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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	20-01-1998
Taxa count ORDER	10
Taxa count FAMILY	28
Taxa count ALT	28
Mayflies present?	266
	ORDER	FAMILY	ALT
SIGNAL	5.6	5.9	4.2
Weighted SIGNAL	5.9		5.6

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	6.01%	2,856,355,883m²
	Forestry	2.2.0 Production native forests	5.86%	2,784,853,232m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses	3.30%	1,568,308,136m²
	Water	6.1.0 Lake, 6.3.0 River	0.46%	216,758,035m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.28%	132,254,903m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure	0.05%	24,000,890m²
	Natural	1.2.0 Managed resource protection	0.00%	1,500,056m²
Show minor land uses 4
				475,475,125m²

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	5	6
Mites (Unident.) MM999999	5

Coleoptera QC	24	5
Elmidae (Unident.) QC349999	14

Psephenidae (Unident.) QC379999	10

Diptera QD	60	3
Tipulidae (Unident.) QD019999	1
Simuliidae (Unident.) QD109999	41

Empididae (Unident.) QD359999	1
Tanypodinae (Unident.) QDAE9999	8
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	6
Ephemeroptera QE	266	9
Baetidae (Unident.) QE029999	54
Oniscigastridae (Unident.) QE039999	4
Coloburiscidae (Unident.) QE059999	127
Leptophlebiidae (Unident.) QE069999	67
Caenidae (Unident.) QE089999	14
Hemiptera QH	4	2
Corixidae (Unident.) QH659999	4
Megaloptera QM	3	8
Corydalidae (Unident.) QM019999	3

Odonata QO	15	3
Aeshnidae (Unident.) QO129999	8
Gomphidae (Unident.) QO139999	6
Libellulidae (Unident.) QO179999	1
Plecoptera QP	3	10
Gripopterygidae (Unident.) QP039999	3
Trichoptera QT	226	8
Hydrobiosidae (Unident.) QT019999	2
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	211
Ecnomidae (Unident.) QT089999	9
Atriplectididae (Unident.) QT239999	1
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	1

SIGNALT	5.6
	ORDER
Weighted SIGNALT	5.8

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	4	6
Mites (Unident.) MM999999	4

Coleoptera QC	9	5
Elmidae (Unident.) QC349999	3

Psephenidae (Unident.) QC379999	6

Diptera QD	58	3
Simuliidae (Unident.) QD109999	39

Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	16
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	123	9
Baetidae (Unident.) QE029999	39
Coloburiscidae (Unident.) QE059999	52
Leptophlebiidae (Unident.) QE069999	31
Caenidae (Unident.) QE089999	1
Hemiptera QH	64	2
Corixidae (Unident.) QH659999	64
Megaloptera QM	1	8
Corydalidae (Unident.) QM019999	1

Odonata QO	5	3
Aeshnidae (Unident.) QO129999	4
Corduliidae (Unident.) QO169999	1
Plecoptera QP	8	10
Gripopterygidae (Unident.) QP039999	8
Trichoptera QT	35	8
Hydropsychidae (Unident.) QT069999	22
Conoesucidae (Unident.) QT159999	2
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	9

SIGNALT	5.6
	ORDER
Weighted SIGNALT	5.7