopotamidae (Unident.) QT049999	10
Hydropsychidae (Unident.) QT069999	10
Polycentropodidae (Unident.) QT079999	1
Calamoceratidae (Unident.) QT249999	3
Leptoceridae (Unident.) QT259999	16

SIGNALT	3.4
	ORDER
Weighted SIGNALT	4.0