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

Corduroy Rd- u/s Bridge- Yarra Junction LIY0152

Source	Melbourne Water
Latest Sample Date	12-04-2010
Taxa count ORDER	12
Taxa count FAMILY	31
Taxa count ALT	32
Mayflies present?	29
	ORDER	FAMILY	ALT
SIGNAL	4.2	5.5	4.8
Weighted SIGNAL	6.2	5	5.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests	60.81%	9,224,571,868m²
	Pastoral Farming	3.2.0 Grazing modified pastures	17.88%	2,712,051,115m²
	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	14.39%	2,182,833,844m²
	Arable Farming	3.3.0 Cropping, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs	5.47%	830,306,417m²
	Natural	1.1.1 Strict nature reserves, 1.1.7 Other conserved area	0.90%	136,177,249m²
	Unknown	3.6.4 No defined use	0.27%	40,478,375m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.6 Horse studs	0.15%	22,737,853m²
	Industrial	5.3.1 General purpose factory, 5.3.7 Sawmill, 5.5.1 Commercial services	0.10%	14,492,258m²
	Waste Management	5.9.5 Sewage/sewerage	0.03%	4,747,464m²
	Water	6.4.1 Supply channel/aqueduct	0.00%	499,733m²
Show minor land uses 6
				151,688,962m²

Waterbug sample history

Sampled on 12 April 2010

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	7	1
Ancylidae (Unident.) KG069999	7
Oligochaeta LO	16	2
Oligochaeta (Unident.) LO999999	16
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OT	8
Atyidae (Unident.) OT019999	8

Coleoptera QC	39	5
Elmidae (Unident.) QC349999	26

Elmidae (Unident.)(Larvae) QC34999I	7

Psephenidae (Unident.) QC379999	6

Diptera QD	64	3
Tipulidae (Unident.) QD019999	1
Ceratopogonidae (Unident.) QD099999	6

Simuliidae (Unident.) QD109999	8

Tanypodinae (Unident.) QDAE9999	9
Orthocladiinae (Unident.) QDAF9999	26
Chironominae (Unident.) QDAJ9999	14
Ephemeroptera QE	29	9
Baetidae (Unident.) QE029999	6
Coloburiscidae (Unident.) QE059999	2
Leptophlebiidae (Unident.) QE069999	7
Caenidae (Unident.) QE089999	14
Hemiptera QH	5	2
Veliidae (Unident.) QH569999	5
Odonata QO	12	3
Synlestidae (Unident.) QO089999	3
Telephlebiidae (Unident.) QO219999	3
Synthemistidae (Unident.) QO239999	6
Plecoptera QP	7	10
Austroperlidae (Unident.) QP029999	2
Gripopterygidae (Unident.) QP039999	5
Trichoptera QT	107	8
Hydrobiosidae (Unident.) QT019999	25
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	30
Ecnomidae (Unident.) QT089999	2
Conoesucidae (Unident.) QT159999	3
Atriplectididae (Unident.) QT239999	3
Calamoceratidae (Unident.) QT249999	9
Leptoceridae (Unident.) QT259999	34

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.6

Sampled on 16 December 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	1	1
Physidae (Unident.) KG089999	1
Oligochaeta LO	14	2
Oligochaeta (Unident.) LO999999	14
Unknown OT	4
Atyidae (Unident.) OT019999	4

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	34	5
Dytiscidae (Unident.)(Larva) QC09999I	1
Elmidae (Unident.) QC349999	22

Elmidae (Unident.)(Larvae) QC34999I	1

Psephenidae (Unident.) QC379999	10

Diptera QD	66	3
Tipulidae (Unident.) QD019999	7
Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	14

Tanypodinae (Unident.) QDAE9999	7
Orthocladiinae (Unident.) QDAF9999	13
Chironominae (Unident.) QDAJ9999	21
Ephemeroptera QE	30	9
Baetidae (Unident.) QE029999	14
Oniscigastridae (Unident.) QE039999	1
Leptophlebiidae (Unident.) QE069999	7
Caenidae (Unident.) QE089999	8
Hemiptera QH	18	2
Veliidae (Unident.) QH569999	13
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	3
Odonata QO	15	3
Synlestidae (Unident.) QO089999	5
Gomphidae (Unident.) QO139999	1
Synthemistidae (Unident.) QO239999	9
Plecoptera QP	28	10
Austroperlidae (Unident.) QP029999	1
Gripopterygidae (Unident.) QP039999	26
Notonemouridae (Unident.) QP049999	1
Trichoptera QT	55	8
Hydrobiosidae (Unident.) QT019999	25
Hydropsychidae (Unident.) QT069999	4
Conoesucidae (Unident.) QT159999	2
Atriplectididae (Unident.) QT239999	2
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	21

SIGNALT	3.9
	ORDER
Weighted SIGNALT	5.0

Sampled on 8 March 2006

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	20	1
Hydrobiidae (Unident.) KG029999	3
Lymnaeidae (Unident.) KG059999	1
Physidae (Unident.) KG089999	13
Planorbidae/Physidae (Unident.) KG9999A2	3
Bivalvia KP	1	3
Corbiculidae (Unident.) KP029999	1
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Acarina MM	3	6
Mites (Unident.) MM999999	3

Unknown OT	2
Atyidae (Unident.) OT019999	2

Coleoptera QC	47	5
Scirtidae (Unident.)(Larva) QC20999I	1

Elmidae (Unident.) QC349999	32

Psephenidae (Unident.) QC379999	14

Diptera QD	84	3
Tipulidae (Unident.) QD019999	8
Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	2

Dolichopodidae (Unident.) QD369999	1
Tanypodinae (Unident.) QDAE9999	8
Orthocladiinae (Unident.) QDAF9999	33
Chironominae (Unident.) QDAJ9999	30
Ephemeroptera QE	68	9
Baetidae (Unident.) QE029999	32
Coloburiscidae (Unident.) QE059999	2
Leptophlebiidae (Unident.) QE069999	33
Caenidae (Unident.) QE089999	1
Hemiptera QH	5	2
Veliidae (Unident.) QH569999	3
Corixidae (Unident.) QH659999	2
Odonata QO	5	3
Synlestidae (Unident.) QO089999	1
Telephlebiidae (Unident.) QO219999	3
Zygoptera (Unident.) QO999997	1
Plecoptera QP	22	10
Austroperlidae (Unident.) QP029999	2
Gripopterygidae (Unident.) QP039999	20
Trichoptera QT	86	8
Hydrobiosidae (Unident.) QT019999	26
Glossosomatidae (Unident.) QT029999	3
Hydropsychidae (Unident.) QT069999	16
Conoesucidae (Unident.) QT159999	3
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	36
Trichoptera (Unident.) QT999999	1

SIGNALT	4.3
	ORDER
Weighted SIGNALT	5.3

Sampled on 9 December 2005

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	1	1
Physidae (Unident.) KG089999	1
Oligochaeta LO	17	2
Oligochaeta (Unident.) LO999999	17
Acarina MM	5	6
Mites (Unident.) MM999999	5

Coleoptera QC	19	5
Elmidae (Unident.) QC349999	15

Elmidae (Unident.)(Larvae) QC34999I	2

Psephenidae (Unident.) QC379999	2

Diptera QD	76	3
Tipulidae (Unident.) QD019999	12
Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	2

Tanypodinae (Unident.) QDAE9999	10
Orthocladiinae (Unident.) QDAF9999	32
Chironominae (Unident.) QDAJ9999	16
Ephemeroptera QE	16	9
Baetidae (Unident.) QE029999	9
Oniscigastridae (Unident.) QE039999	3
Coloburiscidae (Unident.) QE059999	4
Hemiptera QH	18	2
Veliidae (Unident.) QH569999	15
Gerridae (Unident.) QH579999	3
Odonata QO	10	3
Synlestidae (Unident.) QO089999	7
Telephlebiidae (Unident.) QO219999	3
Plecoptera QP	16	10
Gripopterygidae (Unident.) QP039999	16
Trichoptera QT	65	8
Hydrobiosidae (Unident.) QT019999	15
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	18
Leptoceridae (Unident.) QT259999	31

SIGNALT	4.9
	ORDER
Weighted SIGNALT	5.2

Sampled on 26 March 1999

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	2	2
OLIGOCHAETA LO000000	2
Acarina MM	1	6
Mites (Unident.) MM999999	1

Coleoptera QC	30	5
Elmidae QC340000	24

Psephenidae QC370000	6

Diptera QD	33	3
Tipulidae QD010000	5
Dixidae QD060000	1

Simuliidae (unident.) QD100000	10

Stratiomyidae QD240000	1
Tanypodinae QDAE0000	5
Orthocladiinae QDAF0000	6
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	99	9
Baetidae QE020000	38
Coloburiscidae QE050000	15
Leptophlebiidae QE060000	46
Hemiptera QH	2	2
Veliidae QH560000	1
Corixidae QH650000	1
Odonata QO	1	3
Corduliidae QO160000	1
Plecoptera QP	56	10
Austroperlidae QP020000	2
Gripopterygidae QP030000	54
Trichoptera QT	91	8
Hydrobiosidae QT010000	7
Hydropsychidae QT060000	18
Ecnomidae QT080000	1
Conoesucidae QT150000	10
Calocidae QT180000	1
Philorheithridae QT210000	1
Calamoceratidae QT240000	1
Leptoceridae QT250000	52

SIGNALT	5.3
	ORDER
Weighted SIGNALT	6.5

Sampled on 9 December 1998

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Hydrobiidae KG020000	1
Planorbidae/Physidae (Unident.) KG9999A2	1
Oligochaeta LO	3	2
OLIGOCHAETA LO000000	3
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	3	3
Talitridae OP010000	3

Coleoptera QC	56	5
Dytiscidae QC090000	2
Hydraenidae QC130000	1

Scirtidae QC200000	5

Elmidae QC340000	36

Psephenidae QC370000	12

Diptera QD	52	3
Tipulidae QD010000	4
Culicidae QD070000	2

Simuliidae (unident.) QD100000	5

Tanypodinae QDAE0000	6
Orthocladiinae QDAF0000	30
Chironominae (Unident.) QDAJ9999	5
Ephemeroptera QE	85	9
Baetidae QE020000	35
Oniscigastridae QE030000	17
Coloburiscidae QE050000	10
Leptophlebiidae QE060000	23
Hemiptera QH	6	2
Mesoveliidae QH520000	1
Veliidae QH560000	1
Corixidae QH650000	4
Odonata QO	4	3
Synlestidae QO080000	3
Aeshnidae QO120000	1
Plecoptera QP	12	10
Gripopterygidae QP030000	12
Trichoptera QT	101	8
Hydrobiosidae QT010000	14
Hydropsychidae QT060000	27
Conoesucidae QT150000	27
Leptoceridae QT250000	33

SIGNALT	4.7
	ORDER
Weighted SIGNALT	5.5