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

LERDERDERG RIVER AT DARLEY LER0306

Source	Melbourne Water
Latest Sample Date	21-10-1997
Taxa count ORDER	14
Taxa count FAMILY	34
Taxa count ALT	41
Mayflies present?	8
	ORDER	FAMILY	ALT
SIGNAL	4.3	4.7	4.4
Weighted SIGNAL	4.9	7.5	5

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	43.86%	14,098,515,554m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	35.54%	11,423,844,601m²
	Residential And Infrastructure	5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.0 Utilities, 5.6.7 Water extraction and transmission, 5.7.2 Roads, 5.7.5 Navigation and communication	8.88%	2,853,648,935m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	6.29%	2,020,751,400m²
	Arable Farming	3.3.0 Cropping, 3.3.4 Oilseeds, 3.3.8 Pulses, 3.4.0 Perennial horticulture, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs, 4.4.0 Irrigated perennial horticulture, 4.5.3 Irrigated seasonal vegetables and herbs	2.61%	838,146,888m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	2.34%	752,907,375m²
	Minimal Use	1.3.0 Other minimal use	0.19%	61,492,435m²
	Industrial	5.3.5 Abattoirs, 5.5.1 Commercial services	0.17%	55,493,173m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	0.07%	23,497,109m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.02%	5,999,262m²
	Waste Management	5.9.5 Sewage/sewerage	0.01%	4,499,446m²
	Water	6.2.1 Reservoir, 6.4.1 Supply channel/aqueduct	0.01%	3,499,569m²
Show minor land uses 8
				321,422,957m²

Waterbug sample history

Sampled on 21 October 1997

Taxa	Abundance	SIGNALT Grade
Unknown IB	3
Hydridae (Unident.) IB019999	3
Gastropoda KG	8	1
Hydrobiidae (Unident.) KG029999	2
Physidae (Unident.) KG089999	6
Oligochaeta LO	40	2
Oligochaeta (Unident.) LO999999	40
Acarina MM	7	6
Mites (Unident.) MM999999	7

Amphipoda OP	66	3
Ceinidae (Unident.) OP029999	66

Unknown OT	16
Atyidae (Unident.) OT019999	16

Coleoptera QC	27	5
Dytiscidae (Unident.) QC099999	4
Dytiscidae (Unident.)(Larva) QC09999I	1
Hydrophilidae (Unident.) QC119999	3

Elmidae (Unident.) QC349999	2

Elmidae (Unident.)(Larvae) QC34999I	3

Psephenidae (Unident.) QC379999	14

Diptera QD	265	3
Simuliidae (Unident.) QD109999	46

Diamesinae (Unident.) QDAB9999	1
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	205
Chironominae (Unident.) QDAJ9999	9
Chironomidae (Unident.) (Pupa) QDAZ999I	3
Ephemeroptera QE	8	9
Baetidae (Unident.) QE029999	1
Leptophlebiidae (Unident.) QE069999	5
Caenidae (Unident.) QE089999	2
Hemiptera QH	63	2
Veliidae (Unident.) QH569999	27
Gerridae (Unident.) QH579999	20
Corixidae (Unident.) QH659999	16
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Odonata QO	6	3
Coenagrionidae (Unident.) QO029999	4
Lestidae (Unident.) QO059999	1
Telephlebiidae (Unident.) QO219999	1
Plecoptera QP	5	10
Dinotoperla thwaitesi QP030208	1
Gripopterygidae (Unident.) QP039999	4
Trichoptera QT	104	8
Ethochorema turbidum/brunneum QT0105A1	6
Taschorema complex QT0113A3	4
Ulmerochorema lentum QT011401	1
Ulmerochorema sp.(Unident.) QT011499	1
Agapetus sp.(Unident.) QT020199	3
Asmicridea sp.AV1 QT0602A1	5
Lingora sp.AV1 QT1505A1	5
Conoesucidae (Unident.) QT159999	4
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	74

SIGNALT	4.3
	ORDER
Weighted SIGNALT	3.9

Sampled on 23 April 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	26	1
Hydrobiidae (Unident.) KG029999	1
Ancylidae (Unident.) KG069999	12
Physidae (Unident.) KG089999	13
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Amphipoda OP	48	3
Ceinidae (Unident.) OP029999	48

Unknown OT	12
Atyidae (Unident.) OT019999	12

Coleoptera QC	24	5
Dytiscidae (Unident.) QC099999	5
Scirtidae (Unident.)(Larva) QC20999I	2

Elmidae (Unident.) QC349999	3

Psephenidae (Unident.) QC379999	14

Diptera QD	67	3
Simuliidae (Unident.) QD109999	12

Podonominae (Unident.) QDAD9999	1
Orthocladiinae (Unident.) QDAF9999	37
Chironominae (Unident.) QDAJ9999	14
Chironomidae (Unident.) (Pupa) QDAZ999I	3
Ephemeroptera QE	87	9
Baetidae (Unident.) QE029999	58
Atalophlebia sp.(Unident.) QE060199	1
Austrophlebioides pusillus QE060501	20
Nousia sp.AV1 QE0608A1	1
Ulmerophlebia sp.AV2 QE0612A2	1
Leptophlebiidae (Unident.) QE069999	6
Hemiptera QH	27	2
Veliidae (Unident.) QH569999	9
Gerridae (Unident.) QH579999	4
Corixidae (Unident.) QH659999	9
Notonectidae (Unident.) QH679999	5
Megaloptera QM	10	8
Corydalidae (Unident.) QM019999	10

Odonata QO	11	3
Coenagrionidae (Unident.) QO029999	3
Protoneuridae (Unident.) QO049999	1
Megapodagrionidae (Unident.) QO079999	3
Gomphidae (Unident.) QO139999	3
Telephlebiidae (Unident.) QO219999	1
Trichoptera QT	139	8
Ethochorema turbidum/brunneum QT0105A1	11
Taschorema complex QT0113A3	2
Ulmerochorema rubiconum / membrum group QT0114A1	4
Hydrobiosidae (Unident.) QT019999	1
Hydrobiosidae (Unident.) (Pupa) QT01999I	4
Hydroptilidae (Unident.) QT039999	1
Chimarra australica QT040101	27
Chimarra sp.(Unident.) QT040199	2
Asmicridea sp.AV1 QT0602A1	13
Cheumatopsyche deani QT060507	13
Ecnomus sp.(Unident.) QT080499	4
Lingora sp.AV1 QT1505A1	4
Calamoceratidae (Unident.) QT249999	1
Oecetis sp.(Unident.) QT250799	1
Leptoceridae (Unident.) QT259999	51

SIGNALT	4.0
	ORDER
Weighted SIGNALT	4.1