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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	09-06-1999
Taxa count ORDER	10
Taxa count FAMILY	23
Taxa count ALT	23
Mayflies present?	117
	ORDER	FAMILY	ALT
SIGNAL	3.8	4.7	3.2
Weighted SIGNAL	4.9		4.4

Category	ALUM Categories	Percent of upstream catchment	Area
Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses	53.37%	142,379,465m²
Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	46.63%	124,394,690m²
			2,667,742m²

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	4	2
Dugesiidae (Unident.) IF619999	4
Gastropoda KG	23	1
Lymnaeidae (Unident.) KG059999	1
Physidae (Unident.) KG089999	22
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OH	3
Ostracoda (Unident.) OH999999	3
Coleoptera QC	33	5
Dytiscidae (Unident.) QC099999	3
Gyrinidae (Unident.) QC109999	3

Hydrophilidae (Unident.) QC119999	24

Scirtidae (Unident.) QC209999	1

Psephenidae (Unident.) QC379999	2

Diptera QD	7	3
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	117	9
Baetidae (Unident.) QE029999	99
Leptophlebiidae (Unident.) QE069999	18
Hemiptera QH	106	2
Corixidae (Unident.) QH659999	99
Notonectidae (Unident.) QH679999	7
Trichoptera QT	107	8
Hydrobiosidae (Unident.) QT019999	1
Hydroptilidae (Unident.) QT039999	4
Hydropsychidae (Unident.) QT069999	2
Atriplectididae (Unident.) QT239999	1
Leptoceridae (Unident.) QT259999	99

SIGNALT	3.8
	ORDER
Weighted SIGNALT	4.2