Explore

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

MARIBYRNONG RIVER 100M D/S OF BRIMBANK SEWERAGE OUTFALL 3060

Source	EPA Victoria
Latest Sample Date	22-02-1995
Taxa count ORDER	5
Taxa count FAMILY	13
Taxa count ALT	21
Mayflies present?	2
	ORDER	FAMILY	ALT
SIGNAL	5.4	4.5	2.9
Weighted SIGNAL	5.1	4.4	5.6

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Pastoral Farming	3.2.0 Grazing modified pastures	63.13%	82,912,080,111m²
	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, 5.6.6 Gas treatment, storage and transmission, 5.6.7 Water extraction and transmission, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways, 5.7.5 Navigation and communication	24.14%	31,699,883,635m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	4.10%	5,387,810,259m²
	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	3.64%	4,776,081,802m²
	Arable Farming	3.3.0 Cropping, 3.3.1 Cereals, 3.3.4 Oilseeds, 3.3.8 Pulses, 3.4.9 Grapes, 3.5.3 Seasonal vegetables and herbs	1.93%	2,531,660,843m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.2 Softwood plantation forestry	0.85%	1,118,460,612m²
	Intensive Pastoral Farming	5.2.3 Poultry farms, 5.2.4 Piggeries, 5.2.6 Horse studs	0.48%	627,477,902m²
	Industrial	5.3.0 Manufacturing and industrial, 5.3.1 General purpose factory, 5.5.1 Commercial services	0.45%	593,729,091m²
	Water	6.2.1 Reservoir, 6.2.2 Water storage - intensive use/farm dams, 6.4.1 Supply channel/aqueduct	0.40%	529,481,353m²
	Minimal Use	1.3.0 Other minimal use	0.27%	353,737,543m²
	Mining	5.8.2 Quarries	0.20%	267,490,580m²
	Unknown	3.6.4 No defined use, 5.8.4 Extractive industry not in use	0.20%	257,740,923m²
	Waste Management	5.9.0 Waste treatment and disposal, 5.9.2 Landfill, 5.9.5 Sewage/sewerage	0.19%	243,241,434m²
	Intensive Arable Farming	5.1.1 Production nurseries	0.02%	31,248,900m²
Show minor land uses 10
				1,313,301,250m²

Waterbug sample history

Sampled on 22 February 1995

Taxa	Abundance	SIGNALT Grade
Coleoptera QC	49	5
Austrolimnius sp.(Unident.) QC340199	2

Simsonia longipes (Larva) QC34020H	2

Simsonia EPA sp.A5 QC3402A4	32

Notriolus victoriae QC340316	2

Unknown QC37010D	11
Diptera QD	239	3
Simulium ornatipes QD100202	31

Empididae (Unident.) (Pupa) QD35999I	1
Empididae SRV sp.1 QD3599A1	1
Cricotopus sp.(Unident.) QDAF1599	8
Botryocladius sp.(Unident.) QDAF3599	1
Riethia sp.(Unident.) QDAG0199	2
Rheotanytarsus sp.(Unident.) QDAH0799	159
Chironomus sp.(Unident.) QDAI0499	10

Dicrotendipes sp.(Unident.) QDAI0699	1
Chironomidae (Unident.)(Larva) QDAZ9999	21
Chironomidae (Unident.) (Pupa) QDAZ999I	4
Ephemeroptera QE	2	9
Tasmanocoenis sp.(Unident.) QE080199	2
Hemiptera QH	1	2
Microvelia sp.(Unident.) QH560199	1
Trichoptera QT	19	8
Cheumatopsyche sp.AV2 QT0605A2	2
Ecnomus pansus QT080401	16
Ecnomus sp.(Unident.) QT080499	1

SIGNALT	5.4
	ORDER
Weighted SIGNALT	5.2

Sampled on 9 November 1994

Taxa	Abundance	SIGNALT Grade
Amphipoda OP	3	3
Austrochiltonia sp.(Unident.) OP020199	3

Unknown OX	2
Amarinus lacustris OX010101	2

Coleoptera QC	34	5
Platynectes EPA sp.L1 QC0922A1	6

Dytiscidae EPA sp.L4 QC0999A4	11
Simsonia EPA sp.A2 QC3402A1	12

Simsonia sp.L3E(F) QC3402A8	4

Simsonia sp.L2E QC3402B1	1

Diptera QD	269	3
Tipulidae EPA sp.40 QD0199A5	1
Simulium ornatipes QD100202	27

Empididae (Unident.) QD359999	2
Paramerina sp.(Unident.) QDAE1299	1
Thienemanniella sp.(Unident.) QDAF0799	13
Cardiocladius sp.(Unident.) QDAF1499	3
Cricotopus sp.(Unident.) QDAF1599	139
Botryocladius sp.(Unident.) QDAF3599	7
Orthocladiinae (Unident.) QDAF9999	6
Rheotanytarsus sp.(Unident.) QDAH0799	38
Chironomus sp.(Unident.) QDAI0499	2

Polypedilum sp.(Unident.) QDAI0899	10
Cryptochironomus sp.(Unident.) QDAI1999	2

Chironomidae (Unident.)(Larva) QDAZ9999	18
Ephemeroptera QE	9	9
Tasmanocoenis sp.(Unident.) QE080199	9
Odonata QO	4	3
Austroaeschna unicornis unicornis QO210308	4
Trichoptera QT	6	8
Cheumatopsyche sp.AV2 QT0605A2	3
Ecnomus continentalis QT080402	2
Triplectides similis QT251108	1

SIGNALT	4.4
	ORDER
Weighted SIGNALT	4.9