Explore

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

Yarra River @ Yering Gorge Flow Gauge YAR2175

Source	Melbourne Water
Latest Sample Date	28-11-2012
Taxa count ORDER	12
Taxa count FAMILY	29
Taxa count ALT	30
Mayflies present?	84
	ORDER	FAMILY	ALT
SIGNAL	4.3	5.7	3.3
Weighted SIGNAL	6.3	5	5.4

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 28 November 2012

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	7	1
Ancylidae (Unident.) KG069999	7
Bivalvia KP	1	3
Pelecypoda (Unident.) KP999999	1
Oligochaeta LO	82	2
Oligochaeta (Unident.) LO999999	82
Acarina MM	16	6
Mites (Unident.) MM999999	16

Isopoda OR	2	2
Janiridae (Unident.) OR189999	2

Unknown OT	4
Atyidae (Unident.) OT019999	4

Coleoptera QC	38	5
Elmidae (Unident.) QC349999	1

Elmidae (Unident.)(Larvae) QC34999I	37

Diptera QD	465	3
Tipulidae (Unident.) QD019999	2
Simuliidae (Unident.) QD109999	64

Empididae (Unident.) QD359999	10
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	298
Chironominae (Unident.) QDAJ9999	78
Chironomidae (Unident.)(Larva) QDAZ9999	12
Ephemeroptera QE	84	9
Baetidae (Unident.) QE029999	67
Oniscigastridae (Unident.) QE039999	1
Coloburiscidae (Unident.) QE059999	1
Leptophlebiidae (Unident.) QE069999	1
Caenidae (Unident.) QE089999	2
Ephemeroptera (Unident.) QE999999	12
Odonata QO	1	3
Telephlebiidae (Unident.) QO219999	1
Plecoptera QP	14	10
Gripopterygidae (Unident.) QP039999	13
Plecoptera (Unident.) QP999999	1
Trichoptera QT	91	8
Hydrobiosidae (Unident.) QT019999	13
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	74
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	1
Trichoptera (Unident.) QT999999	1

SIGNALT	4.3
	ORDER
Weighted SIGNALT	5.1

Sampled on 4 April 2012

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	15	1
Lymnaeidae (Unident.) KG059999	1
Ancylidae (Unident.) KG069999	11
Physidae (Unident.) KG089999	3
Bivalvia KP	1	3
Pelecypoda (Unident.) KP999999	1
Oligochaeta LO	85	2
Oligochaeta (Unident.) LO999999	85
Acarina MM	10	6
Mites (Unident.) MM999999	10

Amphipoda OP	27	3
Talitridae sp.(Unident.) OP019999	21

Ceinidae (Unident.) OP029999	6

Unknown OT	62
Atyidae (Unident.) OT019999	62

Coleoptera QC	331	5
Elmidae (Unident.) QC349999	2

Elmidae (Unident.)(Larvae) QC34999I	329

Diptera QD	1634	3
Tipulidae (Unident.) QD019999	20
Ceratopogonidae (Unident.) QD099999	6

Simuliidae (Unident.) QD109999	71

Empididae (Unident.) QD359999	10
Muscidae (Unident.) QD899999	1
Orthocladiinae (Unident.) QDAF9999	1492
Chironominae (Unident.) QDAJ9999	34
Ephemeroptera QE	418	9
Baetidae (Unident.) QE029999	234
Coloburiscidae (Unident.) QE059999	151
Leptophlebiidae (Unident.) QE069999	23
Ephemeroptera (Unident.) QE999999	10
Hemiptera QH	70	2
Veliidae (Unident.) QH569999	7
Corixidae (Unident.) QH659999	63
Megaloptera QM	10	8
Corydalidae (Unident.) QM019999	10

Odonata QO	17	3
Telephlebiidae (Unident.) QO219999	12
Zygoptera (Unident.) QO999997	5
Plecoptera QP	20	10
Gripopterygidae (Unident.) QP039999	10
Plecoptera (Unident.) QP999999	10
Trichoptera QT	1773	8
Hydrobiosidae (Unident.) QT019999	40
Hydropsychidae (Unident.) QT069999	1461
Ecnomidae (Unident.) QT089999	139
Atriplectididae (Unident.) QT239999	1
Leptoceridae (Unident.) QT259999	72
Trichoptera (Unident.) QT999999	60

SIGNALT	4.5
	ORDER
Weighted SIGNALT	4.4

Sampled on 26 September 2011

Taxa	Abundance	SIGNALT Grade
Unknown IB	20
Clavidae (Unident.) IB029999	20
Gastropoda KG	6	1
Ancylidae (Unident.) KG069999	4
Physidae (Unident.) KG089999	2
Bivalvia KP	17	3
Corbiculidae (Unident.) KP029999	1
Sphaeriidae (Unident.) KP039999	14
Pelecypoda (Unident.) KP999999	2
Oligochaeta LO	1956	2
Phreodrilidae (Unident.) LO039999	16
Naididae (Unident.) LO059999	1936
Lumbriculidae (Unident.) LO069999	4
Acarina MM	22	6
Mites (Unident.) MM999999	22

Unknown OT	6
Atyidae (Unident.) OT019999	6

Coleoptera QC	436	5
Hydrophilidae (Unident.) QC119999	12

Elmidae (Unident.) QC349999	50

Elmidae (Unident.)(Larvae) QC34999I	374

Diptera QD	5589	3
Tipulidae (Unident.) QD019999	20
Ceratopogonidae (Unident.) QD099999	8

Simuliidae (Unident.) QD109999	706

Empididae (Unident.) QD359999	20
Diamesinae (Unident.) QDAB9999	10
Orthocladiinae (Unident.) QDAF9999	4193
Chironominae (Unident.) QDAJ9999	530
Chironomidae (Unident.)(Larva) QDAZ9999	102
Ephemeroptera QE	156	9
Baetidae (Unident.) QE029999	73
Coloburiscidae (Unident.) QE059999	40
Leptophlebiidae (Unident.) QE069999	10
Caenidae (Unident.) QE089999	33
Hemiptera QH	25	2
Veliidae (Unident.) QH569999	25
Plecoptera QP	101	10
Gripopterygidae (Unident.) QP039999	101
Trichoptera QT	382	8
Hydrobiosidae (Unident.) QT019999	14
Hydropsychidae (Unident.) QT069999	327
Ecnomidae (Unident.) QT089999	2
Conoesucidae (Unident.) QT159999	20
Atriplectididae (Unident.) QT239999	10
Leptoceridae (Unident.) QT259999	9

SIGNALT	4.1
	ORDER
Weighted SIGNALT	4.4

Sampled on 27 April 2011

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	195	1
Ancylidae (Unident.) KG069999	120
Physidae (Unident.) KG089999	25
Planorbidae/Physidae (Unident.) KG9999A2	50
Bivalvia KP	35	3
Pelecypoda (Unident.) KP999999	35
Oligochaeta LO	638	2
Phreodrilidae (Unident.) LO039999	10
Naididae (Unident.) LO059999	242
Lumbriculidae (Unident.) LO069999	48
Oligochaeta (Unident.) LO999999	338
Acarina MM	38	6
Mites (Unident.) MM999999	38

Unknown OT	18
Atyidae (Unident.) OT019999	18

Coleoptera QC	1942	5
Hydraenidae (Unident.) QC139999	8

Elmidae (Unident.) QC349999	97

Elmidae (Unident.)(Larvae) QC34999I	1817

Psephenidae (Unident.) QC379999	20

Diptera QD	2456	3
Tipulidae (Unident.) QD019999	27
Ceratopogonidae (Unident.) QD099999	20

Simuliidae (Unident.) QD109999	557

Empididae (Unident.) QD359999	20
Orthocladiinae (Unident.) QDAF9999	1515
Chironominae (Unident.) QDAJ9999	257
Chironomidae (Unident.)(Larva) QDAZ9999	60
Ephemeroptera QE	599	9
Baetidae (Unident.) QE029999	327
Leptophlebiidae (Unident.) QE069999	42
Caenidae (Unident.) QE089999	187
Ephemeroptera (Unident.) QE999999	43
Hemiptera QH	17	2
Veliidae (Unident.) QH569999	17
Megaloptera QM	10	8
Corydalidae (Unident.) QM019999	10

Odonata QO	10	3
Telephlebiidae (Unident.) QO219999	10
Plecoptera QP	571	10
Gripopterygidae (Unident.) QP039999	496
Plecoptera (Unident.) QP999999	75
Trichoptera QT	2654	8
Hydrobiosidae (Unident.) QT019999	27
Hydropsychidae (Unident.) QT069999	2373
Ecnomidae (Unident.) QT089999	43
Conoesucidae (Unident.) QT159999	10
Calamoceratidae (Unident.) QT249999	18
Leptoceridae (Unident.) QT259999	75
Trichoptera (Unident.) QT999999	108

SIGNALT	4.6
	ORDER
Weighted SIGNALT	4.7

Sampled on 2 December 2009

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	10	2
Dugesiidae (Unident.) IF619999	10
Gastropoda KG	250	1
Hydrobiidae (Unident.) KG029999	120
Lymnaeidae (Unident.) KG059999	20
Ancylidae (Unident.) KG069999	20
Planorbidae (Unident.) KG079999	10
Physidae (Unident.) KG089999	60
Planorbidae/Physidae (Unident.) KG9999A2	20
Bivalvia KP	60	3
Sphaeriidae (Unident.) KP039999	10
Pelecypoda (Unident.) KP999999	50
Oligochaeta LO	360	2
Oligochaeta (Unident.) LO999999	360
Acarina MM	50	6
Mites (Unident.) MM999999	50

Unknown OT	122
Atyidae (Unident.) OT019999	122

Coleoptera QC	120	5
Dytiscidae (Unident.)(Larva) QC09999I	10
Elmidae (Unident.) QC349999	20

Elmidae (Unident.)(Larvae) QC34999I	90

Diptera QD	6290	3
Tipulidae (Unident.) QD019999	10
Ceratopogonidae (Unident.) QD099999	140

Simuliidae (Unident.) QD109999	1460

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

Tanypodinae (Unident.) QDAE9999	30
Orthocladiinae (Unident.) QDAF9999	4150
Chironominae (Unident.) QDAJ9999	470
Ephemeroptera QE	710	9
Baetidae (Unident.) QE029999	630
Caenidae (Unident.) QE089999	80
Hemiptera QH	370	2
Veliidae (Unident.) QH569999	360
Corixidae (Unident.) QH659999	10
Odonata QO	1	3
Telephlebiidae (Unident.) QO219999	1
Plecoptera QP	20	10
Gripopterygidae (Unident.) QP039999	20
Trichoptera QT	600	8
Hydroptilidae (Unident.) QT039999	130
Hydropsychidae (Unident.) QT069999	330
Ecnomidae (Unident.) QT089999	10
Atriplectididae (Unident.) QT239999	10
Leptoceridae (Unident.) QT259999	60
Trichoptera (Unident.) QT999999	60

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.2

Sampled on 28 April 2009

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	10	2
Dugesiidae (Unident.) IF619999	10
Gastropoda KG	487	1
Lymnaeidae (Unident.) KG059999	17
Ancylidae (Unident.) KG069999	370
Physidae (Unident.) KG089999	77
Planorbidae/Physidae (Unident.) KG9999A2	23
Bivalvia KP	46	3
Corbiculidae (Unident.) KP029999	23
Pelecypoda (Unident.) KP999999	23
Oligochaeta LO	53	2
Naididae (Unident.) LO059999	53
Acarina MM	50	6
Mites (Unident.) MM999999	50

Unknown OT	156
Atyidae (Unident.) OT019999	156

Coleoptera QC	343	5
Elmidae (Unident.) QC349999	13

Elmidae (Unident.)(Larvae) QC34999I	330

Diptera QD	2550	3
Tipulidae (Unident.) QD019999	230
Ceratopogonidae (Unident.) QD099999	66

Simuliidae (Unident.) QD109999	597

Tanypodinae (Unident.) QDAE9999	17
Orthocladiinae (Unident.) QDAF9999	1027
Chironominae (Unident.) QDAJ9999	610
Chironomidae (Unident.)(Larva) QDAZ9999	3
Ephemeroptera QE	297	9
Baetidae (Unident.) QE029999	250
Caenidae (Unident.) QE089999	47
Hemiptera QH	3	2
Corixidae (Unident.) QH659999	3
Lepidoptera QL	3	2
Crambidae (Unident.) QL019999	3

Odonata QO	3	3
Zygoptera (Unident.) QO999997	3
Trichoptera QT	827	8
Hydrobiosidae (Unident.) QT019999	40
Hydroptilidae (Unident.) QT039999	120
Hydropsychidae (Unident.) QT069999	510
Ecnomidae (Unident.) QT089999	50
Conoesucidae (Unident.) QT159999	40
Atriplectididae (Unident.) QT239999	10
Calamoceratidae (Unident.) QT249999	7
Leptoceridae (Unident.) QT259999	33
Trichoptera (Unident.) QT999999	17

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.8

Sampled on 3 December 2008

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	455	1
Lymnaeidae (Unident.) KG059999	35
Physidae (Unident.) KG089999	195
Planorbidae/Physidae (Unident.) KG9999A2	225
Bivalvia KP	25	3
Corbiculidae (Unident.) KP029999	25
Oligochaeta LO	25	2
Naididae (Unident.) LO059999	25
Unknown OT	42
Atyidae (Unident.) OT019999	32

Caridea (Unident.) OT999999	10

Coleoptera QC	110	5
Dytiscidae (Unident.)(Larva) QC09999I	20
Elmidae (Unident.) QC349999	60

Elmidae (Unident.)(Larvae) QC34999I	30

Diptera QD	4365	3
Ceratopogonidae (Unident.) QD099999	100

Simuliidae (Unident.) QD109999	125

Empididae (Unident.) QD359999	10
Tanypodinae (Unident.) QDAE9999	495
Orthocladiinae (Unident.) QDAF9999	1915
Chironominae (Unident.) QDAJ9999	1690
Chironomidae (Unident.)(Larva) QDAZ9999	30
Ephemeroptera QE	125	9
Baetidae (Unident.) QE029999	25
Caenidae (Unident.) QE089999	80
Ephemeroptera (Unident.) QE999999	20
Hemiptera QH	5	2
Corixidae (Unident.) QH659999	5
Trichoptera QT	355	8
Hydroptilidae (Unident.) QT039999	135
Hydropsychidae (Unident.) QT069999	95
Calamoceratidae (Unident.) QT249999	40
Leptoceridae (Unident.) QT259999	65
Trichoptera (Unident.) QT999999	20

SIGNALT	3.7
	ORDER
Weighted SIGNALT	3.8

Sampled on 8 May 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	49	2
Dugesiidae (Unident.) IF619999	49
Gastropoda KG	127	1
Lymnaeidae (Unident.) KG059999	26
Ancylidae (Unident.) KG069999	30
Planorbidae (Unident.) KG079999	13
Physidae (Unident.) KG089999	39
Planorbidae/Physidae (Unident.) KG9999A2	19
Bivalvia KP	126	3
Corbiculidae (Unident.) KP029999	40
Sphaeriidae (Unident.) KP039999	6
Pelecypoda (Unident.) KP999999	80
Oligochaeta LO	1068	2
Oligochaeta (Unident.) LO999999	1068
Acarina MM	123	6
Mites (Unident.) MM999999	123

Amphipoda OP	18	3
Ceinidae (Unident.) OP029999	18

Unknown OT	370
Atyidae (Unident.) OT019999	370

Coleoptera QC	860	5
Elmidae (Unident.)(Larvae) QC34999I	860

Diptera QD	3749	3
Tipulidae (Unident.) QD019999	90
Simuliidae (Unident.) QD109999	1714

Empididae (Unident.) QD359999	10
Tanypodinae (Unident.) QDAE9999	6
Orthocladiinae (Unident.) QDAF9999	1327
Chironominae (Unident.) QDAJ9999	572
Chironomidae (Unident.)(Larva) QDAZ9999	30
Ephemeroptera QE	614	9
Baetidae (Unident.) QE029999	338
Caenidae (Unident.) QE089999	226
Ephemeroptera (Unident.) QE999999	50
Hemiptera QH	104	2
Veliidae (Unident.) QH569999	19
Gerridae (Unident.) QH579999	13
Corixidae (Unident.) QH659999	72
Lepidoptera QL	6	2
Nymphulinae (Unident.) QL0199B1	6

Plecoptera QP	10	10
Gripopterygidae (Unident.) QP039999	10
Trichoptera QT	488	8
Hydrobiosidae (Unident.) QT019999	50
Hydroptilidae (Unident.) QT039999	136
Hydropsychidae (Unident.) QT069999	130
Ecnomidae (Unident.) QT089999	6
Conoesucidae (Unident.) QT159999	40
Leptoceridae (Unident.) QT259999	6
Trichoptera (Unident.) QT999999	120

SIGNALT	4.0
	ORDER
Weighted SIGNALT	3.9