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

LETHE BROOK CREEK AT LOWER (1ST X-ING) 1220017

Source	MIV
Latest Sample Date	25-11-1997
Taxa count ORDER	9
Taxa count FAMILY	16
Taxa count ALT	16
Mayflies present?	5
	ORDER	FAMILY	ALT
SIGNAL	4	3.8	3.1
Weighted SIGNAL	3.4		3.8

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	50.94%	4,282,062,598m²
	Arable Farming	4.3.5 Irrigated sugar	25.80%	2,168,655,090m²
	Forestry	2.2.0 Production native forests	20.09%	1,688,926,085m²
	Residential And Infrastructure	5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.4.5 Farm buildings/infrastructure, 5.5.3 Recreation and culture	1.93%	162,492,889m²
	Water	6.2.0 Reservoir/dam	1.03%	86,746,204m²
	Unknown	3.6.0 Land in transition	0.20%	16,749,267m²
Show minor land uses 3
				84,056,321m²

Waterbug sample history

Sampled on 25 November 1997

Taxa	Abundance	SIGNALT Grade
Acarina MM	10	6
Mites (Unident.) MM999999	10

Unknown OJ	1
Copepoda (Unident.) OJ999999	1
Unknown OT	26
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	6

Coleoptera QC	13	5
Noteridae (Unident.) QC089999	4

Dytiscidae (Unident.) QC099999	3
Psephenidae (Unident.) QC379999	6

Diptera QD	3	3
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	5	9
Baetidae (Unident.) QE029999	1
Leptophlebiidae (Unident.) QE069999	4
Hemiptera QH	18	2
Hydrometridae (Unident.) QH549999	1
Veliidae (Unident.) QH569999	6
Gerridae (Unident.) QH579999	9
Pleidae (Unident.) QH689999	2
Odonata QO	7	3
Coenagrionidae (Unident.) QO029999	7
Trichoptera QT	10	8
Leptoceridae (Unident.) QT259999	10

SIGNALT	4.0
	ORDER
Weighted SIGNALT	3.8

Sampled on 12 June 1997

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	8	6
Mites (Unident.) MM999999	8

Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OT	30
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	10

Coleoptera QC	3	5
Hydrophilidae (Unident.) QC119999	3

Diptera QD	3	3
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	7	9
Baetidae (Unident.) QE029999	1
Leptophlebiidae (Unident.) QE069999	5
Caenidae (Unident.) QE089999	1
Hemiptera QH	2	2
Veliidae (Unident.) QH569999	2
Odonata QO	5	3
Gomphidae (Unident.) QO139999	5
Trichoptera QT	5	8
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	4

SIGNALT	3.8
	ORDER
Weighted SIGNALT	3.8

Sampled on 30 May 1996

Taxa	Abundance	SIGNALT Grade
Acarina MM	20	6
Mites (Unident.) MM999999	20

Unknown OJ	4
Copepoda (Unident.) OJ999999	4
Unknown OT	23
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	3

Coleoptera QC	6	5
Dytiscidae (Unident.) QC099999	5
Hydraenidae (Unident.) QC139999	1

Diptera QD	15	3
Tipulidae (Unident.) QD019999	1
Ceratopogonidae (Unident.) QD099999	2

Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	11
Ephemeroptera QE	6	9
Leptophlebiidae (Unident.) QE069999	4
Caenidae (Unident.) QE089999	2
Hemiptera QH	5	2
Gerridae (Unident.) QH579999	2
Nepidae (Unident.) QH619999	2
Corixidae (Unident.) QH659999	1
Odonata QO	5	3
Coenagrionidae (Unident.) QO029999	1
Gomphidae (Unident.) QO139999	4
Trichoptera QT	1	8
Hydroptilidae (Unident.) QT039999	1

SIGNALT	4.0
	ORDER
Weighted SIGNALT	3.7

Sampled on 17 May 1995

Taxa	Abundance	SIGNALT Grade
Unknown IA	2
PORIFERA (Unident.) IA999999	2
Turbellaria IF	2	2
Temnocephalidea (Unident.) IF499999	2
Nematoda II	2	3
Nematoda (Unident.) II999999	2
Acarina MM	10	6
Mites (Unident.) MM999999	10

Unknown OJ	14
Copepoda (Unident.) OJ999999	14
Unknown OT	40
Atyidae (Unident.) OT019999	34

Palaemonidae (Unident.) OT029999	6

Unknown OV	4
Parastacidae (Unident.) OV019999	4

Coleoptera QC	24	5
Dytiscidae (Unident.) QC099999	12
Hydrophilidae (Unident.) QC119999	12

Diptera QD	35	3
Ceratopogonidae (Unident.) QD099999	4

Tanypodinae (Unident.) QDAE9999	4
Chironominae (Unident.) QDAJ9999	17
Diptera (Unident.)(Larva) QDZZ9999	10

Ephemeroptera QE	4	9
Baetidae (Unident.) QE029999	2
Caenidae (Unident.) QE089999	2
Hemiptera QH	2	2
Naucoridae (Unident.) QH669999	2
Odonata QO	2	3
Coenagrionidae (Unident.) QO029999	2
Trichoptera QT	2	8
Leptoceridae (Unident.) QT259999	2

SIGNALT	3.2
	ORDER
Weighted SIGNALT	2.9

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