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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	12-10-1999
Taxa count ORDER	11
Taxa count FAMILY	18
Taxa count ALT	18
Mayflies present?	3
	ORDER	FAMILY	ALT
SIGNAL	2.8	2.8	1.7
Weighted SIGNAL	2.6		3.1

Category	ALUM Categories	Percent of upstream catchment	Area
Minimal Use	2.1.0 Grazing native vegetation	38.59%	65,289,600m²
Pastoral Farming	3.2.0 Grazing modified pastures	29.75%	50,337,783m²
Arable Farming	3.4.0 Perennial horticulture, 3.4.3 Tree nuts	26.95%	45,603,041m²
Residential And Infrastructure	5.4.0 Residential and farm infrastructure	4.71%	7,974,302m²
			1,692,047m²

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	1	1
Hydrobiidae (Unident.) KG029999	1
Acarina MM	99	6
Mites (Unident.) MM999999	99

Unknown OH	5
Ostracoda (Unident.) OH999999	5
Unknown OT	18
Atyidae (Unident.) OT019999	18

Unknown QA	4
Collembola (Unident.) QA999999	4
Coleoptera QC	1	5
Dytiscidae (Unident.) QC099999	1
Diptera QD	13	3
Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	5
Chironominae (Unident.) QDAJ9999	1
Diptera (Unident.)(Larva) QDZZ9999	5

Ephemeroptera QE	3	9
Baetidae (Unident.) QE029999	3
Hemiptera QH	7	2
Mesoveliidae (Unident.) QH529999	1
Veliidae (Unident.) QH569999	5
Corixidae (Unident.) QH659999	1
Odonata QO	15	3
Coenagrionidae (Unident.) QO029999	13
Gomphidae (Unident.) QO139999	1
Libellulidae (Unident.) QO179999	1

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.0

SIGNALT	3.8
	ORDER
Weighted SIGNALT	2.5