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

Cataract R @ Road Bridge 43057

Source	Office of Environment and Heritage
Latest Sample Date	04-05-2008
Taxa count ORDER	16
Taxa count FAMILY	45
Taxa count ALT	45
Mayflies present?	36
	ORDER	FAMILY	ALT
SIGNAL	4.4	4.7	4.2
Weighted SIGNAL	5		4.9

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	42.88%	10,987,426,564m²
	Pastoral Farming	3.2.0 Grazing modified pastures	31.52%	8,074,747,212m²
	Forestry	2.2.0 Production native forests	11.71%	3,000,434,755m²
	Natural	1.1.3 National park	11.08%	2,839,924,872m²
	Water	6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River	2.35%	601,537,040m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure, 5.7.2 Roads	0.41%	105,506,497m²
	Arable Farming	3.4.0 Perennial horticulture, 3.4.9 Grapes	0.05%	12,000,739m²
Show minor land uses 3
				256,215,777m²

Waterbug sample history

Sampled on 4 May 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	4	2
Dugesiidae (Unident.) IF619999	4
Nematomorpha IJ	1	6
Gordiidae (Unident.) IJ019999	1
Gastropoda KG	10	1
Hydrobiidae (Unident.) KG029999	5
Ancylidae (Unident.) KG069999	3
Physidae (Unident.) KG089999	2
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	4
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OT	6
Atyidae (Unident.) OT019999	6

Coleoptera QC	60	5
Dytiscidae (Unident.) QC099999	2
Gyrinidae (Unident.) QC109999	9

Hydrophilidae (Unident.) QC119999	18

Hydraenidae (Unident.) QC139999	3

Scirtidae (Unident.) QC209999	4

Elmidae (Unident.) QC349999	24

Diptera QD	23	3
Tipulidae (Unident.) QD019999	4
Dixidae (Unident.) QD069999	2

Simuliidae (Unident.) QD109999	8

Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	4
Ephemeroptera QE	36	9
Baetidae (Unident.) QE029999	14
Leptophlebiidae (Unident.) QE069999	17
Caenidae (Unident.) QE089999	5
Hemiptera QH	24	2
Hydrometridae (Unident.) QH549999	4
Veliidae (Unident.) QH569999	4
Gerridae (Unident.) QH579999	9
Corixidae (Unident.) QH659999	5
Notonectidae (Unident.) QH679999	2
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Megaloptera QM	5	8
Corydalidae (Unident.) QM019999	5

Odonata QO	11	3
Coenagrionidae (Unident.) QO029999	1
Aeshnidae (Unident.) QO129999	5
Gomphidae (Unident.) QO139999	4
Libellulidae (Unident.) QO179999	1
Plecoptera QP	6	10
Gripopterygidae (Unident.) QP039999	6
Trichoptera QT	55	8
Hydrobiosidae (Unident.) QT019999	10
Hydroptilidae (Unident.) QT039999	1
Philopotamidae (Unident.) QT049999	12
Hydropsychidae (Unident.) QT069999	13
Conoesucidae (Unident.) QT159999	1
Philorheithridae (Unident.) QT219999	1
Odontoceridae (Unident.) QT229999	4
Calamoceratidae (Unident.) QT249999	4
Leptoceridae (Unident.) QT259999	9

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.5