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

Yarra River within Spadonis Reserve YAR2161

Source	Melbourne Water
Latest Sample Date	03-12-2009
Taxa count ORDER	12
Taxa count FAMILY	30
Taxa count ALT	31
Mayflies present?	28
	ORDER	FAMILY	ALT
SIGNAL	3.5	3.9	2.8
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	38.01%	82,377,839,512m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	20.20%	43,780,297,572m²
	Pastoral Farming	3.2.0 Grazing modified pastures	16.83%	36,485,789,646m²
	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	16.10%	34,895,537,918m²
	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	7.36%	15,959,017,341m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.42%	899,750,978m²
	Minimal Use	1.3.0 Other minimal use	0.35%	749,000,814m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.25%	542,250,589m²
	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%	313,500,341m²
	Water	6.2.1 Reservoir, 6.3.0 River, 6.4.1 Supply channel/aqueduct	0.13%	276,500,300m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.10%	212,500,231m²
	Mining	5.8.2 Quarries	0.07%	142,750,155m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.5 Aquaculture, 5.2.6 Horse studs	0.05%	116,750,127m²
Show minor land uses 8
				2,167,514,855m²

Waterbug sample history

Sampled on 3 December 2009

Taxa	Abundance	SIGNALT Grade
Nematoda II	7	3
Nematoda (Unident.) II999999	7
Gastropoda KG	343	1
Lymnaeidae (Unident.) KG059999	29
Physidae (Unident.) KG089999	264
Planorbidae/Physidae (Unident.) KG9999A2	50
Bivalvia KP	28	3
Sphaeriidae (Unident.) KP039999	14
Pelecypoda (Unident.) KP999999	14
Oligochaeta LO	179	2
Oligochaeta (Unident.) LO999999	179
Amphipoda OP	21	3
Ceinidae (Unident.) OP029999	21

Unknown OT	358
Atyidae (Unident.) OT019999	186

Caridea (Unident.) OT999999	172

Coleoptera QC	49	5
Elmidae (Unident.) QC349999	21

Elmidae (Unident.)(Larvae) QC34999I	14

Brentidae (Unident.) QCAM9999	7
Hydrochidae (Unident.) QCAO9999	7

Diptera QD	699	3
Ceratopogonidae (Unident.) QD099999	42

Psychodidae (Unident.) QD129999	7

Tanypodinae (Unident.) QDAE9999	36
Orthocladiinae (Unident.) QDAF9999	300
Chironominae (Unident.) QDAJ9999	314
Ephemeroptera QE	28	9
Baetidae (Unident.) QE029999	7
Caenidae (Unident.) QE089999	21
Hemiptera QH	685	2
Veliidae (Unident.) QH569999	564
Gerridae (Unident.) QH579999	7
Corixidae (Unident.) QH659999	107
Notonectidae (Unident.) QH679999	7
Odonata QO	7	3
Megapodagrionidae (Unident.) QO079999	7
Trichoptera QT	151	8
Hydroptilidae (Unident.) QT039999	1
Ecnomidae (Unident.) QT089999	7
Calamoceratidae (Unident.) QT249999	36
Leptoceridae (Unident.) QT259999	43
Trichoptera (Unident.) QT999999	64

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.5

Sampled on 28 April 2009

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	3	2
Dugesiidae (Unident.) IF619999	3
Gastropoda KG	8	1
Planorbidae (Unident.) KG079999	3
Physidae (Unident.) KG089999	5
Hirudinea LH	3	1
Glossiphoniidae (Unident.) LH019999	3
Oligochaeta LO	31	2
Naididae (Unident.) LO059999	8
Enchytraeidae (Unident.) LO089999	18
Megadrili (Unident.) LO119999	5
Acarina MM	23	6
Mites (Unident.) MM999999	23

Unknown OT	66
Atyidae (Unident.) OT019999	66

Coleoptera QC	61	5
Hydraenidae (Unident.) QC139999	58

Elmidae (Unident.)(Larvae) QC34999I	3

Diptera QD	67	3
Tipulidae (Unident.) QD019999	23
Ceratopogonidae (Unident.) QD099999	6

Ephydridae (Unident.) QD789999	5

Orthocladiinae (Unident.) QDAF9999	28
Chironominae (Unident.) QDAJ9999	5
Hemiptera QH	542	2
Veliidae (Unident.) QH569999	13
Gerridae (Unident.) QH579999	3
Ochteridae (Unident.) QH639999	3
Corixidae (Unident.) QH659999	520
Notonectidae (Unident.) QH679999	3
Lepidoptera QL	3	2
Crambidae (Unident.) QL019999	3

Trichoptera QT	5	8
Leptoceridae (Unident.) QT259999	5

SIGNALT	2.9
	ORDER
Weighted SIGNALT	2.9

Sampled on 5 December 2008

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	790	1
Lymnaeidae (Unident.) KG059999	10
Physidae (Unident.) KG089999	780
Oligochaeta LO	570	2
Naididae (Unident.) LO059999	570
Unknown OT	280
Atyidae (Unident.) OT019999	280

Coleoptera QC	30	5
Elmidae (Unident.)(Larvae) QC34999I	30

Diptera QD	1380	3
Ceratopogonidae (Unident.) QD099999	40

Tanypodinae (Unident.) QDAE9999	630
Orthocladiinae (Unident.) QDAF9999	90
Chironominae (Unident.) QDAJ9999	620
Ephemeroptera QE	90	9
Baetidae (Unident.) QE029999	20
Caenidae (Unident.) QE089999	70
Hemiptera QH	540	2
Veliidae (Unident.) QH569999	160
Corixidae (Unident.) QH659999	380
Odonata QO	40	3
Lestidae (Unident.) QO059999	10
Hemicorduliidae (Unident.) QO309999	10
Zygoptera (Unident.) QO999997	20
Trichoptera QT	80	8
Hydroptilidae (Unident.) QT039999	20
Calamoceratidae (Unident.) QT249999	10
Leptoceridae (Unident.) QT259999	50

SIGNALT	3.7
	ORDER
Weighted SIGNALT	3.7

Sampled on 7 May 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	168	2
Dugesiidae (Unident.) IF619999	168
Gastropoda KG	36	1
Lymnaeidae (Unident.) KG059999	12
Physidae (Unident.) KG089999	8
Planorbidae/Physidae (Unident.) KG9999A2	16
Oligochaeta LO	200	2
Oligochaeta (Unident.) LO999999	200
Acarina MM	16	6
Mites (Unident.) MM999999	16

Unknown OT	472
Atyidae (Unident.) OT019999	472

Coleoptera QC	8	5
Hydraenidae (Unident.) QC139999	4

Elmidae (Unident.)(Larvae) QC34999I	4

Diptera QD	356	3
Ceratopogonidae (Unident.) QD099999	8

Orthocladiinae (Unident.) QDAF9999	84
Chironominae (Unident.) QDAJ9999	264
Ephemeroptera QE	4	9
Baetidae (Unident.) QE029999	4
Hemiptera QH	560	2
Veliidae (Unident.) QH569999	4
Gerridae (Unident.) QH579999	4
Corixidae (Unident.) QH659999	544
Notonectidae (Unident.) QH679999	8
Plecoptera QP	4	10
Gripopterygidae (Unident.) QP039999	4
Trichoptera QT	28	8
Hydroptilidae (Unident.) QT039999	8
Leptoceridae (Unident.) QT259999	20

SIGNALT	4.4
	ORDER
Weighted SIGNALT	3.6