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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	04-05-2010
Taxa count ORDER	11
Taxa count FAMILY	27
Taxa count ALT	27
Mayflies present?	34
	ORDER	FAMILY	ALT
SIGNAL	5.5	5.6	5.7
Weighted SIGNAL	5.3		5.7

Category	ALUM Categories	Percent of upstream catchment	Area
Forestry	2.2.0 Production native forests	52.38%	547,376,803m²
Minimal Use	1.3.3 Residual native cover	47.62%	497,592,533m²
			10,449,693m²

Taxa	Abundance	SIGNALT Grade
Nematomorpha IJ	1	6
Gordiidae (Unident.) IJ019999	1
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OT	54
Atyidae (Unident.) OT019999	54

Coleoptera QC	52	5
Gyrinidae (Unident.) QC109999	9

Hydrophilidae (Unident.) QC119999	18

Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	5

Psephenidae (Unident.) QC379999	18

Diptera QD	1	3
Dixidae (Unident.) QD069999	1

Ephemeroptera QE	34	9
Leptophlebiidae (Unident.) QE069999	34
Hemiptera QH	2	2
Veliidae (Unident.) QH569999	1
Notonectidae (Unident.) QH679999	1
Megaloptera QM	9	8
Corydalidae (Unident.) QM019999	9

Odonata QO	20	3
Megapodagrionidae (Unident.) QO079999	6
Synlestidae (Unident.) QO089999	6
Aeshnidae (Unident.) QO129999	7
Corduliidae (Unident.) QO169999	1
Plecoptera QP	2	10
Gripopterygidae (Unident.) QP039999	2
Trichoptera QT	53	8
Hydrobiosidae (Unident.) QT019999	2
Philopotamidae (Unident.) QT049999	11
Hydropsychidae (Unident.) QT069999	9
Tasimiidae (Unident.) QT139999	6
Calocidae (Unident.) QT189999	1
Odontoceridae (Unident.) QT229999	4
Calamoceratidae (Unident.) QT249999	7
Leptoceridae (Unident.) QT259999	13

SIGNALT	5.5
	ORDER
Weighted SIGNALT	5.4