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

Yarra River @ The Grange 3185 Warburton Hwy Warburton YAR0832

Source	Melbourne Water
Latest Sample Date	06-04-2011
Taxa count ORDER	13
Taxa count FAMILY	35
Taxa count ALT	36
Mayflies present?	40
	ORDER	FAMILY	ALT
SIGNAL	4.4	5.2	4.8
Weighted SIGNAL	5.9	5	6.1

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area	60.80%	51,693,243,109m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	34.68%	29,482,742,261m²
	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	2.57%	2,180,897,372m²
	Pastoral Farming	3.2.0 Grazing modified pastures	1.61%	1,371,092,650m²
	Arable Farming	3.3.0 Cropping	0.28%	238,516,117m²
	Unknown	3.6.4 No defined use	0.04%	34,252,315m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.01%	11,000,743m²
	Industrial	5.5.1 Commercial services	0.01%	6,000,405m²
	Waste Management	5.9.5 Sewage/sewerage	0.00%	1,000,068m²
Show minor land uses 7
				850,187,450m²

Waterbug sample history

Sampled on 6 April 2011

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Hydrobiidae (Unident.) KG029999	2
Bivalvia KP	1	3
Pelecypoda (Unident.) KP999999	1
Oligochaeta LO	4	2
Oligochaeta (Unident.) LO999999	4
Amphipoda OP	6	3
Eusiridae (Unident.) OP039999	6

Unknown OT	16
Atyidae (Unident.) OT019999	16

Coleoptera QC	17	5
Hydraenidae (Unident.) QC139999	3

Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	4

Elmidae (Unident.)(Larvae) QC34999I	1

Psephenidae (Unident.) QC379999	8

Diptera QD	40	3
Tipulidae (Unident.) QD019999	3
Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	6

Athericidae (Unident.) QD229999	2

Aphroteniinae (Unident.) QDAA9999	1
Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	6
Chironominae (Unident.) QDAJ9999	16
Ephemeroptera QE	40	9
Baetidae (Unident.) QE029999	10
Coloburiscidae (Unident.) QE059999	7
Leptophlebiidae (Unident.) QE069999	23
Hemiptera QH	4	2
Veliidae (Unident.) QH569999	4
Megaloptera QM	6	8
Corydalidae (Unident.) QM019999	6

Odonata QO	8	3
Gomphidae (Unident.) QO139999	1
Telephlebiidae (Unident.) QO219999	5
Synthemistidae (Unident.) QO239999	2
Plecoptera QP	8	10
Gripopterygidae (Unident.) QP039999	8
Trichoptera QT	72	8
Hydrobiosidae (Unident.) QT019999	12
Glossosomatidae (Unident.) QT029999	1
Hydropsychidae (Unident.) QT069999	7
Conoesucidae (Unident.) QT159999	4
Philorheithridae (Unident.) QT219999	4
Atriplectididae (Unident.) QT239999	2
Calamoceratidae (Unident.) QT249999	10
Leptoceridae (Unident.) QT259999	31
Trichoptera (Unident.) QT999999	1

SIGNALT	4.4
	ORDER
Weighted SIGNALT	5.0

Sampled on 27 October 2010

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	11	2
Oligochaeta (Unident.) LO999999	11
Acarina MM	2	6
Mites (Unident.) MM999999	2

Amphipoda OP	9	3
Eusiridae (Unident.) OP039999	9

Unknown OT	12
Atyidae (Unident.) OT019999	12

Coleoptera QC	16	5
Elmidae (Unident.) QC349999	12

Psephenidae (Unident.) QC379999	4

Diptera QD	34	3
Tipulidae (Unident.) QD019999	4
Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	4

Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	8
Chironominae (Unident.) QDAJ9999	10
Ephemeroptera QE	39	9
Baetidae (Unident.) QE029999	7
Ameletopsidae (Unident.) QE049999	1
Coloburiscidae (Unident.) QE059999	6
Leptophlebiidae (Unident.) QE069999	25
Hemiptera QH	1	2
Veliidae (Unident.) QH569999	1
Megaloptera QM	1	8
Corydalidae (Unident.) QM019999	1

Odonata QO	4	3
Gomphidae (Unident.) QO139999	3
Telephlebiidae (Unident.) QO219999	1
Plecoptera QP	23	10
Gripopterygidae (Unident.) QP039999	23
Trichoptera QT	52	8
Hydrobiosidae (Unident.) QT019999	1
Glossosomatidae (Unident.) QT029999	1
Hydropsychidae (Unident.) QT069999	14
Conoesucidae (Unident.) QT159999	8
Atriplectididae (Unident.) QT239999	3
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	24

SIGNALT	4.9
	ORDER
Weighted SIGNALT	5.2

Sampled on 6 November 2009

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	8	2
Oligochaeta (Unident.) LO999999	8
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	6	3
Eusiridae (Unident.) OP039999	6

Unknown OT	34
Atyidae (Unident.) OT019999	34

Coleoptera QC	36	5
Dytiscidae (Unident.) QC099999	7
Hydrophilidae (Unident.) QC119999	12

Elmidae (Unident.) QC349999	11

Psephenidae (Unident.) QC379999	6

Diptera QD	60	3
Tipulidae (Unident.) QD019999	4
Simuliidae (Unident.) QD109999	27

Diamesinae (Unident.) QDAB9999	1
Orthocladiinae (Unident.) QDAF9999	25
Chironominae (Unident.) QDAJ9999	3
Ephemeroptera QE	44	9
Baetidae (Unident.) QE029999	13
Oniscigastridae (Unident.) QE039999	6
Coloburiscidae (Unident.) QE059999	6
Leptophlebiidae (Unident.) QE069999	19
Hemiptera QH	24	2
Veliidae (Unident.) QH569999	3
Corixidae (Unident.) QH659999	21
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Odonata QO	6	3
Gomphidae (Unident.) QO139999	2
Synthemistidae (Unident.) QO239999	4
Plecoptera QP	31	10
Gripopterygidae (Unident.) QP039999	31
Trichoptera QT	65	8
Hydrobiosidae (Unident.) QT019999	8
Hydropsychidae (Unident.) QT069999	21
Atriplectididae (Unident.) QT239999	1
Calamoceratidae (Unident.) QT249999	4
Leptoceridae (Unident.) QT259999	31

SIGNALT	4.9
	ORDER
Weighted SIGNALT	4.8

Sampled on 7 April 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	1	1
Ancylidae (Unident.) KG069999	1
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Unknown OT	14
Atyidae (Unident.) OT019999	14

Coleoptera QC	25	5
Elmidae (Unident.) QC349999	2

Elmidae (Unident.)(Larvae) QC34999I	1

Psephenidae (Unident.) QC379999	22

Diptera QD	29	3
Dixidae (Unident.) QD069999	1

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	2

Tanypodinae (Unident.) QDAE9999	6
Orthocladiinae (Unident.) QDAF9999	2
Chironominae (Unident.) QDAJ9999	16
Ephemeroptera QE	70	9
Baetidae (Unident.) QE029999	21
Oniscigastridae (Unident.) QE039999	1
Coloburiscidae (Unident.) QE059999	32
Leptophlebiidae (Unident.) QE069999	16
Hemiptera QH	6	2
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	4
Megaloptera QM	4	8
Corydalidae (Unident.) QM019999	4

Odonata QO	7	3
Megapodagrionidae (Unident.) QO079999	3
Gomphidae (Unident.) QO139999	3
Synthemistidae (Unident.) QO239999	1
Plecoptera QP	3	10
Gripopterygidae (Unident.) QP039999	3
Trichoptera QT	92	8
Hydrobiosidae (Unident.) QT019999	8
Hydropsychidae (Unident.) QT069999	33
Ecnomidae (Unident.) QT089999	11
Calamoceratidae (Unident.) QT249999	7
Leptoceridae (Unident.) QT259999	33

SIGNALT	4.6
	ORDER
Weighted SIGNALT	4.8

Sampled on 6 October 1999

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	3	1
Ancylidae (Unident.) KG069999	3
Bivalvia KP	3	3
Sphaeriidae (Unident.) KP039999	3
Oligochaeta LO	3	2
Oligochaeta (Unident.) LO999999	3
Acarina MM	2	6
Mites (Unident.) MM999999	2

Amphipoda OP	6	3
Eusiridae (Unident.) OP039999	6

Unknown OT	10
Atyidae (Unident.) OT019999	10

Coleoptera QC	12	5
Elmidae (Unident.) QC349999	6

Psephenidae (Unident.) QC379999	6

Diptera QD	73	3
Tipulidae (Unident.) QD019999	8
Blephariceridae (Unident.)(Larva) QD049999	1

Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	2

Athericidae (Unident.) QD229999	2

Empididae (Unident.) QD359999	1
Tanypodinae (Unident.) QDAE9999	17
Orthocladiinae (Unident.) QDAF9999	34
Chironominae (Unident.) QDAJ9999	2
Chironomidae (Unident.) (Pupa) QDAZ999I	2
Ephemeroptera QE	62	9
Baetidae (Unident.) QE029999	15
Oniscigastridae (Unident.) QE039999	12
Coloburiscidae (Unident.) QE059999	21
Leptophlebiidae (Unident.) QE069999	14
Hemiptera QH	10	2
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	7
Notonectidae (Unident.) QH679999	1
Odonata QO	4	3
Zygoptera (Unident.) QO999997	2
Epiproctophora (Unident.) QO999998	2
Plecoptera QP	33	10
Gripopterygidae (Unident.) QP039999	33
Trichoptera QT	54	8
Hydrobiosidae (Unident.) QT019999	3
Glossosomatidae (Unident.) QT029999	1
Hydropsychidae (Unident.) QT069999	5
Ecnomidae (Unident.) QT089999	5
Conoesucidae (Unident.) QT159999	19
Leptoceridae (Unident.) QT259999	21

SIGNALT	4.2
	ORDER
Weighted SIGNALT	5.0

Sampled on 23 April 1999

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Ancylidae (Unident.) KG069999	1
Physidae (Unident.) KG089999	1
Bivalvia KP	1	3
Sphaeriidae (Unident.) KP039999	1
Oligochaeta LO	8	2
Oligochaeta (Unident.) LO999999	8
Acarina MM	27	6
Mites (Unident.) MM999999	27

Amphipoda OP	18	3
Eusiridae (Unident.) OP039999	18

Unknown OT	6
Atyidae (Unident.) OT019999	6

Coleoptera QC	19	5
Elmidae (Unident.) QC349999	4

Elmidae (Unident.)(Larvae) QC34999I	2

Psephenidae (Unident.) QC379999	10

Ptilodactylidae (Unident.) QC399999	3

Diptera QD	97	3
Tipulidae (Unident.) QD019999	10
Dixidae (Unident.) QD069999	1

Simuliidae (Unident.) QD109999	6

Athericidae (Unident.) QD229999	2

Aphroteniinae (Unident.) QDAA9999	1
Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	57
Chironominae (Unident.) QDAJ9999	18
Ephemeroptera QE	37	9
Baetidae (Unident.) QE029999	15
Coloburiscidae (Unident.) QE059999	13
Leptophlebiidae (Unident.) QE069999	9
Hemiptera QH	6	2
Corixidae (Unident.) QH659999	6
Megaloptera QM	2	8
Corydalidae (Unident.) QM019999	2

Plecoptera QP	7	10
Gripopterygidae (Unident.) QP039999	7
Trichoptera QT	41	8
Hydrobiosidae (Unident.) QT019999	3
Hydroptilidae (Unident.) QT039999	9
Hydropsychidae (Unident.) QT069999	18
Conoesucidae (Unident.) QT159999	3
Leptoceridae (Unident.) QT259999	8

SIGNALT	4.6
	ORDER
Weighted SIGNALT	5.0