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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	30-09-1999
Taxa count ORDER	12
Taxa count FAMILY	23
Taxa count ALT	23
Mayflies present?	198
	ORDER	FAMILY	ALT
SIGNAL	4	4.2	3.5
Weighted SIGNAL	5.5		5.3

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests	28.22%	7,095,617,619m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection	26.89%	6,761,862,087m²
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	19.45%	4,891,581,084m²
	Pastoral Farming	3.2.0 Grazing modified pastures	16.92%	4,254,820,529m²
	Arable Farming	3.3.0 Cropping	4.31%	1,085,017,986m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	2.14%	538,508,926m²
	Water	6.3.0 River, 6.5.0 Marsh/wetland	2.07%	520,508,628m²
Show minor land uses 2
				251,479,169m²

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	7	2
Oligochaeta (Unident.) LO999999	7
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OH	3
Ostracoda (Unident.) OH999999	3
Unknown OT	2
Atyidae (Unident.) OT019999	2

Unknown QA	1
Collembola (Unident.) QA999999	1
Coleoptera QC	11	5
Dytiscidae (Unident.) QC099999	2
Hydrophilidae (Unident.) QC119999	3

Elmidae (Unident.) QC349999	1

Coleoptera (Unident.) QCZZ9999	5

Diptera QD	24	3
Dixidae (Unident.) QD069999	2

Ceratopogonidae (Unident.) QD099999	14

Tanypodinae (Unident.) QDAE9999	5
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	198	9
Baetidae (Unident.) QE029999	99
Leptophlebiidae (Unident.) QE069999	99
Hemiptera QH	12	2
Veliidae (Unident.) QH569999	3
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	7
Odonata QO	4	3
Gomphidae (Unident.) QO139999	3
Corduliidae (Unident.) QO169999	1
Plecoptera QP	11	10
Gripopterygidae (Unident.) QP039999	11
Trichoptera QT	15	8
Philorheithridae (Unident.) QT219999	1
Leptoceridae (Unident.) QT259999	14

SIGNALT	4.0
	ORDER
Weighted SIGNALT	4.9

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	1	1
Physidae (Unident.) KG089999	1
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Unknown OT	4
Atyidae (Unident.) OT019999	4

Coleoptera QC	2	5
Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	1

Diptera QD	22	3
Tipulidae (Unident.) QD019999	1
Dixidae (Unident.) QD069999	5

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	1

Athericidae (Unident.) QD229999	2

Podonominae (Unident.) QDAD9999	4
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	302	9
Baetidae (Unident.) QE029999	104
Leptophlebiidae (Unident.) QE069999	198
Hemiptera QH	13	2
Gerridae (Unident.) QH579999	7
Corixidae (Unident.) QH659999	6
Megaloptera QM	6	8
Corydalidae (Unident.) QM019999	6

Odonata QO	9	3
Synlestidae (Unident.) QO089999	2
Aeshnidae (Unident.) QO129999	7
Plecoptera QP	24	10
Gripopterygidae (Unident.) QP039999	24
Trichoptera QT	70	8
Hydrobiosidae (Unident.) QT019999	12
Philopotamidae (Unident.) QT049999	12
Hydropsychidae (Unident.) QT069999	2
Conoesucidae (Unident.) QT159999	1
Helicopsychidae (Unident.) QT179999	1
Calocidae (Unident.) QT189999	16
Leptoceridae (Unident.) QT259999	26

SIGNALT	4.6
	ORDER
Weighted SIGNALT	5.7