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

Nymboida River @ Tyringham Rd 43156

Source	Office of Environment and Heritage
Latest Sample Date	27-05-2010
Taxa count ORDER	13
Taxa count FAMILY	40
Taxa count ALT	40
Mayflies present?	33
	ORDER	FAMILY	ALT
SIGNAL	4.4	5.2	4.8
Weighted SIGNAL	5.2		5.7

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	48.51%	9,943,103,168m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.1 Native/exotic pasture mosaic, 3.2.5 Sown grasses	30.27%	6,205,784,228m²
	Arable Farming	3.3.0 Cropping	7.06%	1,447,083,094m²
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.2.0 Managed resource protection	6.57%	1,345,844,771m²
	Water	6.3.0 River	3.39%	694,419,906m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	2.61%	535,938,185m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	1.56%	319,713,124m²
	Mining	5.8.0 Mining	0.03%	6,499,250m²
Show minor land uses 3
				204,983,857m²

Waterbug sample history

Sampled on 27 May 2010

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	3	1
Physidae (Unident.) KG089999	3
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OJ	1
Copepoda (Unident.) OJ999999	1
Unknown OT	8
Atyidae (Unident.) OT019999	8

Coleoptera QC	35	5
Dytiscidae (Unident.) QC099999	1
Gyrinidae (Unident.) QC109999	6

Hydrophilidae (Unident.) QC119999	9

Hydraenidae (Unident.) QC139999	10

Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	8

Diptera QD	28	3
Tipulidae (Unident.) QD019999	1
Dixidae (Unident.) QD069999	9

Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	7

Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	33	9
Baetidae (Unident.) QE029999	15
Leptophlebiidae (Unident.) QE069999	18
Hemiptera QH	7	2
Gerridae (Unident.) QH579999	1
Corixidae (Unident.) QH659999	6
Megaloptera QM	3	8
Corydalidae (Unident.) QM019999	3

Odonata QO	17	3
Synlestidae (Unident.) QO089999	3
Aeshnidae (Unident.) QO129999	3
Gomphidae (Unident.) QO139999	5
Corduliidae (Unident.) QO169999	6
Plecoptera QP	14	10
Gripopterygidae (Unident.) QP039999	14
Trichoptera QT	79	8
Hydrobiosidae (Unident.) QT019999	12
Glossosomatidae (Unident.) QT029999	1
Hydroptilidae (Unident.) QT039999	1
Philopotamidae (Unident.) QT049999	11
Hydropsychidae (Unident.) QT069999	2
Conoesucidae (Unident.) QT159999	4
Helicophidae (Unident.) QT199999	19
Philorheithridae (Unident.) QT219999	2
Odontoceridae (Unident.) QT229999	1
Atriplectididae (Unident.) QT239999	2
Calamoceratidae (Unident.) QT249999	4
Leptoceridae (Unident.) QT259999	20

SIGNALT	4.4
	ORDER
Weighted SIGNALT	5.1