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

Sewells Ck 62620

Source	Office of Environment and Heritage
Latest Sample Date	13-10-2005
Taxa count ORDER	20
Taxa count FAMILY	44
Taxa count ALT	44
Mayflies present?	56
	ORDER	FAMILY	ALT
SIGNAL	3.2	3.7	2.8
Weighted SIGNAL	4.7		4.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures	40.18%	1,440,054,168m²
	Forestry	2.2.0 Production native forests	37.83%	1,355,727,799m²
	Minimal Use	1.3.0 Other minimal use, 2.1.0 Grazing native vegetation	16.09%	576,772,347m²
	Arable Farming	3.3.0 Cropping	3.38%	121,109,682m²
	Water	6.3.0 River	2.43%	87,078,862m²
	Residential And Infrastructure	5.4.5 Farm buildings/infrastructure	0.09%	3,252,946m²
Show minor land uses 2
				35,839,958m²

Waterbug sample history

Sampled on 13 October 2005

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	5	2
Dugesiidae (Unident.) IF619999	5
Nematomorpha IJ	2	6
Gordiidae (Unident.) IJ019999	2
Gastropoda KG	20	1
Lymnaeidae (Unident.) KG059999	2
Physidae (Unident.) KG089999	18
Bivalvia KP	9	3
Sphaeriidae (Unident.) KP039999	9
Hirudinea LH	6	1
Glossiphoniidae (Unident.) LH019999	5
Richardsonianidae (Unident.) LH039999	1
Oligochaeta LO	13	2
Oligochaeta (Unident.) LO999999	13
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OG	3
Cladocera (Unident.) OG999999	3
Unknown OH	2
Ostracoda (Unident.) OH999999	2
Unknown OJ	1
Copepoda (Unident.) OJ999999	1
Amphipoda OP	39	3
Ceinidae (Unident.) OP029999	39

Unknown OT	20
Atyidae (Unident.) OT019999	20

Unknown QA	3
Collembola (Unident.) QA999999	3
Coleoptera QC	106	5
Dytiscidae (Unident.) QC099999	15
Gyrinidae (Unident.) QC109999	6

Hydrophilidae (Unident.) QC119999	3

Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	8

Psephenidae (Unident.) QC379999	72

Diptera QD	78	3
Tipulidae (Unident.) QD019999	1
Ceratopogonidae (Unident.) QD099999	16

Simuliidae (Unident.) QD109999	13

Stratiomyidae (Unident.) QD249999	3
Diamesinae (Unident.) QDAB9999	4
Tanypodinae (Unident.) QDAE9999	13
Orthocladiinae (Unident.) QDAF9999	18
Chironominae (Unident.) QDAJ9999	10
Ephemeroptera QE	56	9
Baetidae (Unident.) QE029999	7
Leptophlebiidae (Unident.) QE069999	34
Caenidae (Unident.) QE089999	15
Hemiptera QH	11	2
Veliidae (Unident.) QH569999	3
Gerridae (Unident.) QH579999	2
Nepidae (Unident.) QH619999	1
Corixidae (Unident.) QH659999	2
Notonectidae (Unident.) QH679999	3
Odonata QO	71	3
Coenagrionidae (Unident.) QO029999	68
Lestidae (Unident.) QO059999	3
Plecoptera QP	69	10
Gripopterygidae (Unident.) QP039999	69
Trichoptera QT	46	8
Hydrobiosidae (Unident.) QT019999	6
Ecnomidae (Unident.) QT089999	19
Leptoceridae (Unident.) QT259999	21

SIGNALT	3.2
	ORDER
Weighted SIGNALT	3.8