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

Davis Creek @ Studleigh 52387

Source	Office of Environment and Heritage
Latest Sample Date	08-11-2008
Taxa count ORDER	14
Taxa count FAMILY	43
Taxa count ALT	43
Mayflies present?	43
	ORDER	FAMILY	ALT
SIGNAL	4.2	4.9	4.3
Weighted SIGNAL	6		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	76.44%	9,918,339,805m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	12.34%	1,601,054,853m²
	Natural	1.1.3 National park	10.39%	1,348,546,202m²
	Water	6.2.0 Reservoir/dam, 6.3.0 River	0.72%	93,003,186m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure	0.11%	14,750,505m²
Show minor land uses 2
				129,756,946m²

Waterbug sample history

Sampled on 8 November 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	3	2
Dugesiidae (Unident.) IF619999	3
Gastropoda KG	2	1
Physidae (Unident.) KG089999	2
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OT	16
Atyidae (Unident.) OT019999	16

Unknown QA	1
Collembola (Unident.) QA999999	1
Coleoptera QC	65	5
Carabidae (Unident.) QC059999	1
Dytiscidae (Unident.) QC099999	16
Hydrophilidae (Unident.) QC119999	12

Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	17

Psephenidae (Unident.) QC379999	18

Diptera QD	60	3
Tipulidae (Unident.) QD019999	6
Dixidae (Unident.) QD069999	2

Ceratopogonidae (Unident.) QD099999	12

Stratiomyidae (Unident.) QD249999	3
Tanypodinae (Unident.) QDAE9999	4
Chironominae (Unident.) QDAJ9999	33
Ephemeroptera QE	43	9
Baetidae (Unident.) QE029999	11
Leptophlebiidae (Unident.) QE069999	23
Caenidae (Unident.) QE089999	9
Hemiptera QH	19	2
Veliidae (Unident.) QH569999	8
Gerridae (Unident.) QH579999	1
Gelastocoridae (Unident.) QH649999	1
Corixidae (Unident.) QH659999	4
Notonectidae (Unident.) QH679999	5
Megaloptera QM	9	8
Corydalidae (Unident.) QM019999	9

Odonata QO	10	3
Synlestidae (Unident.) QO089999	3
Diphlebiidae (Unident.) QO099999	1
Aeshnidae (Unident.) QO129999	1
Gomphidae (Unident.) QO139999	4
Corduliidae (Unident.) QO169999	1
Plecoptera QP	23	10
Eustheniidae (Unident.) QP019999	1
Gripopterygidae (Unident.) QP039999	22
Trichoptera QT	57	8
Hydrobiosidae (Unident.) QT019999	18
Philopotamidae (Unident.) QT049999	3
Hydropsychidae (Unident.) QT069999	1
Polycentropodidae (Unident.) QT079999	1
Ecnomidae (Unident.) QT089999	2
Conoesucidae (Unident.) QT159999	6
Calocidae (Unident.) (Pupa) QT18999I	2
Philorheithridae (Unident.) QT219999	8
Leptoceridae (Unident.) QT259999	16

SIGNALT	4.2
	ORDER
Weighted SIGNALT	5.0