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

Yarra River at end of Homestead Rd Wonga Park YAR2205

Source	Melbourne Water
Latest Sample Date	02-12-2009
Taxa count ORDER	11
Taxa count FAMILY	37
Taxa count ALT	38
Mayflies present?	310
	ORDER	FAMILY	ALT
SIGNAL	3.5	4.2	3
Weighted SIGNAL	3.9	5	3.9

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	37.52%	82,484,726,048m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	19.92%	43,780,104,596m²
	Pastoral Farming	3.2.0 Grazing modified pastures	17.15%	37,711,874,750m²
	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, 5.6.5 Electricity substations and transmission, 5.6.7 Water extraction and transmission, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	16.44%	36,146,379,949m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 3.4.5 Shrub berries and fruits, 3.4.6 Perennial flowers and bulbs, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs	7.44%	16,361,695,659m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.44%	956,996,822m²
	Minimal Use	1.3.0 Other minimal use	0.35%	775,997,423m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.25%	542,248,199m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.3.2 Food processing factory, 5.3.7 Sawmill, 5.5.1 Commercial services	0.14%	313,498,959m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.13%	276,499,082m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.10%	220,249,268m²
	Mining	5.8.2 Quarries	0.06%	142,749,526m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.05%	116,749,612m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.00%	3,999,987m²
Show minor land uses 9
				2,198,337,699m²

Waterbug sample history

Sampled on 2 December 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	160	1
Lymnaeidae (Unident.) KG059999	40
Ancylidae (Unident.) KG069999	30
Physidae (Unident.) KG089999	70
Planorbidae/Physidae (Unident.) KG9999A2	20
Bivalvia KP	50	3
Corbiculidae (Unident.) KP029999	20
Pelecypoda (Unident.) KP999999	30
Oligochaeta LO	290	2
Oligochaeta (Unident.) LO999999	290
Isopoda OR	20	2
Janiridae (Unident.) OR189999	20

Unknown OT	840
Atyidae (Unident.) OT019999	520

Caridea (Unident.) OT999999	320

Coleoptera QC	210	5
Hydrophilidae (Unident.)(Larva) QC11999I	10

Elmidae (Unident.) QC349999	20

Elmidae (Unident.)(Larvae) QC34999I	160

Psephenidae (Unident.) QC379999	20

Diptera QD	3710	3
Tipulidae (Unident.) QD019999	200
Culicidae (Unident.) QD079999	20

Ceratopogonidae (Unident.) QD099999	120

Simuliidae (Unident.) QD109999	220

Ephydridae (Unident.) QD789999	60

Muscidae (Unident.) QD899999	10
Tanypodinae (Unident.) QDAE9999	420
Orthocladiinae (Unident.) QDAF9999	1560
Chironominae (Unident.) QDAJ9999	1100
Ephemeroptera QE	310	9
Baetidae (Unident.) QE029999	270
Caenidae (Unident.) QE089999	30
Ephemeroptera (Unident.) QE999999	10
Hemiptera QH	1380	2
Veliidae (Unident.) QH569999	50
Gerridae (Unident.) QH579999	30
Corixidae (Unident.) QH659999	1300
Odonata QO	10	3
Coenagrionidae (Unident.) QO029999	10
Trichoptera QT	930	8
Hydrobiosidae (Unident.) QT019999	10
Hydroptilidae (Unident.) QT039999	50
Hydropsychidae (Unident.) QT069999	360
Ecnomidae (Unident.) QT089999	70
Conoesucidae (Unident.) QT159999	20
Calamoceratidae (Unident.) QT249999	100
Leptoceridae (Unident.) QT259999	130
Trichoptera (Unident.) QT999999	190

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.5

Sampled on 30 April 2009

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	40	2
Dugesiidae (Unident.) IF619999	40
Gastropoda KG	200	1
Ancylidae (Unident.) KG069999	190
Physidae (Unident.) KG089999	10
Bivalvia KP	660	3
Corbiculidae (Unident.) KP029999	40
Pelecypoda (Unident.) KP999999	620
Oligochaeta LO	380	2
Naididae (Unident.) LO059999	370
Lumbriculidae (Unident.) LO069999	10
Acarina MM	120	6
Mites (Unident.) MM999999	120

Unknown OT	1520
Atyidae (Unident.) OT019999	1520

Coleoptera QC	690	5
Gyrinidae (Unident.) QC109999	60

Scirtidae (Unident.)(Larva) QC20999I	10

Elmidae (Unident.) QC349999	30

Elmidae (Unident.)(Larvae) QC34999I	590

Diptera QD	6030	3
Tipulidae (Unident.) QD019999	310
Ceratopogonidae (Unident.) QD099999	20

Simuliidae (Unident.) QD109999	2720

Tanypodinae (Unident.) QDAE9999	10
Orthocladiinae (Unident.) QDAF9999	1160
Chironominae (Unident.) QDAJ9999	1810
Ephemeroptera QE	710	9
Baetidae (Unident.) QE029999	540
Caenidae (Unident.) QE089999	130
Ephemeroptera (Unident.) QE999999	40
Hemiptera QH	3740	2
Veliidae (Unident.) QH569999	30
Gerridae (Unident.) QH579999	10
Corixidae (Unident.) QH659999	3690
Notonectidae (Unident.) QH679999	10
Plecoptera QP	10	10
Gripopterygidae (Unident.) QP039999	10
Trichoptera QT	2880	8
Hydrobiosidae (Unident.) QT019999	10
Hydroptilidae (Unident.) QT039999	130
Hydropsychidae (Unident.) QT069999	1920
Ecnomidae (Unident.) QT089999	420
Conoesucidae (Unident.) QT159999	150
Calamoceratidae (Unident.) QT249999	70
Leptoceridae (Unident.) QT259999	70
Trichoptera (Unident.) QT999999	110

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.1

Sampled on 5 December 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	33	2
Dugesiidae (Unident.) IF619999	33
Gastropoda KG	74	1
Lymnaeidae (Unident.) KG059999	7
Physidae (Unident.) KG089999	60
Planorbidae/Physidae (Unident.) KG9999A2	7
Bivalvia KP	7	3
Sphaeriidae (Unident.) KP039999	7
Oligochaeta LO	13	2
Naididae (Unident.) LO059999	13
Acarina MM	7	6
Mites (Unident.) MM999999	7

Unknown OT	534
Atyidae (Unident.) OT019999	534

Coleoptera QC	14	5
Hydrophilidae (Unident.)(Larva) QC11999I	7

Hydraenidae (Unident.) QC139999	7

Diptera QD	1074	3
Empididae (Unident.) QD359999	7
Tanypodinae (Unident.) QDAE9999	67
Orthocladiinae (Unident.) QDAF9999	260
Chironominae (Unident.) QDAJ9999	733
Chironomidae (Unident.)(Larva) QDAZ9999	7
Ephemeroptera QE	7	9
Baetidae (Unident.) QE029999	7
Hemiptera QH	79	2
Veliidae (Unident.) QH569999	13
Corixidae (Unident.) QH659999	33
Notonectidae (Unident.) QH679999	33
Odonata QO	27	3
Coenagrionidae (Unident.) QO029999	7
Lestidae (Unident.) QO059999	13
Hemicorduliidae (Unident.) QO309999	7
Trichoptera QT	327	8
Hydroptilidae (Unident.) QT039999	247
Ecnomidae (Unident.) QT089999	7
Calamoceratidae (Unident.) QT249999	20
Leptoceridae (Unident.) QT259999	53

SIGNALT	3.7
	ORDER
Weighted SIGNALT	3.4

Sampled on 8 May 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	148	2
Dugesiidae (Unident.) IF619999	148
Gastropoda KG	107	1
Ancylidae (Unident.) KG069999	16
Planorbidae (Unident.) KG079999	6
Physidae (Unident.) KG089999	26
Planorbidae/Physidae (Unident.) KG9999A2	59
Bivalvia KP	56	3
Corbiculidae (Unident.) KP029999	28
Sphaeriidae (Unident.) KP039999	28
Oligochaeta LO	173	2
Oligochaeta (Unident.) LO999999	173
Acarina MM	100	6
Mites (Unident.) MM999999	100

Unknown OT	704
Atyidae (Unident.) OT019999	704

Coleoptera QC	401	5
Scirtidae (Unident.)(Larva) QC20999I	6

Elmidae (Unident.) QC349999	6

Elmidae (Unident.)(Larvae) QC34999I	389

Diptera QD	1168	3
Tipulidae (Unident.) QD019999	68
Ceratopogonidae (Unident.) QD099999	24

Simuliidae (Unident.) QD109999	164

Psychodidae (Unident.) QD129999	6

Tanypodinae (Unident.) QDAE9999	13
Orthocladiinae (Unident.) QDAF9999	455
Chironominae (Unident.) QDAJ9999	438
Ephemeroptera QE	86	9
Baetidae (Unident.) QE029999	74
Caenidae (Unident.) QE089999	12
Hemiptera QH	297	2
Corixidae (Unident.) QH659999	297
Odonata QO	40	3
Coenagrionidae (Unident.) QO029999	20
Zygoptera (Unident.) QO999997	20
Trichoptera QT	329	8
Hydrobiosidae (Unident.) QT019999	12
Hydroptilidae (Unident.) QT039999	45
Hydropsychidae (Unident.) QT069999	228
Ecnomidae (Unident.) QT089999	12
Calamoceratidae (Unident.) QT249999	6
Leptoceridae (Unident.) QT259999	20
Trichoptera (Unident.) QT999999	6

SIGNALT	3.7
	ORDER
Weighted SIGNALT	3.7