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

Source	Office of Environment and Heritage
Latest Sample Date	04-12-1997
Taxa count ORDER	9
Taxa count FAMILY	16
Taxa count ALT	16
Mayflies present?	121
	ORDER	FAMILY	ALT
SIGNAL	4	4.2	2.3
Weighted SIGNAL	4.7		3.7

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures	52.47%	13,161,553,183m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.1 Tree fruits	28.59%	7,170,984,133m²
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	6.94%	1,741,874,693m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.5 Farm buildings/infrastructure, 5.5.0 Services, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways	4.73%	1,187,414,580m²
	Forestry	2.2.0 Production native forests	3.08%	772,944,396m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.3.0 River, 6.5.0 Marsh/wetland	3.01%	755,445,655m²
	Industrial	5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.4 Bulk grain storage, 5.5.1 Commercial services	0.58%	145,989,498m²
	Natural	1.2.0 Managed resource protection, 1.2.1 Biodiversity	0.35%	86,743,760m²
	Waste Management	5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.09%	23,498,310m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.08%	18,998,633m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production	0.04%	9,499,317m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.03%	6,999,496m²
Show minor land uses 6
				250,819,457m²

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	4	1
Physidae (Unident.) KG089999	4
Oligochaeta LO	12	2
Oligochaeta (Unident.) LO999999	12
Amphipoda OP	9	3
Paramelitidae (Unident.) OP069999	9

Coleoptera QC	9	5
Dytiscidae (Unident.) QC099999	9
Diptera QD	62	3
Ceratopogonidae (Unident.) QD099999	38

Tanypodinae (Unident.) QDAE9999	18
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	121	9
Baetidae (Unident.) QE029999	87
Leptophlebiidae (Unident.) QE069999	5
Caenidae (Unident.) QE089999	29
Hemiptera QH	34	2
Mesoveliidae (Unident.) QH529999	1
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	31
Odonata QO	2	3
Coenagrionidae (Unident.) QO029999	2
Trichoptera QT	1	8
Leptoceridae (Unident.) QT259999	1

SIGNALT	4.0
	ORDER
Weighted SIGNALT	4.0

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	1	1
Physidae (Unident.) KG089999	1
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Amphipoda OP	63	3
Ceinidae (Unident.) OP029999	63

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	2	5
Dytiscidae (Unident.) QC099999	2
Diptera QD	51	3
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	48
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	279	9
Baetidae (Unident.) QE029999	201
Leptophlebiidae (Unident.) QE069999	72
Caenidae (Unident.) QE089999	6
Hemiptera QH	115	2
Veliidae (Unident.) QH569999	52
Corixidae (Unident.) QH659999	63
Trichoptera QT	28	8
Hydrobiosidae (Unident.) QT019999	22
Ecnomidae (Unident.) QT089999	3
Leptoceridae (Unident.) QT259999	3

SIGNALT	3.7
	ORDER
Weighted SIGNALT	4.6