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

SAXBY RIVER AT BIG CROCODILE WATERHOLE 9150001

Source	MIV
Latest Sample Date	05-11-2001
Taxa count ORDER	12
Taxa count FAMILY	18
Taxa count ALT	18
Mayflies present?	12
	ORDER	FAMILY	ALT
SIGNAL	3.1	3.4	2.1
Weighted SIGNAL	4.7		3.2

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	2.1.0 Grazing native vegetation	96.42%	710,030,822,273m²
	Water	6.1.0 Lake, 6.2.0 Reservoir/dam, 6.5.0 Marsh/wetland	3.54%	26,084,860,847m²
	Residential And Infrastructure	5.4.5 Farm buildings/infrastructure, 5.7.1 Airports/aerodromes, 5.7.5 Navigation and communication	0.03%	211,252,922m²
	Pastoral Farming	4.2.0 Grazing irrigated modified pastures	0.00%	30,750,425m²
	Arable Farming	4.3.0 Irrigated cropping, 4.4.0 Irrigated perennial horticulture	0.00%	15,250,211m²
	Mining	5.8.2 Quarries	0.00%	9,250,128m²
	Intensive Pastoral Farming	5.2.2 Feedlots	0.00%	2,250,031m²
Show minor land uses 5
				7,363,844,368m²

Waterbug sample history

Sampled on 5 November 2001

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	2	1
Viviparidae (Unident.) KG019999	2
Acarina MM	1	6
Mites (Unident.) MM999999	1

Unknown OG	2
Cladocera (Unident.) OG999999	2
Unknown OH	8
Ostracoda (Unident.) OH999999	8
Unknown OJ	2
Copepoda (Unident.) OJ999999	2
Unknown OT	2
Palaemonidae (Unident.) OT029999	2

Coleoptera QC	31	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	30

Diptera QD	15	3
Culicidae (Unident.) QD079999	12

Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	2
Ephemeroptera QE	12	9
Baetidae (Unident.) QE029999	3
Caenidae (Unident.) QE089999	9
Hemiptera QH	15	2
Veliidae (Unident.) QH569999	2
Gerridae (Unident.) QH579999	1
Corixidae (Unident.) QH659999	12
Odonata QO	1	3
Coenagrionidae (Unident.) QO029999	1
Trichoptera QT	10	8
Leptoceridae (Unident.) QT259999	10

SIGNALT	3.1
	ORDER
Weighted SIGNALT	4.0

Sampled on 4 June 2001

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	3	1
Viviparidae (Unident.) KG019999	3
Bivalvia KP	4	3
Corbiculidae (Unident.) KP029999	4
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	8	6
Mites (Unident.) MM999999	8

Unknown OG	2
Cladocera (Unident.) OG999999	2
Unknown OH	3
Ostracoda (Unident.) OH999999	3
Unknown OJ	20
Copepoda (Unident.) OJ999999	20
Unknown OT	27
Atyidae (Unident.) OT019999	16

Palaemonidae (Unident.) OT029999	11

Coleoptera QC	46	5
Noteridae (Unident.) QC089999	2

Dytiscidae (Unident.) QC099999	4
Hydrophilidae (Unident.) QC119999	30

Hydraenidae (Unident.) QC139999	10

Diptera QD	23	3
Ceratopogonidae (Unident.) QD099999	2

Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	20
Ephemeroptera QE	20	9
Baetidae (Unident.) QE029999	1
Caenidae (Unident.) QE089999	19
Hemiptera QH	27	2
Veliidae (Unident.) QH569999	6
Nepidae (Unident.) QH619999	1
Corixidae (Unident.) QH659999	10
Pleidae (Unident.) QH689999	10
Odonata QO	5	3
Coenagrionidae (Unident.) QO029999	2
Gomphidae (Unident.) QO139999	2
Libellulidae (Unident.) QO179999	1
Trichoptera QT	18	8
Hydroptilidae (Unident.) QT039999	7
Ecnomidae (Unident.) QT089999	1
Leptoceridae (Unident.) QT259999	10

SIGNALT	3.0
	ORDER
Weighted SIGNALT	3.4

Sampled on 21 October 1999

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	3	2
Temnocephalidea (Unident.) IF499999	3
Unknown OG	3
Cladocera (Unident.) OG999999	3
Unknown OH	4
Ostracoda (Unident.) OH999999	4
Unknown OJ	9
Copepoda (Unident.) OJ999999	9
Unknown OT	4
Palaemonidae (Unident.) OT029999	4

Coleoptera QC	13	5
Dytiscidae (Unident.) QC099999	1
Hydrophilidae (Unident.) QC119999	12

Diptera QD	3	3
Tanypodinae (Unident.) QDAE9999	1
Chironominae (Unident.) QDAJ9999	2
Hemiptera QH	6	2
Veliidae (Unident.) QH569999	3
Corixidae (Unident.) QH659999	3

SIGNALT	1.5
	ORDER
Weighted SIGNALT	1.8

Sampled on 30 May 1999

Taxa	Abundance	SIGNALT Grade
Nematoda II	2	3
Nematoda (Unident.) II999999	2
Gastropoda KG	7	1
Viviparidae (Unident.) KG019999	2
Ancylidae (Unident.) KG069999	5
Bivalvia KP	1	3
Hyriidae (Unident.) KP019999	1
Oligochaeta LO	10	2
Oligochaeta (Unident.) LO999999	10
Acarina MM	14	6
Mites (Unident.) MM999999	14

Unknown OG	18
Cladocera (Unident.) OG999999	18
Unknown OH	17
Ostracoda (Unident.) OH999999	17
Unknown OJ	20
Copepoda (Unident.) OJ999999	20
Unknown OT	30
Atyidae (Unident.) OT019999	20

Palaemonidae (Unident.) OT029999	10

Unknown OV	2
Parastacidae (Unident.) OV019999	2

Coleoptera QC	51	5
Dytiscidae (Unident.) QC099999	10
Hydrophilidae (Unident.) QC119999	33

Hydraenidae (Unident.) QC139999	8

Diptera QD	78	3
Culicidae (Unident.) QD079999	22

Ceratopogonidae (Unident.) QD099999	20

Tabanidae (Unident.) QD239999	1
Tanypodinae (Unident.) QDAE9999	19
Chironominae (Unident.) QDAJ9999	16
Ephemeroptera QE	32	9
Baetidae (Unident.) QE029999	12
Caenidae (Unident.) QE089999	20
Hemiptera QH	24	2
Hydrometridae (Unident.) QH549999	1
Veliidae (Unident.) QH569999	3
Gerridae (Unident.) QH579999	2
Nepidae (Unident.) QH619999	1
Corixidae (Unident.) QH659999	12
Pleidae (Unident.) QH689999	5
Odonata QO	16	3
Coenagrionidae (Unident.) QO029999	12
Corduliidae (Unident.) QO169999	1
Libellulidae (Unident.) QO179999	3
Trichoptera QT	10	8
Leptoceridae (Unident.) QT259999	10

SIGNALT	2.8
	ORDER
Weighted SIGNALT	3.0

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