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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	04-12-1998
Taxa count ORDER	11
Taxa count FAMILY	31
Taxa count ALT	31
Mayflies present?	71
	ORDER	FAMILY	ALT
SIGNAL	3.5	4.5	3.5
Weighted SIGNAL	5.7		4.3

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	52.93%	5,421,946,734m²
	Arable Farming	3.3.0 Cropping	25.09%	2,570,080,262m²
	Pastoral Farming	3.2.0 Grazing modified pastures	18.66%	1,911,495,632m²
	Natural	1.1.1 Strict nature reserves, 1.2.1 Biodiversity	1.89%	194,024,933m²
	Water	6.2.2 Water storage - intensive use/farm dams, 6.5.0 Marsh/wetland	1.01%	103,263,270m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	0.38%	38,504,948m²
	Forestry Plantation	3.1.4 Environmental forest plantation	0.05%	4,750,610m²
Show minor land uses 4
				102,440,664m²

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	17	1
Physidae (Unident.) KG089999	17
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	5	6
Mites (Unident.) MM999999	5

Unknown OT	6
Atyidae (Unident.) OT019999	6

Unknown OV	6
Parastacidae (Unident.) OV019999	6

Coleoptera QC	106	5
Dytiscidae (Unident.) QC099999	21
Gyrinidae (Unident.) QC109999	3

Hydrophilidae (Unident.) QC119999	18

Hydraenidae (Unident.) QC139999	15

Scirtidae (Unident.) QC209999	45

Elmidae (Unident.) QC349999	2

Psephenidae (Unident.) QC379999	2

Diptera QD	46	3
Tipulidae (Unident.) QD019999	8
Ceratopogonidae (Unident.) QD099999	6

Simuliidae (Unident.) QD109999	17

Stratiomyidae (Unident.) QD249999	4
Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	71	9
Baetidae (Unident.) QE029999	10
Caenidae (Unident.) QE089999	61
Hemiptera QH	13	2
Veliidae (Unident.) QH569999	4
Corixidae (Unident.) QH659999	8
Notonectidae (Unident.) QH679999	1
Odonata QO	2	3
Gomphidae (Unident.) QO139999	2
Trichoptera QT	123	8
Hydrobiosidae (Unident.) QT019999	20
Hydroptilidae (Unident.) QT039999	10
Hydropsychidae (Unident.) QT069999	48
Ecnomidae (Unident.) QT089999	10
Philorheithridae (Unident.) QT219999	1
Leptoceridae (Unident.) QT259999	34

SIGNALT	3.5
	ORDER
Weighted SIGNALT	4.0

SIGNALT	3.7
	ORDER
Weighted SIGNALT	3.3