Explore

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

Werribee river at mills park reserve ballan WER0101

Source	Melbourne Water
Latest Sample Date	15-05-2013
Taxa count ORDER	11
Taxa count FAMILY	17
Taxa count ALT	17
Mayflies present?	750
	ORDER	FAMILY	ALT
SIGNAL	3.8	4.1	2.7
Weighted SIGNAL	5.4		4.3

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests	46.74%	4,830,959,268m²
	Pastoral Farming	3.2.0 Grazing modified pastures	26.55%	2,744,340,714m²
	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	19.78%	2,044,636,289m²
	Arable Farming	3.3.0 Cropping	3.90%	402,579,939m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	2.04%	211,160,800m²
	Natural	1.1.1 Strict nature reserves, 1.1.7 Other conserved area	0.72%	73,968,754m²
	Industrial	5.3.4 Bulk grain storage, 5.3.5 Abattoirs, 5.5.1 Commercial services	0.25%	25,489,233m²
	Waste Management	5.9.5 Sewage/sewerage	0.02%	2,249,050m²
	Water	6.4.1 Supply channel/aqueduct	0.00%	249,894m²
Show minor land uses 5
				103,356,339m²

Waterbug sample history

Sampled on 15 May 2013

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	90	1
Ancylidae (Unident.) KG069999	80
Physidae (Unident.) KG089999	10
Oligochaeta LO	270	2
Oligochaeta (Unident.) LO999999	270
Acarina MM	10	6
Mites (Unident.) MM999999	10

Amphipoda OP	300	3
Ceinidae (Unident.) OP029999	300

Unknown OT	2
Atyidae (Unident.) OT019999	2

Coleoptera QC	50	5
Dytiscidae (Unident.)(Larva) QC09999I	50
Diptera QD	1240	3
Ceratopogonidae (Unident.) QD099999	20

Tanypodinae (Unident.) QDAE9999	120
Orthocladiinae (Unident.) QDAF9999	20
Chironominae (Unident.) QDAJ9999	1080
Ephemeroptera QE	750	9
Baetidae (Unident.) QE029999	100
Leptophlebiidae (Unident.) QE069999	650
Hemiptera QH	210	2
Corixidae (Unident.) QH659999	210
Odonata QO	10	3
Epiproctophora (Unident.) QO999998	10
Trichoptera QT	490	8
Hydroptilidae (Unident.) QT039999	480
Leptoceridae (Unident.) QT259999	10

SIGNALT	3.8
	ORDER
Weighted SIGNALT	4.1

Sampled on 4 October 2012

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	2160	2
Oligochaeta (Unident.) LO999999	2160
Acarina MM	24	6
Mites (Unident.) MM999999	24

Amphipoda OP	360	3
Ceinidae (Unident.) OP029999	162

Amphipoda (Unident.) OP999999	198

Isopoda OR	18	2
Janiridae (Unident.) OR189999	18

Unknown OT	96
Atyidae (Unident.) OT019999	96

Coleoptera QC	18	5
Hydraenidae (Unident.) QC139999	12

Scirtidae (Unident.)(Larva) QC20999I	6

Diptera QD	1008	3
Ceratopogonidae (Unident.) QD099999	24

Simuliidae (Unident.) QD109999	420

Sciomyzidae (Unident.) QD459999	6

Muscidae (Unident.) QD899999	6
Diamesinae (Unident.) QDAB9999	240
Tanypodinae (Unident.) QDAE9999	36
Orthocladiinae (Unident.) QDAF9999	138
Chironominae (Unident.) QDAJ9999	138
Ephemeroptera QE	30	9
Baetidae (Unident.) QE029999	24
Leptophlebiidae (Unident.) QE069999	6
Hemiptera QH	60	2
Veliidae (Unident.) QH569999	6
Corixidae (Unident.) QH659999	54
Odonata QO	6	3
Coenagrionidae (Unident.) QO029999	6
Plecoptera QP	150	10
Gripopterygidae (Unident.) QP039999	150
Trichoptera QT	18	8
Hydroptilidae (Unident.) QT039999	6
Leptoceridae (Unident.) QT259999	12

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.4

Sampled on 16 March 2012

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	4	1
Ancylidae (Unident.) KG069999	2
Physidae (Unident.) KG089999	1
Planorbidae/Physidae (Unident.) KG9999A2	1
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	8	6
Mites (Unident.) MM999999	8

Amphipoda OP	12	3
Ceinidae (Unident.) OP029999	9

Amphipoda (Unident.) OP999999	3

Unknown OT	40
Atyidae (Unident.) OT019999	40

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Decapoda OZ	4	4
Decapoda (Unident.) OZ999998	4

Coleoptera QC	5	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	3

Hydraenidae (Unident.) QC139999	1

Diptera QD	58	3
Ceratopogonidae (Unident.) QD099999	6

Muscidae (Unident.) QD899999	1
Tanypodinae (Unident.) QDAE9999	4
Orthocladiinae (Unident.) QDAF9999	4
Chironominae (Unident.) QDAJ9999	39
Chironomidae (Unident.)(Larva) QDAZ9999	4
Ephemeroptera QE	3	9
Baetidae (Unident.) QE029999	1
Ephemeroptera (Unident.) QE999999	2
Hemiptera QH	213	2
Veliidae (Unident.) QH569999	1
Corixidae (Unident.) QH659999	205
Notonectidae (Unident.) QH679999	7
Odonata QO	1	3
Coenagrionidae (Unident.) QO029999	1
Trichoptera QT	8	8
Hydroptilidae (Unident.) QT039999	8

SIGNALT	3.5
	ORDER
Weighted SIGNALT	3.4

Sampled on 16 November 2011

Taxa	Abundance	SIGNALT Grade
Unknown IB	20
Hydridae (Unident.) IB019999	20
Turbellaria IF	10	2
Temnocephalidea (Unident.) IF499999	10
Gastropoda KG	220	1
Hydrobiidae (Unident.) KG029999	150
Lymnaeidae (Unident.) KG059999	10
Ancylidae (Unident.) KG069999	30
Physidae (Unident.) KG089999	10
Gastropoda (Unident.) KG999999	20
Bivalvia KP	30	3
Sphaeriidae (Unident.) KP039999	10
Pelecypoda (Unident.) KP999999	20
Oligochaeta LO	15120	2
Oligochaeta (Unident.) LO999999	15120
Acarina MM	40	6
Mites (Unident.) MM999999	40

Amphipoda OP	1980	3
Ceinidae (Unident.) OP029999	1800

Amphipoda (Unident.) OP999999	180

Isopoda OR	10	2
Janiridae (Unident.) OR189999	10

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	210	5
Dytiscidae (Unident.) QC099999	10
Dytiscidae (Unident.)(Larva) QC09999I	150
Gyrinidae (Unident.)(Larva) QC10999I	10

Hydrophilidae (Unident.)(Larva) QC11999I	10

Hydraenidae (Unident.) QC139999	30

Diptera QD	6760	3
Ceratopogonidae (Unident.) QD099999	60

Simuliidae (Unident.) QD109999	1740

Empididae (Unident.) QD359999	30
Sciomyzidae (Unident.) QD459999	10

Tanypodinae (Unident.) QDAE9999	100
Orthocladiinae (Unident.) QDAF9999	3270
Chironominae (Unident.) QDAJ9999	1530
Chironomidae (Unident.)(Larva) QDAZ9999	20
Ephemeroptera QE	3060	9
Baetidae (Unident.) QE029999	2900
Leptophlebiidae (Unident.) QE069999	140
Caenidae (Unident.) QE089999	20
Hemiptera QH	150	2
Corixidae (Unident.) QH659999	150
Plecoptera QP	180	10
Notonemouridae (Unident.) QP049999	160
Plecoptera (Unident.) QP999999	20
Trichoptera QT	2990	8
Hydrobiosidae (Unident.) QT019999	210
Hydroptilidae (Unident.) QT039999	2740
Hydropsychidae (Unident.) QT069999	20
Leptoceridae (Unident.) QT259999	20

SIGNALT	3.7
	ORDER
Weighted SIGNALT	4.1

Sampled on 7 March 2011

Taxa	Abundance	SIGNALT Grade
Nematoda II	17	3
Nematoda (Unident.) II999999	17
Oligochaeta LO	612	2
Oligochaeta (Unident.) LO999999	612
Acarina MM	35	6
Mites (Unident.) MM999999	35

Amphipoda OP	597	3
Ceinidae (Unident.) OP029999	336

Amphipoda (Unident.) OP999999	261

Unknown OT	34
Atyidae (Unident.) OT019999	34

Unknown OV	34
Parastacidae (Unident.) OV019999	34

Coleoptera QC	1160	5
Hydrophilidae (Unident.) QC119999	1125

Hydraenidae (Unident.) QC139999	17

Scirtidae (Unident.) QC209999	8

Elmidae (Unident.)(Larvae) QC34999I	10

Diptera QD	2782	3
Simuliidae (Unident.) QD109999	220

Empididae (Unident.) QD359999	10
Tanypodinae (Unident.) QDAE9999	175
Orthocladiinae (Unident.) QDAF9999	1932
Chironominae (Unident.) QDAJ9999	375
Chironomidae (Unident.)(Larva) QDAZ9999	45
Chironomidae (Unident.) (Pupa) QDAZ999I	25
Ephemeroptera QE	1186	9
Baetidae (Unident.) QE029999	1107
Leptophlebiidae (Unident.) QE069999	42
Ephemeroptera (Unident.) QE999999	37
Hemiptera QH	233	2
Gelastocoridae (Unident.) QH649999	8
Corixidae (Unident.) QH659999	225
Odonata QO	25	3
Coenagrionidae (Unident.) QO029999	8
Zygoptera (Unident.) QO999997	17
Plecoptera QP	10	10
Gripopterygidae (Unident.) QP039999	10
Trichoptera QT	405	8
Hydrobiosidae (Unident.) QT019999	20
Hydroptilidae (Unident.) QT039999	140
Hydropsychidae (Unident.) QT069999	30
Ecnomidae (Unident.) QT089999	20
Leptoceridae (Unident.) QT259999	50
Trichoptera (Unident.) QT999999	145

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.0

Sampled on 28 October 2010

Taxa	Abundance	SIGNALT Grade
Unknown IB	30
Hydridae (Unident.) IB019999	30
Gastropoda KG	30	1
Planorbidae/Physidae (Unident.) KG9999A2	30
Oligochaeta LO	2120	2
Oligochaeta (Unident.) LO999999	2120
Acarina MM	50	6
Mites (Unident.) MM999999	50

Amphipoda OP	420	3
Ceinidae (Unident.) OP029999	360

Amphipoda (Unident.) OP999999	60

Isopoda OR	10	2
Janiridae (Unident.) OR189999	10

Unknown OT	40
Atyidae (Unident.) OT019999	40

Unknown OV	2
Parastacidae (Unident.) OV019999	2

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

Diptera QD	7850	3
Ceratopogonidae (Unident.) QD099999	200

Simuliidae (Unident.) QD109999	1030

Psychodidae (Unident.) QD129999	40

Diamesinae (Unident.) QDAB9999	1960
Tanypodinae (Unident.) QDAE9999	40
Orthocladiinae (Unident.) QDAF9999	4350
Chironominae (Unident.) QDAJ9999	130
Diptera (Unident.)(Larva) QDZZ9999	100

Hemiptera QH	30	2
Veliidae (Unident.) QH569999	10
Corixidae (Unident.) QH659999	20
Odonata QO	20	3
Coenagrionidae (Unident.) QO029999	20
Trichoptera QT	30	8
Hydroptilidae (Unident.) QT039999	20
Leptoceridae (Unident.) QT259999	10

SIGNALT	2.7
	ORDER
Weighted SIGNALT	2.8

Sampled on 31 March 2010

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	69	1
Hydrobiidae (Unident.) KG029999	3
Lymnaeidae (Unident.) KG059999	3
Ancylidae (Unident.) KG069999	53
Planorbidae (Unident.) KG079999	10
Bivalvia KP	16	3
Sphaeriidae (Unident.) KP039999	3
Pelecypoda (Unident.) KP999999	13
Oligochaeta LO	273	2
Oligochaeta (Unident.) LO999999	273
Acarina MM	47	6
Mites (Unident.) MM999999	47

Amphipoda OP	60	3
Ceinidae (Unident.) OP029999	51

Paramelitidae (Unident.) OP069999	9

Unknown OV	6
Parastacidae (Unident.) OV019999	6

Coleoptera QC	30	5
Dytiscidae (Unident.) QC099999	3
Hydrophilidae (Unident.) QC119999	21

Hydrophilidae (Unident.)(Larva) QC11999I	3

Scirtidae (Unident.)(Larva) QC20999I	3

Diptera QD	243	3
Dixidae (Unident.) QD069999	7

Stratiomyidae (Unident.) QD249999	10
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	3
Chironominae (Unident.) QDAJ9999	220
Ephemeroptera QE	90	9
Baetidae (Unident.) QE029999	13
Leptophlebiidae (Unident.) QE069999	70
Caenidae (Unident.) QE089999	7
Hemiptera QH	267	2
Veliidae (Unident.) QH569999	17
Corixidae (Unident.) QH659999	250
Odonata QO	16	3
Coenagrionidae (Unident.) QO029999	10
Hemicorduliidae (Unident.) QO309999	3
Epiproctophora (Unident.) QO999998	3
Trichoptera QT	27	8
Hydroptilidae (Unident.) QT039999	10
Leptoceridae (Unident.) QT259999	17

SIGNALT	3.8
	ORDER
Weighted SIGNALT	3.9

Sampled on 6 November 2009

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	330	1
Hydrobiidae (Unident.) KG029999	10
Lymnaeidae (Unident.) KG059999	20
Ancylidae (Unident.) KG069999	20
Planorbidae (Unident.) KG079999	40
Physidae (Unident.) KG089999	120
Gastropoda (Unident.) KG999999	10
Planorbidae/Physidae (Unident.) KG9999A2	110
Oligochaeta LO	6870	2
Oligochaeta (Unident.) LO999999	6870
Acarina MM	30	6
Mites (Unident.) MM999999	30

Amphipoda OP	720	3
Ceinidae (Unident.) OP029999	630

Amphipoda (Unident.) OP999999	90

Coleoptera QC	120	5
Dytiscidae (Unident.)(Larva) QC09999I	120
Diptera QD	15200	3
Ceratopogonidae (Unident.) QD099999	60

Simuliidae (Unident.) QD109999	2500

Stratiomyidae (Unident.) QD249999	10
Empididae (Unident.) QD359999	10
Ephydridae (Unident.) QD789999	10

Tanypodinae (Unident.) QDAE9999	10
Orthocladiinae (Unident.) QDAF9999	11440
Chironominae (Unident.) QDAJ9999	1050
Chironomidae (Unident.)(Larva) QDAZ9999	110
Hemiptera QH	20	2
Corixidae (Unident.) QH659999	20
Plecoptera QP	110	10
Gripopterygidae (Unident.) QP039999	100
Plecoptera (Unident.) QP999999	10
Trichoptera QT	80	8
Hydroptilidae (Unident.) QT039999	80

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.5

Sampled on 25 March 2009

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	10	3
Pelecypoda (Unident.) KP999999	10
Oligochaeta LO	2530	2
Naididae (Unident.) LO059999	2490
Oligochaeta (Unident.) LO999999	40
Acarina MM	50	6
Mites (Unident.) MM999999	50

Amphipoda OP	93	3
Ceinidae (Unident.) OP029999	60

Eusiridae (Unident.) OP039999	3

Amphipoda (Unident.) OP999999	30

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	130	5
Dytiscidae (Unident.) QC099999	20
Dytiscidae (Unident.)(Larva) QC09999I	50
Hydrophilidae (Unident.) QC119999	30

Hydraenidae (Unident.) QC139999	30

Diptera QD	321	3
Tipulidae (Unident.) QD019999	1
Ceratopogonidae (Unident.) QD099999	100

Simuliidae (Unident.) QD109999	10

Stratiomyidae (Unident.) QD249999	10
Tanypodinae (Unident.) QDAE9999	70
Orthocladiinae (Unident.) QDAF9999	10
Chironominae (Unident.) QDAJ9999	120
Ephemeroptera QE	60	9
Baetidae (Unident.) QE029999	50
Caenidae (Unident.) QE089999	10
Hemiptera QH	3000	2
Veliidae (Unident.) QH569999	30
Corixidae (Unident.) QH659999	2890
Notonectidae (Unident.) QH679999	80
Trichoptera QT	10	8
Hydroptilidae (Unident.) QT039999	10

SIGNALT	4.1
	ORDER
Weighted SIGNALT	4.4

Sampled on 25 November 2008

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	315	1
Lymnaeidae (Unident.) KG059999	25
Ancylidae (Unident.) KG069999	5
Planorbidae (Unident.) KG079999	50
Physidae (Unident.) KG089999	150
Planorbidae/Physidae (Unident.) KG9999A2	85
Amphipoda OP	1470	3
Paramelitidae (Unident.) OP069999	1260

Amphipoda (Unident.) OP999999	210

Coleoptera QC	90	5
Dytiscidae (Unident.) QC099999	20
Dytiscidae (Unident.)(Larva) QC09999I	55
Hydrophilidae (Unident.)(Larva) QC11999I	15

Diptera QD	475	3
Culicidae (Unident.) QD079999	40

Ceratopogonidae (Unident.) QD099999	70

Stratiomyidae (Unident.) QD249999	5
Empididae (Unident.) QD359999	5
Tanypodinae (Unident.) QDAE9999	30
Orthocladiinae (Unident.) QDAF9999	85
Chironominae (Unident.) QDAJ9999	230
Chironomidae (Unident.)(Larva) QDAZ9999	10
Ephemeroptera QE	10	9
Leptophlebiidae (Unident.) QE069999	10
Hemiptera QH	145	2
Veliidae (Unident.) QH569999	20
Corixidae (Unident.) QH659999	90
Notonectidae (Unident.) QH679999	35
Trichoptera QT	45	8
Hydroptilidae (Unident.) QT039999	45

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.2

Sampled on 14 May 2008

Taxa	Abundance	SIGNALT Grade
Oligochaeta LO	286	2
Oligochaeta (Unident.) LO999999	286
Amphipoda OP	60	3
Ceinidae (Unident.) OP029999	60

Coleoptera QC	159	5
Dytiscidae (Unident.) QC099999	53
Dytiscidae (Unident.)(Larva) QC09999I	67
Hydrophilidae (Unident.) QC119999	39

Diptera QD	533	3
Ceratopogonidae (Unident.) QD099999	320

Tanypodinae (Unident.) QDAE9999	13
Orthocladiinae (Unident.) QDAF9999	7
Chironominae (Unident.) QDAJ9999	193
Ephemeroptera QE	20	9
Baetidae (Unident.) QE029999	13
Caenidae (Unident.) QE089999	7
Hemiptera QH	1498	2
Corixidae (Unident.) QH659999	1498
Trichoptera QT	100	8
Hydroptilidae (Unident.) QT039999	87
Leptoceridae (Unident.) QT259999	13

SIGNALT	4.6
	ORDER
Weighted SIGNALT	4.4

Sampled on 17 May 2006

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	10	1
Planorbidae (Unident.) KG079999	2
Physidae (Unident.) KG089999	8
Bivalvia KP	2	3
Corbiculidae (Unident.) KP029999	2
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	1	6
Mites (Unident.) MM999999	1

Amphipoda OP	105	3
Ceinidae (Unident.) OP029999	90

Paramelitidae (Unident.) OP069999	15

Coleoptera QC	42	5
Dytiscidae (Unident.) QC099999	17
Hydrophilidae (Unident.) QC119999	21

Hydrochidae (Unident.) QCAO9999	4

Diptera QD	48	3
Culicidae (Unident.) QD079999	32

Stratiomyidae (Unident.) QD249999	3
Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	11
Hemiptera QH	19	2
Hydrometridae (Unident.) QH549999	1
Veliidae (Unident.) QH569999	6
Corixidae (Unident.) QH659999	12
Odonata QO	4	3
Coenagrionidae (Unident.) QO029999	1
Lestidae (Unident.) QO059999	1
Aeshnidae (Unident.) QO129999	1
Hemicorduliidae (Unident.) QO309999	1
Trichoptera QT	7	8
Leptoceridae (Unident.) QT259999	7

SIGNALT	3.6
	ORDER
Weighted SIGNALT	3.6

Sampled on 20 December 2005

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	15	1
Lymnaeidae (Unident.) KG059999	1
Planorbidae (Unident.) KG079999	8
Physidae (Unident.) KG089999	5
Planorbidae/Physidae (Unident.) KG9999A2	1
Oligochaeta LO	10	2
Oligochaeta (Unident.) LO999999	10
Acarina MM	31	6
Mites (Unident.) MM999999	31

Amphipoda OP	177	3
Ceinidae (Unident.) OP029999	123

Paramelitidae (Unident.) OP069999	54

Unknown OT	52
Atyidae (Unident.) OT019999	52

Coleoptera QC	27	5
Dytiscidae (Unident.) QC099999	13
Dytiscidae (Unident.)(Larva) QC09999I	4
Hydrophilidae (Unident.) QC119999	3

Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.)(Larva) QC20999I	1

Elmidae (Unident.)(Larvae) QC34999I	1

Psephenidae (Unident.) QC379999	4

Diptera QD	143	3
Culicidae (Unident.) QD079999	4

Ceratopogonidae (Unident.) QD099999	6

Simuliidae (Unident.) QD109999	30

Tanypodinae (Unident.) QDAE9999	1
Orthocladiinae (Unident.) QDAF9999	51
Chironominae (Unident.) QDAJ9999	51
Ephemeroptera QE	4	9
Baetidae (Unident.) QE029999	3
Leptophlebiidae (Unident.) QE069999	1
Hemiptera QH	15	2
Veliidae (Unident.) QH569999	7
Corixidae (Unident.) QH659999	7
Notonectidae (Unident.) QH679999	1
Odonata QO	16	3
Coenagrionidae (Unident.) QO029999	13
Lestidae (Unident.) QO059999	1
Hemicorduliidae (Unident.) QO309999	2
Plecoptera QP	28	10
Gripopterygidae (Unident.) QP039999	22
Notonemouridae (Unident.) QP049999	6
Trichoptera QT	95	8
Hydrobiosidae (Unident.) QT019999	14
Hydroptilidae (Unident.) QT039999	36
Hydropsychidae (Unident.) QT069999	3
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	37
Trichoptera (Unident.) QT999999	4

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.2