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NOTICE: SIGNALT Calculations are currently running through final testing and may be inaccurate until completed.

OCONNELL RIVER AT ARGENTS 1240054

Source	MIV
Latest Sample Date	10-06-1997
Taxa count ORDER	16
Taxa count FAMILY	40
Taxa count ALT	40
Mayflies present?	43
	ORDER	FAMILY	ALT
SIGNAL	3.2	4.1	3
Weighted SIGNAL	4.7		4.4

Waterbug Land Use

Category	ALUM Categories	Percent of upstream catchment	Area
Forestry	2.2.0 Production native forests	81.04%	303,424,032m²
Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	14.95%	55,985,983m²
Natural	1.1.3 National park	4.01%	14,996,245m²
			3,744,063m²

Waterbug sample history

Sampled on 10 June 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Gastropoda KG	2	1
Thiaridae (Unident.) KG049999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	11	6
Mites (Unident.) MM999999	11

Unknown OH	3
Ostracoda (Unident.) OH999999	3
Unknown OJ	4
Copepoda (Unident.) OJ999999	4
Unknown OT	30
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	10

Unknown QA	1
Collembola (Unident.) QA999999	1
Coleoptera QC	17	5
Gyrinidae (Unident.) QC109999	3

Hydrophilidae (Unident.) QC119999	3

Staphylinidae (Unident.) QC189999	1
Scirtidae (Unident.) QC209999	1

Limnichidae (Unident.) QC359999	1
Psephenidae (Unident.) QC379999	8

Diptera QD	52	3
Tipulidae (Unident.) QD019999	1
Tabanidae (Unident.) QD239999	1
Dolichopodidae (Unident.) QD369999	1
Muscidae (Unident.) QD899999	1
Tanypodinae (Unident.) QDAE9999	17
Orthocladiinae (Unident.) QDAF9999	14
Chironominae (Unident.) QDAJ9999	17
Ephemeroptera QE	43	9
Baetidae (Unident.) QE029999	20
Leptophlebiidae (Unident.) QE069999	16
Caenidae (Unident.) QE089999	7
Hemiptera QH	11	2
Hebridae (Unident.) QH539999	1
Veliidae (Unident.) QH569999	7
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	1
Lepidoptera QL	9	2
Crambidae (Unident.) QL019999	9

Megaloptera QM	3	8
Corydalidae (Unident.) QM019999	3

Odonata QO	34	3
Coenagrionidae (Unident.) QO029999	10
Corduliidae (Unident.) QO169999	4
Libellulidae (Unident.) QO179999	20
Trichoptera QT	42	8
Hydrobiosidae (Unident.) QT019999	4
Hydroptilidae (Unident.) QT039999	10
Hydropsychidae (Unident.) QT069999	10
Ecnomidae (Unident.) QT089999	4
Calamoceratidae (Unident.) QT249999	3
Leptoceridae (Unident.) QT259999	11

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.9