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

Bacchus Marsh Gauge WER0351

Source	Melbourne Water
Latest Sample Date	16-03-2007
Taxa count ORDER	12
Taxa count FAMILY	24
Taxa count ALT	24
Mayflies present?	0
	ORDER	FAMILY	ALT
SIGNAL	3.1	3.6	2.5
Weighted SIGNAL	3.6		3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	44.52%	15,770,974,743m²
	Forestry	2.2.0 Production native forests	30.01%	10,630,895,935m²
	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, 5.7.2 Roads, 5.7.5 Navigation and communication	16.67%	5,904,303,356m²
	Natural	1.1.1 Strict nature reserves, 1.1.4 Natural feature protection, 1.1.7 Other conserved area	3.66%	1,297,956,771m²
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds, 4.3.0 Irrigated cropping, 4.5.3 Irrigated seasonal vegetables and herbs	2.79%	986,967,129m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	1.05%	371,737,619m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.51%	179,494,022m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.31%	108,746,378m²
	Minimal Use	1.3.0 Other minimal use	0.27%	94,246,861m²
	Intensive Pastoral Farming	5.2.3 Poultry farms	0.10%	36,248,793m²
	Industrial	5.3.4 Bulk grain storage, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.09%	31,748,943m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.5 Sewage/sewerage	0.03%	11,749,609m²
Show minor land uses 8
				354,250,702m²

Waterbug sample history

Sampled on 16 March 2007

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	13	1
Hydrobiidae (Unident.) KG029999	4
Physidae (Unident.) KG089999	9
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	93	3
Ceinidae (Unident.) OP029999	90

Paramelitidae (Unident.) OP069999	3

Unknown OT	30
Atyidae (Unident.) OT019999	30

Coleoptera QC	5	5
Dytiscidae (Unident.)(Larva) QC09999I	2
Hydrophilidae (Unident.) QC119999	3

Diptera QD	31	3
Ceratopogonidae (Unident.) QD099999	4

Tanypodinae (Unident.) QDAE9999	5
Chironominae (Unident.) QDAJ9999	22
Hemiptera QH	80	2
Veliidae (Unident.) QH569999	16
Corixidae (Unident.) QH659999	57
Notonectidae (Unident.) QH679999	7
Lepidoptera QL	2	2
Crambidae (Unident.) QL019999	2

Odonata QO	39	3
Coenagrionidae (Unident.) QO029999	36
Aeshnidae (Unident.) QO129999	1
Telephlebiidae (Unident.) QO219999	2
Trichoptera QT	22	8
Hydroptilidae (Unident.) QT039999	11
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	9
Trichoptera (Unident.) QT999999	1

SIGNALT	3.1
	ORDER
Weighted SIGNALT	3.0

Sampled on 2 October 2006

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	29	1
Hydrobiidae (Unident.) KG029999	7
Physidae (Unident.) KG089999	22
Bivalvia KP	8	3
Sphaeriidae (Unident.) KP039999	8
Oligochaeta LO	27	2
Oligochaeta (Unident.) LO999999	27
Acarina MM	6	6
Mites (Unident.) MM999999	6

Amphipoda OP	153	3
Ceinidae (Unident.) OP029999	153

Unknown OT	18
Atyidae (Unident.) OT019999	18

Coleoptera QC	18	5
Dytiscidae (Unident.)(Larva) QC09999I	1
Hydrophilidae (Unident.) QC119999	9

Hydrophilidae (Unident.)(Larva) QC11999I	1

Scirtidae (Unident.)(Larva) QC20999I	2

Elmidae (Unident.) QC349999	3

Elmidae (Unident.)(Larvae) QC34999I	2

Diptera QD	112	3
Dixidae (Unident.) QD069999	1

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	22

Psychodidae (Unident.) QD129999	1

Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	55
Chironominae (Unident.) QDAJ9999	25
Chironomidae (Unident.) (Pupa) QDAZ999I	2
Ephemeroptera QE	1	9
Caenidae (Unident.) QE089999	1
Hemiptera QH	21	2
Veliidae (Unident.) QH569999	10
Gerridae (Unident.) QH579999	4
Corixidae (Unident.) QH659999	7
Lepidoptera QL	2	2
Crambidae (Unident.) QL019999	2

Odonata QO	30	3
Coenagrionidae (Unident.) QO029999	26
Telephlebiidae (Unident.) QO219999	3
Hemicorduliidae (Unident.) QO309999	1
Plecoptera QP	10	10
Gripopterygidae (Unident.) QP039999	10
Trichoptera QT	70	8
Hydrobiosidae (Unident.) QT019999	1
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	30
Ecnomidae (Unident.) QT089999	3
Calamoceratidae (Unident.) QT249999	7
Leptoceridae (Unident.) QT259999	28

SIGNALT	4.1
	ORDER
Weighted SIGNALT	3.7

Sampled on 15 April 2003

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Gastropoda KG	15	1
Hydrobiidae (Unident.) KG029999	10
Physidae (Unident.) KG089999	5
Bivalvia KP	12	3
Corbiculidae (Unident.) KP029999	12
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Acarina MM	4	6
Mites (Unident.) MM999999	4

Amphipoda OP	96	3
Ceinidae (Unident.) OP029999	96

Unknown OT	26
Atyidae (Unident.) OT019999	26

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	45	5
Dytiscidae (Unident.) QC099999	6
Hydrophilidae (Unident.) QC119999	3

Scirtidae (Unident.)(Larva) QC20999I	1

Elmidae (Unident.) QC349999	8

Elmidae (Unident.)(Larvae) QC34999I	3

Psephenidae (Unident.) QC379999	24

Diptera QD	37	3
Simuliidae (Unident.) QD109999	7

Orthocladiinae (Unident.) QDAF9999	9
Chironominae (Unident.) QDAJ9999	21
Ephemeroptera QE	1	9
Baetidae (Unident.) QE029999	1
Hemiptera QH	13	2
Veliidae (Unident.) QH569999	3
Corixidae (Unident.) QH659999	10
Odonata QO	20	3
Coenagrionidae (Unident.) QO029999	15
Aeshnidae (Unident.) QO129999	2
Gomphidae (Unident.) QO139999	2
Telephlebiidae (Unident.) QO219999	1
Plecoptera QP	1	10
Notonemouridae (Unident.) QP049999	1
Trichoptera QT	94	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	47
Ecnomidae (Unident.) QT089999	2
Conoesucidae (Unident.) QT159999	2
Calamoceratidae (Unident.) QT249999	9
Leptoceridae (Unident.) QT259999	33

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.4

Sampled on 28 October 2002

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Gastropoda KG	19	1
Hydrobiidae (Unident.) KG029999	14
Planorbidae (Unident.) KG079999	1
Physidae (Unident.) KG089999	4
Bivalvia KP	1	3
Sphaeriidae (Unident.) KP039999	1
Oligochaeta LO	12	2
Oligochaeta (Unident.) LO999999	12
Acarina MM	5	6
Mites (Unident.) MM999999	5

Amphipoda OP	333	3
Ceinidae (Unident.) OP029999	333

Unknown OT	6
Atyidae (Unident.) OT019999	6

Coleoptera QC	7	5
Scirtidae (Unident.)(Larva) QC20999I	2

Elmidae (Unident.) QC349999	1

Psephenidae (Unident.) QC379999	4

Diptera QD	89	3
Simuliidae (Unident.) QD109999	12

Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	67
Chironominae (Unident.) QDAJ9999	8
Chironomidae (Unident.) (Pupa) QDAZ999I	1
Ephemeroptera QE	5	9
Baetidae (Unident.) QE029999	4
Caenidae (Unident.) QE089999	1
Hemiptera QH	10	2
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	8
Notonectidae (Unident.) QH679999	1
Odonata QO	3	3
Coenagrionidae (Unident.) QO029999	2
Aeshnidae (Unident.) QO129999	1
Plecoptera QP	3	10
Gripopterygidae (Unident.) QP039999	3
Trichoptera QT	58	8
Hydrobiosidae (Unident.) QT019999	3
Hydroptilidae (Unident.) QT039999	4
Hydropsychidae (Unident.) QT069999	26
Ecnomidae (Unident.) QT089999	1
Conoesucidae (Unident.) QT159999	7
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	15

SIGNALT	4.1
	ORDER
Weighted SIGNALT	3.9

Sampled on 13 March 1996

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	54	1
Hydrobiidae (Unident.) KG029999	21
Physa acuta KG080101	33
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Amphipoda OP	12	3
Austrochiltonia sp.(Unident.) OP020199	12

Unknown OT	18
Paratya australiensis OT010101	18

Coleoptera QC	27	5
Necterosoma penicillatus QC092001	6

Platynectes decempunctatus QC092201	6

Aulonogyrus strigosus QC100201	3

Berosus involutus QC110412	4

Hydrophilidae (Unident.) QC119999	3

Staphylinidae (Unident.) QC189999	1
Austrolimnius sp.(Unident.) QC340199	4

Diptera QD	10	3
Tipulidae SRV sp.37 QD0199B1	1
Tipulidae EPA sp.8 QD0199B9	1
Austrosimulium furiosum QD100102	6

Thienemanniella sp.(Unident.) QDAF0799	1
Parametriocnemus sp.(Unident.) QDAF1199	1
Ephemeroptera QE	6	9
Baetis EPA sp.6 QE0201A6	5
Atalophlebia albiterminata QE060101	1
Hemiptera QH	15	2
Microvelia peramoena QH560103	3
Microvelia fluvialis fluvialis QH560105	1
Microvelia sp.(Unident.) QH560199	5
Gerridae EPA sp.1 QH5799A1	3
Gerridae EPA sp.4 QH5799A4	1
Micronecta sp.(Unident.) QH650599	2
Megaloptera QM	1	8
Archichauliodes sp.(Unident.) QM010199	1

Plecoptera QP	1	10
Leptoperla neboissi QP030705	1
Trichoptera QT	8	8
Ethochorema hesperium QT010502	2
Chimarra australica QT040101	1
Notalina spira QT250504	2
Triplectides australicus QT251102	3

SIGNALT	4.6
	ORDER
Weighted SIGNALT	3.8

Sampled on 6 December 1995

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Hydrobiidae (Unident.) KG029999	2
Oligochaeta LO	56	2
Oligochaeta (Unident.) LO999999	56
Acarina MM	2	6
Mites (Unident.) MM999999	2

Amphipoda OP	114	3
Austrochiltonia sp.(Unident.) OP020199	114

Unknown OT	40
Paratya australiensis OT010101	40

Coleoptera QC	18	5
Limbodessus gemellus QC091003	2

Allodessus bistrigatus QC091101	2

Necterosoma sp.(Unident.)(Larva) QC09209I	6

Paracymus EPA sp.A1 QC1116A1	3

Austrolimnius sp.(Unident.) QC340199	2

Simsonia sp.L12E QC3402A9	1

Simsonia sp.L2E(A) QC3402B2	2

Diptera QD	669	3
Ceratopogonidae EPA sp.28 QD0999E9	2

Austrosimulium furiosum QD100102	556

Paramerina sp.(Unident.) QDAE1299	1
Austropelopia sp.(Unident.) QDAE1399	1
Corynoneura sp.(Unident.) QDAF0699	13
Thienemanniella sp.(Unident.) QDAF0799	5
Eukiefferiella sp.(Unident.) QDAF1399	3
Cricotopus/Paratrichocladius QDAF99A8	58
Cladotanytarsus sp.(Unident.) QDAH0399	9
Tanytarsus sp.(Unident.) QDAH0499	1
Rheotanytarsus sp.(Unident.) QDAH0799	6
Dicrotendipes sp.(Unident.) QDAI0699	1
Polypedilum sp.(Unident.) QDAI0899	12
Chironomidae (Unident.)(Larva) QDAZ9999	1
Ephemeroptera QE	20	9
Baetis sp.(Unident.) QE020199	4
Baetidae MV/EPA sp.5 QE0201A5	14
Tasmanocoenis sp.(Unident.) QE080199	2
Hemiptera QH	14	2
Micronecta sp.(Unident.) QH650599	12
Enithares woodwardi QH670101	2
Megaloptera QM	3	8
Archichauliodes sp.(Unident.) QM010199	3

Odonata QO	7	3
Synlestes weyersii QO080302	1
Austroaeschna parvistigma QO210305	2
Austroaeschna pulchra QO210306	3
Austroaeschna unicornis unicornis QO210308	1
Plecoptera QP	4	10
Dinotoperla serricauda QP030207	2
Illiesoperla sp.(Unident.) QP030599	1
Austrocercella / Austrocercoides sp.(Unident.) QP0499A1	1
Trichoptera QT	13	8
Taschorema evansi QT011301	1
Cheumatopsyche deani QT060507	2
Smicrophylax sp.AV1 QT0608A1	1
Costora sp.(Unident.) QT150399	4
Notalina spira QT250504	1
Triplectides ciuskus ciuskus QT251104	4

SIGNALT	4.6
	ORDER
Weighted SIGNALT	4.2

Sampled on 16 March 1995

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	2	2
Dugesiidae (Unident.) IF619999	2
Gastropoda KG	61	1
Hydrobiidae (Unident.) KG029999	17
Ferrissia tasmanica KG060102	6
Physa acuta KG080101	38
Hirudinea LH	24	1
Glossiphoniidae (Unident.) LH019999	24
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	13	6
Mites (Unident.) MM999999	13

Amphipoda OP	57	3
Austrochiltonia sp.(Unident.) OP020199	45

Amphipoda (Unident.) OP999999	12

Unknown OT	26
Paratya australiensis OT010101	26

Coleoptera QC	89	5
Sternopriscus mundanus QC091807	6

Berosus involutus QC110412	1

Paracymus EPA sp.A1 QC1116A1	3

Ochthebius cf MDFRC sp.2 (A) QC1303A8	1

Austrolimnius sp.(Unident.) QC340199	58

Austrolimnius sp.(Unident.)(Larva) QC34019I	10

Simsonia sp.(Unident.) QC340299	8

Simsonia sp.L2E QC3402B1	2

Diptera QD	83	3
Tipulidae EPA sp.40 QD0199A5	3
Austrosimulium furiosum QD100102	45

Simulium melatum QD100201	2

Simulium ornatipes QD100202	9

Simuliidae (Unident.) QD109999	7

Larsia sp.(Unident.) QDAE1799	1
Corynoneura sp.(Unident.) QDAF0699	2
Cardiocladius sp.(Unident.) QDAF1499	2
Cricotopus/Paratrichocladius QDAF99A8	2
Rheotanytarsus sp.(Unident.) QDAH0799	6
Chironomidae (Unident.)(Larva) QDAZ9999	4
Ephemeroptera QE	168	9
Baetidae MV/EPA sp.5 QE0201A5	2
Baetis EPA sp.6 QE0201A6	116
Baetidae (Unident.) QE029999	31
Atalophlebia albiterminata QE060101	1
Tasmanocoenis sp.(Unident.) QE080199	18
Hemiptera QH	76	2
Microvelia sp.(Unident.) QH560199	1
Gerridae (Unident.) QH579999	4
Gerridae EPA sp.1 QH5799A1	1
Gerridae EPA sp.2 QH5799A2	1
Gerridae SRV sp.4 QH5799B1	3
Micronecta sp.(Unident.) QH650599	66
Megaloptera QM	2	8
Archichauliodes sp.(Unident.) QM010199	2

Odonata QO	14	3
Austroargiolestes icteromelas icteromelas QO070202	2
Austrogomphus ochraceus QO130405	2
Austroaeschna parvistigma QO210305	2
Austroaeschna pulchra QO210306	8
Plecoptera QP	3	10
Leptoperla neboissi QP030705	3
Trichoptera QT	131	8
Taschorema evansi QT011301	2
Ulmerochorema rubiconum / membrum group QT0114A1	3
Hellyethira sp.(Unident.) QT030499	11
Chimarra australica QT040101	1
Cheumatopsyche deani QT060507	51
Cheumatopsyche sp.(Unident.) QT060599	21
Cheumatopsyche sp.AV5 QT0605A5	19
Smicrophylax sp.AV1 QT0608A1	6
Ecnomus sp.(Unident.) QT080499	1
Lingora sp.(Unident.) QT150599	1
Conoesucidae (Unident.) QT159999	3
Notalina spira QT250504	6
Triplectides similis QT251108	2
Triplectides sp.(Unident.) QT251199	1
Trichoptera (Unident.) QT999999	3

SIGNALT	4.2
	ORDER
Weighted SIGNALT	3.9