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

Blaxlands Ck @ Geregarow Rd 41253

Source	Office of Environment and Heritage
Latest Sample Date	02-06-2010
Taxa count ORDER	13
Taxa count FAMILY	30
Taxa count ALT	30
Mayflies present?	16
	ORDER	FAMILY	ALT
SIGNAL	4.1	4.6	3.7
Weighted SIGNAL	4.5		4.3

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	84.85%	10,276,225,309m²
	Pastoral Farming	3.2.0 Grazing modified pastures	7.49%	906,953,692m²
	Natural	1.1.1 Strict nature reserves	3.49%	422,728,416m²
	Water	6.5.0 Marsh/wetland	2.81%	340,482,615m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.5.0 Services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.7.0 Transport and communication	1.27%	153,492,163m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.06%	7,749,604m²
	Arable Farming	3.4.3 Tree nuts	0.02%	2,249,885m²
	Unknown	3.6.5 Abandoned perennial horticulture	0.01%	749,962m²
Show minor land uses 5
				121,106,316m²

Waterbug sample history

Sampled on 2 June 2010

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	5	1
Hydrobiidae (Unident.) KG029999	1
Physidae (Unident.) KG089999	4
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OT	10
Atyidae (Unident.) OT019999	10

Coleoptera QC	42	5
Dytiscidae (Unident.) QC099999	2
Gyrinidae (Unident.) QC109999	6

Hydrophilidae (Unident.) QC119999	27

Elmidae (Unident.) QC349999	7

Diptera QD	10	3
Tipulidae (Unident.) QD019999	2
Simuliidae (Unident.) QD109999	6

Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	16	9
Baetidae (Unident.) QE029999	14
Leptophlebiidae (Unident.) QE069999	2
Hemiptera QH	8	2
Hydrometridae (Unident.) QH549999	2
Corixidae (Unident.) QH659999	5
Pleidae (Unident.) QH689999	1
Lepidoptera QL	2	2
Crambidae (Unident.) QL019999	2

Odonata QO	18	3
Coenagrionidae (Unident.) QO029999	8
Gomphidae (Unident.) QO139999	2
Libellulidae (Unident.) QO179999	8
Plecoptera QP	9	10
Gripopterygidae (Unident.) QP039999	9
Trichoptera QT	35	8
Hydroptilidae (Unident.) QT039999	1
Philopotamidae (Unident.) QT049999	1
Hydropsychidae (Unident.) QT069999	2
Atriplectididae (Unident.) QT239999	1
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	29

SIGNALT	4.1
	ORDER
Weighted SIGNALT	4.8

Our waterways under the magnifying glass

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