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

Yarra River @ Tarrawarra Abbey YAR1750

Source	Melbourne Water
Latest Sample Date	28-11-2012
Taxa count ORDER	8
Taxa count FAMILY	17
Taxa count ALT	17
Mayflies present?	11
	ORDER	FAMILY	ALT
SIGNAL	4.9	4.8	3.1
Weighted SIGNAL	3.9		4.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.6 Protected landscape, 1.1.7 Other conserved area	42.54%	77,570,562,178m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	23.16%	42,234,533,854m²
	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, 5.7.0 Transport and communication, 5.7.2 Roads, 5.7.5 Navigation and communication	14.19%	25,884,770,748m²
	Pastoral Farming	3.2.0 Grazing modified pastures	14.02%	25,562,770,490m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.6 Perennial flowers and bulbs, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs	4.99%	9,092,757,288m²
	Minimal Use	1.3.0 Other minimal use	0.37%	669,750,537m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.27%	490,250,393m²
	Unknown	3.6.4 No defined use	0.19%	342,500,275m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.7 Sawmill, 5.5.1 Commercial services	0.08%	138,000,111m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.07%	132,500,106m²
	Mining	5.8.2 Quarries	0.05%	89,750,072m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.05%	84,250,068m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.04%	70,500,057m²
Show minor land uses 8
				1,823,628,962m²

Waterbug sample history

Sampled on 28 November 2012

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	245	2
Oligochaeta (Unident.) LO999999	245
Unknown OT	18
Atyidae (Unident.) OT019999	18

Coleoptera QC	2	5
Elmidae (Unident.)(Larvae) QC34999I	2

Diptera QD	41	3
Tipulidae (Unident.) QD019999	3
Empididae (Unident.) QD359999	1
Tanypodinae (Unident.) QDAE9999	6
Orthocladiinae (Unident.) QDAF9999	11
Chironominae (Unident.) QDAJ9999	20
Ephemeroptera QE	11	9
Baetidae (Unident.) QE029999	8
Oniscigastridae (Unident.) QE039999	2
Leptophlebiidae (Unident.) QE069999	1
Hemiptera QH	24	2
Gerridae (Unident.) QH579999	1
Saldidae (Unident.) QH609999	1
Corixidae (Unident.) QH659999	22
Plecoptera QP	1	10
Gripopterygidae (Unident.) QP039999	1
Trichoptera QT	2	8
Hydropsychidae (Unident.) QT069999	1
Leptoceridae (Unident.) QT259999	1

SIGNALT	4.9
	ORDER
Weighted SIGNALT	3.6

Sampled on 3 April 2012

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	35	1
Ancylidae (Unident.) KG069999	30
Physidae (Unident.) KG089999	5
Oligochaeta LO	125	2
Oligochaeta (Unident.) LO999999	125
Unknown OT	100
Atyidae (Unident.) OT019999	100

Coleoptera QC	130	5
Elmidae (Unident.)(Larvae) QC34999I	130

Diptera QD	145	3
Tipulidae (Unident.) QD019999	5
Empididae (Unident.) QD359999	5
Orthocladiinae (Unident.) QDAF9999	60
Chironominae (Unident.) QDAJ9999	75
Ephemeroptera QE	170	9
Baetidae (Unident.) QE029999	15
Coloburiscidae (Unident.) QE059999	145
Leptophlebiidae (Unident.) QE069999	5
Caenidae (Unident.) QE089999	5
Hemiptera QH	620	2
Gerridae (Unident.) QH579999	5
Corixidae (Unident.) QH659999	615
Plecoptera QP	65	10
Gripopterygidae (Unident.) QP039999	55
Plecoptera (Unident.) QP999999	10
Trichoptera QT	495	8
Hydrobiosidae (Unident.) QT019999	5
Hydropsychidae (Unident.) QT069999	455
Ecnomidae (Unident.) QT089999	10
Leptoceridae (Unident.) QT259999	20
Trichoptera (Unident.) QT999999	5

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.4

Sampled on 21 September 2011

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	4	2
Naididae (Unident.) LO059999	2
Enchytraeidae (Unident.) LO089999	2
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	9	3
Talitridae sp.(Unident.) OP019999	9

Coleoptera QC	11	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	9

Hydraenidae (Unident.) QC139999	1

Diptera QD	4	3
Tipulidae (Unident.) QD019999	1
Orthocladiinae (Unident.) QDAF9999	3
Ephemeroptera QE	11	9
Baetidae (Unident.) QE029999	1
Oniscigastridae (Unident.) QE039999	10
Hemiptera QH	92	2
Veliidae (Unident.) QH569999	86
Gerridae (Unident.) QH579999	1
Corixidae (Unident.) QH659999	5
Plecoptera QP	1	10
Gripopterygidae (Unident.) QP039999	1

SIGNALT	5.0
	ORDER
Weighted SIGNALT	4.6

Sampled on 21 April 2011

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	18	2
Lumbriculidae (Unident.) LO069999	10
Enchytraeidae (Unident.) LO089999	2
Megadrili (Unident.) LO119999	6
Unknown OT	2
Atyidae (Unident.) OT019999	2

Coleoptera QC	9	5
Hydrophilidae (Unident.) QC119999	6

Hydrophilidae (Unident.)(Larva) QC11999I	1

Elmidae (Unident.)(Larvae) QC34999I	2

Diptera QD	65	3
Tipulidae (Unident.) QD019999	4
Simuliidae (Unident.) QD109999	1

Empididae (Unident.) QD359999	1
Tanypodinae (Unident.) QDAE9999	15
Orthocladiinae (Unident.) QDAF9999	26
Chironominae (Unident.) QDAJ9999	17
Chironomidae (Unident.)(Larva) QDAZ9999	1
Ephemeroptera QE	15	9
Baetidae (Unident.) QE029999	5
Leptophlebiidae (Unident.) QE069999	3
Caenidae (Unident.) QE089999	7
Hemiptera QH	13	2
Corixidae (Unident.) QH659999	13
Plecoptera QP	22	10
Gripopterygidae (Unident.) QP039999	15
Plecoptera (Unident.) QP999999	7
Trichoptera QT	18	8
Hydrobiosidae (Unident.) QT019999	2
Philopotamidae (Unident.) QT049999	1
Hydropsychidae (Unident.) QT069999	1
Atriplectididae (Unident.) QT239999	1
Leptoceridae (Unident.) QT259999	12
Trichoptera (Unident.) QT999999	1

SIGNALT	4.9
	ORDER
Weighted SIGNALT	5.5

Sampled on 2 December 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	30	1
Ancylidae (Unident.) KG069999	20
Planorbidae/Physidae (Unident.) KG9999A2	10
Oligochaeta LO	690	2
Oligochaeta (Unident.) LO999999	690
Unknown OT	40
Atyidae (Unident.) OT019999	40

Coleoptera QC	40	5
Brentidae (Unident.) QCAM9999	40
Diptera QD	340	3
Ceratopogonidae (Unident.) QD099999	20

Simuliidae (Unident.) QD109999	90

Empididae (Unident.) QD359999	10
Ephydridae (Unident.) QD789999	20

Orthocladiinae (Unident.) QDAF9999	90
Chironominae (Unident.) QDAJ9999	110
Ephemeroptera QE	950	9
Baetidae (Unident.) QE029999	860
Caenidae (Unident.) QE089999	90
Hemiptera QH	300	2
Veliidae (Unident.) QH569999	200
Gerridae (Unident.) QH579999	40
Corixidae (Unident.) QH659999	60
Plecoptera QP	30	10
Gripopterygidae (Unident.) QP039999	30
Trichoptera QT	1490	8
Hydropsychidae (Unident.) QT069999	40
Ecnomidae (Unident.) QT089999	10
Leptoceridae (Unident.) QT259999	50
Trichoptera (Unident.) QT999999	1390

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.4

Sampled on 28 April 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	13	1
Ancylidae (Unident.) KG069999	10
Physidae (Unident.) KG089999	3
Bivalvia KP	5	3
Pelecypoda (Unident.) KP999999	5
Oligochaeta LO	303	2
Naididae (Unident.) LO059999	89
Enchytraeidae (Unident.) LO089999	163
Lumbricidae (Unident.) LO099999	43
Megadrili (Unident.) LO119999	3
Oligochaeta (Unident.) LO999999	5
Acarina MM	3	6
Mites (Unident.) MM999999	3

Amphipoda OP	21	3
Ceinidae (Unident.) OP029999	21

Unknown OT	20
Atyidae (Unident.) OT019999	20

Coleoptera QC	53	5
Scirtidae (Unident.)(Larva) QC20999I	3

Elmidae (Unident.) QC349999	7

Elmidae (Unident.)(Larvae) QC34999I	43

Diptera QD	1888	3
Tipulidae (Unident.) QD019999	22
Ceratopogonidae (Unident.) QD099999	52

Empididae (Unident.) QD359999	14
Tanypodinae (Unident.) QDAE9999	90
Orthocladiinae (Unident.) QDAF9999	290
Chironominae (Unident.) QDAJ9999	1420
Ephemeroptera QE	493	9
Baetidae (Unident.) QE029999	185
Leptophlebiidae (Unident.) QE069999	10
Caenidae (Unident.) QE089999	298
Hemiptera QH	88	2
Corixidae (Unident.) QH659999	88
Lepidoptera QL	5	2
Crambidae (Unident.) QL019999	5

Odonata QO	7	3
Epiproctophora (Unident.) QO999998	7
Plecoptera QP	24	10
Gripopterygidae (Unident.) QP039999	24
Trichoptera QT	66	8
Hydrobiosidae (Unident.) QT019999	5
Glossosomatidae (Unident.) QT029999	3
Hydroptilidae (Unident.) QT039999	7
Hydropsychidae (Unident.) QT069999	21
Ecnomidae (Unident.) QT089999	5
Leptoceridae (Unident.) QT259999	25

SIGNALT	4.1
	ORDER
Weighted SIGNALT	4.3

Sampled on 4 December 2008

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	160	1
Ancylidae (Unident.) KG069999	40
Physidae (Unident.) KG089999	120
Oligochaeta LO	2	2
Naididae (Unident.) LO059999	2
Unknown OT	1360
Atyidae (Unident.) OT019999	1360

Coleoptera QC	11	5
Elmidae (Unident.) QC349999	11

Diptera QD	2271	3
Simuliidae (Unident.) QD109999	150

Muscidae (Unident.) QD899999	50
Tanypodinae (Unident.) QDAE9999	270
Orthocladiinae (Unident.) QDAF9999	242
Chironominae (Unident.) QDAJ9999	1559
Ephemeroptera QE	390	9
Baetidae (Unident.) QE029999	330
Leptophlebiidae (Unident.) QE069999	40
Caenidae (Unident.) QE089999	20
Hemiptera QH	30	2
Corixidae (Unident.) QH659999	20
Notonectidae (Unident.) QH679999	10
Odonata QO	20	3
Synlestidae (Unident.) QO089999	20
Plecoptera QP	180	10
Gripopterygidae (Unident.) QP039999	180
Trichoptera QT	140	8
Calamoceratidae (Unident.) QT249999	10
Leptoceridae (Unident.) QT259999	130

SIGNALT	4.3
	ORDER
Weighted SIGNALT	4.5

Sampled on 7 May 2008

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	10	1
Lymnaeidae (Unident.) KG059999	10
Bivalvia KP	10	3
Sphaeriidae (Unident.) KP039999	10
Oligochaeta LO	150	2
Oligochaeta (Unident.) LO999999	150
Acarina MM	130	6
Mites (Unident.) MM999999	130

Unknown OT	160
Atyidae (Unident.) OT019999	160

Coleoptera QC	20	5
Hydraenidae (Unident.) QC139999	10

Elmidae (Unident.)(Larvae) QC34999I	10

Diptera QD	810	3
Simuliidae (Unident.) QD109999	50

Psychodidae (Unident.) QD129999	10

Tanypodinae (Unident.) QDAE9999	50
Orthocladiinae (Unident.) QDAF9999	380
Chironominae (Unident.) QDAJ9999	320
Ephemeroptera QE	490	9
Baetidae (Unident.) QE029999	270
Leptophlebiidae (Unident.) QE069999	20
Caenidae (Unident.) QE089999	200
Hemiptera QH	750	2
Veliidae (Unident.) QH569999	190
Gerridae (Unident.) QH579999	40
Corixidae (Unident.) QH659999	510
Notonectidae (Unident.) QH679999	10
Plecoptera QP	330	10
Gripopterygidae (Unident.) QP039999	330
Trichoptera QT	540	8
Hydropsychidae (Unident.) QT069999	10
Ecnomidae (Unident.) QT089999	30
Leptoceridae (Unident.) QT259999	220
Trichoptera (Unident.) QT999999	280

SIGNALT	4.5
	ORDER
Weighted SIGNALT	4.6