Explore

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

Chowan Ck @ #105 42002

Source	Office of Environment and Heritage
Latest Sample Date	19-05-2008
Taxa count ORDER	15
Taxa count FAMILY	43
Taxa count ALT	43
Mayflies present?	32
	ORDER	FAMILY	ALT
SIGNAL	4.3	4.6	3.8
Weighted SIGNAL	5.2		4.8

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	44.85%	584,196,081m²
	Natural	1.1.3 National park	37.79%	492,243,917m²
	Pastoral Farming	3.2.0 Grazing modified pastures	10.65%	138,677,855m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure	6.29%	81,957,363m²
	Unknown	3.6.5 Abandoned perennial horticulture	0.31%	3,997,920m²
	Arable Farming	3.4.0 Perennial horticulture	0.12%	1,499,220m²
Show minor land uses 2
				13,025,724m²

Waterbug sample history

Sampled on 19 May 2008

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	1	2
Dugesiidae (Unident.) IF619999	1
Gastropoda KG	2	1
Ancylidae (Unident.) KG069999	2
Oligochaeta LO	2	2
Oligochaeta (Unident.) LO999999	2
Acarina MM	5	6
Mites (Unident.) MM999999	5

Amphipoda OP	21	3
Talitridae sp.(Unident.) OP019999	21

Unknown OT	16
Atyidae (Unident.) OT019999	16

Coleoptera QC	33	5
Dytiscidae (Unident.) QC099999	1
Gyrinidae (Unident.) QC109999	9

Hydrophilidae (Unident.) QC119999	9

Hydraenidae (Unident.) QC139999	1

Scirtidae (Unident.) QC209999	1

Elmidae (Unident.) QC349999	3

Psephenidae (Unident.) QC379999	8

Chrysomelidae (Unident.) QCAH9999	1
Diptera QD	33	3
Tabanidae (Unident.) QD239999	2
Tanypodinae (Unident.) QDAE9999	2
Orthocladiinae (Unident.) QDAF9999	6
Chironominae (Unident.) QDAJ9999	23
Ephemeroptera QE	32	9
Baetidae (Unident.) QE029999	6
Leptophlebiidae (Unident.) QE069999	26
Hemiptera QH	16	2
Hydrometridae (Unident.) QH549999	3
Veliidae (Unident.) QH569999	5
Gerridae (Unident.) QH579999	3
Corixidae (Unident.) QH659999	3
Notonectidae (Unident.) QH679999	2
Lepidoptera QL	1	2
Crambidae (Unident.) QL019999	1

Megaloptera QM	6	8
Corydalidae (Unident.) QM019999	5

Sialidae (Unident.) QM029999	1
Odonata QO	25	3
Coenagrionidae (Unident.) QO029999	3
Isostictidae (Unident.) QO039999	4
Megapodagrionidae (Unident.) QO079999	1
Synlestidae (Unident.) QO089999	4
Gomphidae (Unident.) QO139999	11
Corduliidae (Unident.) QO169999	1
Libellulidae (Unident.) QO179999	1
Plecoptera QP	20	10
Gripopterygidae (Unident.) QP039999	20
Trichoptera QT	88	8
Hydrobiosidae (Unident.) QT019999	13
Hydroptilidae (Unident.) QT039999	4
Philopotamidae (Unident.) QT049999	26
Hydropsychidae (Unident.) QT069999	24
Ecnomidae (Unident.) QT089999	3
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	17

SIGNALT	4.3
	ORDER
Weighted SIGNALT	4.8