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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	09-04-2006
Taxa count ORDER	7
Taxa count FAMILY	17
Taxa count ALT	17
Mayflies present?	68
	ORDER	FAMILY	ALT
SIGNAL	4.1	3.9	2.6
Weighted SIGNAL	3.9		4.1

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	63.26%	11,507,778,286m²
	Pastoral Farming	3.2.0 Grazing modified pastures	29.84%	5,427,324,490m²
	Arable Farming	3.3.0 Cropping	6.73%	1,224,742,472m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	0.16%	28,255,594m²
	Forestry	3.1.0 Plantation forests	0.01%	2,000,396m²
Show minor land uses 2
				181,901,012m²

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Unknown OT	25
Atyidae (Unident.) OT019999	14

Palaemonidae (Unident.) OT029999	11

Coleoptera QC	24	5
Dytiscidae (Unident.) QC099999	21
Gyrinidae (Unident.) QC109999	3

Diptera QD	17	3
Tabanidae (Unident.) QD239999	1
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	14
Ephemeroptera QE	68	9
Baetidae (Unident.) QE029999	5
Leptophlebiidae (Unident.) QE069999	41
Caenidae (Unident.) QE089999	22
Hemiptera QH	53	2
Veliidae (Unident.) QH569999	11
Gerridae (Unident.) QH579999	23
Corixidae (Unident.) QH659999	9
Notonectidae (Unident.) QH679999	10
Trichoptera QT	2	8
Leptoceridae (Unident.) QT259999	2

SIGNALT	4.1
	ORDER
Weighted SIGNALT	3.9