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

Bow Creek @ Brentwood 45128

Source	Office of Environment and Heritage
Latest Sample Date	19-05-2010
Taxa count ORDER	14
Taxa count FAMILY	45
Taxa count ALT	45
Mayflies present?	29
	ORDER	FAMILY	ALT
SIGNAL	4.1	4.6	4
Weighted SIGNAL	5.2		4.8

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	47.30%	264,687,272m²
	Pastoral Farming	3.2.0 Grazing modified pastures	37.95%	212,400,278m²
	Arable Farming	3.3.0 Cropping	9.61%	53,788,056m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.7.0 Transport and communication	3.00%	16,761,859m²
	Water	6.3.0 River	2.15%	12,008,496m²
Show minor land uses 2
				5,596,460m²

Waterbug sample history

Sampled on 19 May 2010

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	6	1
Physidae (Unident.) KG089999	6
Bivalvia KP	5	3
Sphaeriidae (Unident.) KP039999	5
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OH	5
Ostracoda (Unident.) OH999999	5
Unknown OT	2
Atyidae (Unident.) OT019999	2

Unknown QA	6
Collembola (Unident.) QA999999	6
Coleoptera QC	52	5
Dytiscidae (Unident.) QC099999	9
Gyrinidae (Unident.) QC109999	6

Hydrophilidae (Unident.) QC119999	15

Hydraenidae (Unident.) QC139999	7

Scirtidae (Unident.) QC209999	9

Elmidae (Unident.) QC349999	3

Psephenidae (Unident.) QC379999	2

Ptilodactylidae (Unident.) QC399999	1

Diptera QD	74	3
Tipulidae (Unident.) QD019999	7
Dixidae (Unident.) QD069999	6

Ceratopogonidae (Unident.) QD099999	18

Simuliidae (Unident.) QD109999	7

Stratiomyidae (Unident.) QD249999	8
Tanypodinae (Unident.) QDAE9999	9
Orthocladiinae (Unident.) QDAF9999	10
Chironominae (Unident.) QDAJ9999	9
Ephemeroptera QE	29	9
Baetidae (Unident.) QE029999	11
Leptophlebiidae (Unident.) QE069999	13
Caenidae (Unident.) QE089999	5
Hemiptera QH	21	2
Hydrometridae (Unident.) QH549999	2
Veliidae (Unident.) QH569999	7
Corixidae (Unident.) QH659999	6
Notonectidae (Unident.) QH679999	6
Megaloptera QM	8	8
Corydalidae (Unident.) QM019999	4

Sialidae (Unident.) QM029999	4
Odonata QO	35	3
Coenagrionidae (Unident.) QO029999	6
Lestidae (Unident.) QO059999	1
Megapodagrionidae (Unident.) QO079999	1
Synlestidae (Unident.) QO089999	9
Aeshnidae (Unident.) QO129999	3
Gomphidae (Unident.) QO139999	15
Plecoptera QP	3	10
Gripopterygidae (Unident.) QP039999	3
Trichoptera QT	81	8
Hydrobiosidae (Unident.) QT019999	15
Hydroptilidae (Unident.) QT039999	7
Philopotamidae (Unident.) QT049999	20
Hydropsychidae (Unident.) QT069999	9
Ecnomidae (Unident.) QT089999	8
Philorheithridae (Unident.) QT219999	8
Leptoceridae (Unident.) QT259999	14

SIGNALT	4.1
	ORDER
Weighted SIGNALT	4.5