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

Corrowong Creek @ Springs Flat 34142

Source	Office of Environment and Heritage
Latest Sample Date	01-11-2009
Taxa count ORDER	16
Taxa count FAMILY	39
Taxa count ALT	39
Mayflies present?	29
	ORDER	FAMILY	ALT
SIGNAL	3.8	4	2.9
Weighted SIGNAL	5		4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	45.96%	4,163,402,691m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	16.03%	1,452,053,253m²
	Natural	1.1.3 National park	2.72%	246,259,031m²
	Forestry	2.2.0 Production native forests	0.71%	64,252,356m²
	Pastoral Farming	3.2.0 Grazing modified pastures	0.53%	48,251,770m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	0.07%	6,000,220m²
Show minor land uses 4
				90,588,322m²

Waterbug sample history

Sampled on 1 November 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	10	1
Lymnaeidae (Unident.) KG059999	7
Planorbidae (Unident.) KG079999	3
Bivalvia KP	4	3
Sphaeriidae (Unident.) KP039999	4
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OG	2
Cladocera (Unident.) OG999999	2
Unknown OH	10
Ostracoda (Unident.) OH999999	10
Unknown OJ	1
Copepoda (Unident.) OJ999999	1
Unknown QA	3
Collembola (Unident.) QA999999	3
Coleoptera QC	25	5
Dytiscidae (Unident.) QC099999	17
Hydrophilidae (Unident.) QC119999	6

Hydraenidae (Unident.) QC139999	1

Hydrochidae (Unident.) QCAO9999	1

Diptera QD	44	3
Tipulidae (Unident.) QD019999	1
Culicidae (Unident.) QD079999	2

Ceratopogonidae (Unident.) QD099999	12

Simuliidae (Unident.) QD109999	3

Sciomyzidae (Unident.) QD459999	1

Diamesinae (Unident.) QDAB9999	4
Podonominae (Unident.) QDAD9999	2
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	10
Chironominae (Unident.) QDAJ9999	8
Ephemeroptera QE	29	9
Baetidae (Unident.) QE029999	6
Leptophlebiidae (Unident.) QE069999	13
Caenidae (Unident.) QE089999	10
Hemiptera QH	13	2
Corixidae (Unident.) QH659999	8
Notonectidae (Unident.) QH679999	5
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Odonata QO	14	3
Coenagrionidae (Unident.) QO029999	6
Lestidae (Unident.) QO059999	2
Megapodagrionidae (Unident.) QO079999	1
Aeshnidae (Unident.) QO129999	2
Gomphidae (Unident.) QO139999	1
Corduliidae (Unident.) QO169999	2
Plecoptera QP	8	10
Gripopterygidae (Unident.) QP039999	6
Notonemouridae (Unident.) QP049999	2
Trichoptera QT	6	8
Hydroptilidae (Unident.) QT039999	1
Leptoceridae (Unident.) QT259999	5

SIGNALT	3.8
	ORDER
Weighted SIGNALT	4.1