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

Myrtle Creek @ "Malumla" 53001

Source	Office of Environment and Heritage
Latest Sample Date	07-10-2010
Taxa count ORDER	14
Taxa count FAMILY	45
Taxa count ALT	45
Mayflies present?	30
	ORDER	FAMILY	ALT
SIGNAL	4.4	5.1	4.7
Weighted SIGNAL	5.3		5.4

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	82.84%	5,024,354,875m²
	Pastoral Farming	3.2.0 Grazing modified pastures	9.25%	560,705,905m²
	Natural	1.1.3 National park	7.37%	447,214,830m²
	Water	6.2.0 Reservoir/dam, 6.3.0 River	0.52%	31,247,543m²
	Residential And Infrastructure	5.4.5 Farm buildings/infrastructure	0.02%	1,249,902m²
Show minor land uses 2
				60,647,731m²

Waterbug sample history

Sampled on 7 October 2010

Taxa	Abundance	SIGNALT Grade
Nematoda II	1	3
Nematoda (Unident.) II999999	1
Bivalvia KP	2	3
Sphaeriidae (Unident.) KP039999	2
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	5	6
Mites (Unident.) MM999999	5

Unknown OT	10
Atyidae (Unident.) OT019999	10

Unknown QA	6
Collembola (Unident.) QA999999	6
Coleoptera QC	40	5
Dytiscidae (Unident.) QC099999	6
Hydrophilidae (Unident.) QC119999	12

Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.) QC209999	2

Elmidae (Unident.) QC349999	11

Psephenidae (Unident.) QC379999	8

Diptera QD	75	3
Tipulidae (Unident.) QD019999	2
Dixidae (Unident.) QD069999	5

Ceratopogonidae (Unident.) QD099999	14

Simuliidae (Unident.) QD109999	17

Stratiomyidae (Unident.) QD249999	10
Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	21
Chironominae (Unident.) QDAJ9999	4
Ephemeroptera QE	30	9
Baetidae (Unident.) QE029999	3
Leptophlebiidae (Unident.) QE069999	15
Caenidae (Unident.) QE089999	12
Hemiptera QH	9	2
Hebridae (Unident.) QH539999	1
Hydrometridae (Unident.) QH549999	2
Veliidae (Unident.) QH569999	2
Gelastocoridae (Unident.) QH649999	2
Corixidae (Unident.) QH659999	2
Megaloptera QM	4	8
Corydalidae (Unident.) QM019999	4

Odonata QO	18	3
Synlestidae (Unident.) QO089999	6
Aeshnidae (Unident.) QO129999	3
Gomphidae (Unident.) QO139999	9
Plecoptera QP	20	10
Gripopterygidae (Unident.) QP039999	20
Trichoptera QT	56	8
Hydrobiosidae (Unident.) QT019999	15
Glossosomatidae (Unident.) QT029999	2
Hydroptilidae (Unident.) QT039999	2
Philopotamidae (Unident.) QT049999	11
Hydropsychidae (Unident.) QT069999	2
Conoesucidae (Unident.) QT159999	6
Helicopsychidae (Unident.) QT179999	1
Calocidae (Unident.) QT189999	1
Philorheithridae (Unident.) QT219999	1
Odontoceridae (Unident.) QT229999	1
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	12

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.9