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	30-05-2005
Taxa count ORDER	11
Taxa count FAMILY	23
Taxa count ALT	23
Mayflies present?	61
	ORDER	FAMILY	ALT
SIGNAL	3.1	4.1	2.3
Weighted SIGNAL	4.7		3.5

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	79.68%	6,373,763,008m²
	Pastoral Farming	3.2.0 Grazing modified pastures	16.96%	1,356,252,768m²
	Arable Farming	3.3.0 Cropping	2.52%	201,500,411m²
	Forestry	2.2.0 Production native forests	0.60%	48,250,098m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	0.14%	11,000,022m²
	Natural	1.1.1 Strict nature reserves	0.09%	7,250,015m²
	Intensive Pastoral Farming	5.2.7 Saleyards/stockyards	0.01%	500,001m²
	Water	6.2.0 Reservoir/dam	0.00%	250,001m²
Show minor land uses 6
				79,987,663m²

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	14	1
Physidae (Unident.) KG089999	14
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	4
Unknown OG	2
Cladocera (Unident.) OG999999	2
Unknown OJ	3
Copepoda (Unident.) OJ999999	3
Unknown OT	4
Atyidae (Unident.) OT019999	4

Coleoptera QC	24	5
Dytiscidae (Unident.) QC099999	15
Gyrinidae (Unident.) QC109999	3

Hydrophilidae (Unident.) QC119999	6

Diptera QD	47	3
Stratiomyidae (Unident.) QD249999	1
Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	10
Chironominae (Unident.) QDAJ9999	34
Ephemeroptera QE	61	9
Baetidae (Unident.) QE029999	26
Leptophlebiidae (Unident.) QE069999	19
Caenidae (Unident.) QE089999	16
Hemiptera QH	32	2
Veliidae (Unident.) QH569999	11
Corixidae (Unident.) QH659999	8
Notonectidae (Unident.) QH679999	13
Odonata QO	26	3
Coenagrionidae (Unident.) QO029999	11
Libellulidae (Unident.) QO179999	15
Trichoptera QT	8	8
Hydroptilidae (Unident.) QT039999	3
Ecnomidae (Unident.) QT089999	3
Leptoceridae (Unident.) QT259999	2

SIGNALT	3.1
	ORDER
Weighted SIGNALT	3.7