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

Lachlan R d/s Humes Ck LACH06

Source	Office of Environment and Heritage
Latest Sample Date	07-12-1998
Taxa count ORDER	9
Taxa count FAMILY	21
Taxa count ALT	21
Mayflies present?	125
	ORDER	FAMILY	ALT
SIGNAL	3.4	4.6	2.8
Weighted SIGNAL	5.5		4

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures, 3.2.5 Sown grasses, 4.2.0 Grazing irrigated modified pastures	53.89%	31,118,693,440m²
	Minimal Use	1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	27.44%	15,844,475,783m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture	14.12%	8,154,616,203m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.5 Farm buildings/infrastructure, 5.5.3 Recreation and culture, 5.7.0 Transport and communication, 5.7.2 Roads	2.47%	1,424,520,299m²
	Water	6.2.0 Reservoir/dam, 6.2.2 Water storage - intensive use/farm dams, 6.3.0 River, 6.5.0 Marsh/wetland, 6.5.1 Marsh/wetland - conservation	1.25%	723,260,306m²
	Natural	1.2.0 Managed resource protection, 1.2.1 Biodiversity	0.38%	221,003,149m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.29%	165,752,362m²
	Intensive Pastoral Farming	5.2.0 Intensive animal production, 5.2.3 Poultry farms, 5.2.6 Horse studs, 5.2.7 Saleyards/stockyards	0.14%	82,501,176m²
	Mining	5.8.0 Mining	0.02%	12,000,171m²
Show minor land uses 6
				577,468,229m²

Waterbug sample history

Sampled on 7 December 1998

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Physidae (Unident.) KG089999	2
Unknown OT	4
Atyidae (Unident.) OT019999	4

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	14	5
Dytiscidae (Unident.) QC099999	7
Hydrophilidae (Unident.) QC119999	6

Hydraenidae (Unident.) QC139999	1

Diptera QD	8	3
Tipulidae (Unident.) QD019999	2
Empididae (Unident.) QD359999	1
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	125	9
Baetidae (Unident.) QE029999	90
Leptophlebiidae (Unident.) QE069999	15
Caenidae (Unident.) QE089999	20
Hemiptera QH	38	2
Veliidae (Unident.) QH569999	4
Corixidae (Unident.) QH659999	29
Notonectidae (Unident.) QH679999	5
Odonata QO	3	3
Coenagrionidae (Unident.) QO029999	2
Gomphidae (Unident.) QO139999	1
Trichoptera QT	36	8
Hydroptilidae (Unident.) QT039999	4
Hydropsychidae (Unident.) QT069999	3
Ecnomidae (Unident.) QT089999	21
Leptoceridae (Unident.) QT259999	8

SIGNALT	3.4
	ORDER
Weighted SIGNALT	4.7

Sampled on 24 May 1998

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	7	1
Physidae (Unident.) KG089999	7
Oligochaeta LO	24	2
Oligochaeta (Unident.) LO999999	24
Amphipoda OP	6	3
Paramelitidae (Unident.) OP069999	6

Unknown OT	4
Atyidae (Unident.) OT019999	4

Coleoptera QC	95	5
Dytiscidae (Unident.) QC099999	33
Gyrinidae (Unident.) QC109999	60

Psephenidae (Unident.) QC379999	2

Diptera QD	103	3
Ceratopogonidae (Unident.) QD099999	20

Tanypodinae (Unident.) QDAE9999	18
Chironominae (Unident.) QDAJ9999	65
Ephemeroptera QE	205	9
Baetidae (Unident.) QE029999	3
Leptophlebiidae (Unident.) QE069999	6
Caenidae (Unident.) QE089999	196
Hemiptera QH	355	2
Corixidae (Unident.) QH659999	325
Notonectidae (Unident.) QH679999	30
Odonata QO	14	3
Coenagrionidae (Unident.) QO029999	9
Aeshnidae (Unident.) QO129999	5
Trichoptera QT	12	8
Ecnomidae (Unident.) QT089999	10
Leptoceridae (Unident.) QT259999	2

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.9

Sampled on 18 March 1996

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 OH	3
Ostracoda (Unident.) OH999999	3
Unknown OV	10
Parastacidae (Unident.) OV019999	10

Coleoptera QC	71	5
Dytiscidae (Unident.) QC099999	27
Gyrinidae (Unident.) QC109999	3

Hydrophilidae (Unident.) QC119999	39

Hydraenidae (Unident.) QC139999	2

Diptera QD	52	3
Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	51
Ephemeroptera QE	243	9
Baetidae (Unident.) QE029999	115
Leptophlebiidae (Unident.) QE069999	20
Caenidae (Unident.) QE089999	108
Hemiptera QH	173	2
Corixidae (Unident.) QH659999	158
Notonectidae (Unident.) QH679999	15
Odonata QO	2	3
Coenagrionidae (Unident.) QO029999	2
Trichoptera QT	7	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	1
Ecnomidae (Unident.) QT089999	2
Leptoceridae (Unident.) QT259999	3

SIGNALT	3.5
	ORDER
Weighted SIGNALT	4.0

Sampled on 26 October 1994

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	5	2
Dugesiidae (Unident.) IF619999	5
Unknown OH	1
Ostracoda (Unident.) OH999999	1
Unknown OV	6
Parastacidae (Unident.) OV019999	6

Coleoptera QC	5	5
Dytiscidae (Unident.) QC099999	2
Hydrophilidae (Unident.) QC119999	3

Diptera QD	18	3
Ceratopogonidae (Unident.) QD099999	16

Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	1
Ephemeroptera QE	171	9
Baetidae (Unident.) QE029999	10
Leptophlebiidae (Unident.) QE069999	2
Caenidae (Unident.) QE089999	159
Hemiptera QH	6	2
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	4
Notonectidae (Unident.) QH679999	1
Odonata QO	6	3
Coenagrionidae (Unident.) QO029999	2
Gomphidae (Unident.) QO139999	3
Corduliidae (Unident.) QO169999	1
Plecoptera QP	1	10
Gripopterygidae (Unident.) QP039999	1
Trichoptera QT	1	8
Hydroptilidae (Unident.) QT039999	1

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.2

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