Explore

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

Source	Office of Environment and Heritage
Latest Sample Date	18-11-1997
Taxa count ORDER	9
Taxa count FAMILY	23
Taxa count ALT	23
Mayflies present?	81
	ORDER	FAMILY	ALT
SIGNAL	5.4	4.8	3.9
Weighted SIGNAL	4.6		5.3

	Category	ALUM Categories	Percent of upstream catchment	Area
	Forestry	2.2.0 Production native forests	47.44%	9,348,167,084m²
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	40.24%	7,928,141,703m²
	Pastoral Farming	3.2.0 Grazing modified pastures	9.21%	1,815,532,450m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.3.0 River	1.99%	392,257,011m²
	Arable Farming	3.3.0 Cropping	0.82%	161,252,882m²
	Forestry Plantation	3.1.2 Softwood plantation forestry	0.19%	37,500,670m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.7.2 Roads	0.11%	20,750,371m²
Show minor land uses 4
				197,036,022m²

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	4	1
Lymnaeidae (Unident.) KG059999	1
Planorbidae (Unident.) KG079999	2
Physidae (Unident.) KG089999	1
Coleoptera QC	46	5
Hydrophilidae (Unident.) QC119999	15

Elmidae (Unident.) QC349999	29

Psephenidae (Unident.) QC379999	2

Diptera QD	189	3
Tipulidae (Unident.) QD019999	9
Ceratopogonidae (Unident.) QD099999	4

Simuliidae (Unident.) QD109999	8

Empididae (Unident.) QD359999	5
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	82
Chironominae (Unident.) QDAJ9999	78
Ephemeroptera QE	81	9
Caenidae (Unident.) QE089999	81
Hemiptera QH	2	2
Gerridae (Unident.) QH579999	2
Megaloptera QM	21	8
Corydalidae (Unident.) QM019999	21

Odonata QO	9	3
Gomphidae (Unident.) QO139999	9
Plecoptera QP	26	10
Gripopterygidae (Unident.) QP039999	26
Trichoptera QT	18	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	2
Ecnomidae (Unident.) QT089999	7
Calamoceratidae (Unident.) QT249999	2
Leptoceridae (Unident.) QT259999	6

SIGNALT	5.4
	ORDER
Weighted SIGNALT	6.3

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Physidae (Unident.) KG089999	2
Coleoptera QC	3	5
Elmidae (Unident.) QC349999	2

Ptilodactylidae (Unident.) QC399999	1

Diptera QD	42	3
Tipulidae (Unident.) QD019999	2
Dixidae (Unident.) QD069999	2

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	6

Tanypodinae (Unident.) QDAE9999	6
Orthocladiinae (Unident.) QDAF9999	13
Chironominae (Unident.) QDAJ9999	11
Ephemeroptera QE	112	9
Baetidae (Unident.) QE029999	6
Leptophlebiidae (Unident.) QE069999	40
Caenidae (Unident.) QE089999	66
Hemiptera QH	51	2
Veliidae (Unident.) QH569999	6
Gerridae (Unident.) QH579999	31
Corixidae (Unident.) QH659999	13
Notonectidae (Unident.) QH679999	1
Megaloptera QM	1	8
Corydalidae (Unident.) QM019999	1

Odonata QO	7	3
Synlestidae (Unident.) QO089999	1
Gomphidae (Unident.) QO139999	1
Libellulidae (Unident.) QO179999	5
Plecoptera QP	104	10
Gripopterygidae (Unident.) QP039999	104
Trichoptera QT	53	8
Hydroptilidae (Unident.) QT039999	1
Hydropsychidae (Unident.) QT069999	19
Ecnomidae (Unident.) QT089999	2
Tasimiidae (Unident.) QT139999	1
Atriplectididae (Unident.) QT239999	1
Leptoceridae (Unident.) QT259999	29

SIGNALT	5.4
	ORDER
Weighted SIGNALT	5.9