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	07-05-2008
Taxa count ORDER	11
Taxa count FAMILY	28
Taxa count ALT	28
Mayflies present?	9
	ORDER	FAMILY	ALT
SIGNAL	4.7	5.1	4.2
Weighted SIGNAL	5.2		5.3

Category	ALUM Categories	Percent of upstream catchment	Area
Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	70.52%	1,348,778,255m²
Pastoral Farming	3.2.0 Grazing modified pastures	19.55%	373,896,438m²
Water	6.3.0 River, 6.5.0 Marsh/wetland	9.93%	189,824,346m²
			19,124,990m²

Taxa	Abundance	SIGNALT Grade
Bivalvia KP	3	3
Corbiculidae (Unident.) KP029999	3
Acarina MM	7	6
Mites (Unident.) MM999999	7

Amphipoda OP	3	3
Ceinidae (Unident.) OP029999	3

Unknown OT	6
Atyidae (Unident.) OT019999	6

Coleoptera QC	18	5
Dytiscidae (Unident.) QC099999	2
Gyrinidae (Unident.) QC109999	15

Scirtidae (Unident.) QC209999	1

Diptera QD	35	3
Dixidae (Unident.) QD069999	6

Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	26
Ephemeroptera QE	9	9
Baetidae (Unident.) QE029999	3
Ameletopsidae (Unident.) QE049999	1
Leptophlebiidae (Unident.) QE069999	4
Caenidae (Unident.) QE089999	1
Hemiptera QH	20	2
Veliidae (Unident.) QH569999	3
Gerridae (Unident.) QH579999	2
Corixidae (Unident.) QH659999	9
Notonectidae (Unident.) QH679999	5
Pleidae (Unident.) QH689999	1
Odonata QO	14	3
Synlestidae (Unident.) QO089999	13
Aeshnidae (Unident.) QO129999	1
Plecoptera QP	2	10
Gripopterygidae (Unident.) QP039999	1
Notonemouridae (Unident.) QP049999	1
Trichoptera QT	12	8
Calocidae (Unident.) QT189999	1
Odontoceridae (Unident.) QT229999	2
Atriplectididae (Unident.) QT239999	1
Leptoceridae (Unident.) QT259999	8

SIGNALT	4.7
	ORDER
Weighted SIGNALT	4.4