Explore

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

Nerang River at Glenhurst 146002B

Source	MIV
Latest Sample Date	11-11-1997
Taxa count ORDER	12
Taxa count FAMILY	29
Taxa count ALT	29
Mayflies present?	20
	ORDER	FAMILY	ALT
SIGNAL	4.2	3.9	3.2
Weighted SIGNAL	4.5		4.4

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Natural	1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.4 Natural feature protection, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.2 Surface water supply	53.86%	12,904,483,233m²
	Minimal Use	1.3.0 Other minimal use, 1.3.1 Defence land - natural areas, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation	28.46%	6,819,269,582m²
	Residential And Infrastructure	5.4.0 Residential and farm infrastructure, 5.4.1 Urban residential, 5.4.2 Rural residential with agriculture, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.6.7 Water extraction and transmission, 5.7.2 Roads	11.81%	2,828,465,510m²
	Water	6.2.0 Reservoir/dam, 6.3.0 River	4.83%	1,157,588,200m²
	Forestry	2.2.0 Production native forests, 3.1.0 Plantation forests	0.29%	70,005,334m²
	Pastoral Farming	3.2.0 Grazing modified pastures, 4.2.0 Grazing irrigated modified pastures	0.28%	66,505,067m²
	Arable Farming	3.3.0 Cropping, 3.4.0 Perennial horticulture, 4.4.0 Irrigated perennial horticulture, 4.4.4 Irrigated vine fruits, 4.5.0 Irrigated seasonal horticulture	0.21%	51,503,924m²
	Unknown	3.6.0 Land in transition, 5.8.4 Extractive industry not in use	0.06%	15,501,181m²
	Mining	5.8.0 Mining, 5.8.2 Quarries	0.06%	13,501,029m²
	Industrial	5.5.1 Commercial services	0.05%	12,750,972m²
	Intensive Arable Farming	5.1.0 Intensive horticulture	0.04%	8,500,648m²
	Forestry Plantation	3.1.1 Hardwood plantation forestry, 3.1.4 Environmental forest plantation	0.02%	4,500,343m²
	Waste Management	5.9.0 Waste treatment and disposal	0.01%	3,250,248m²
	Intensive Pastoral Farming	5.2.1 Dairy sheds and yards	0.01%	2,000,152m²
Show minor land uses 10
				239,578,254m²

Waterbug sample history

Sampled on 11 November 1997

Taxa	Abundance	SIGNALT Grade
Gastropoda KG	27	1
Hydrobiidae (Unident.) KG029999	20
Thiaridae (Unident.) KG049999	4
Planorbidae (Unident.) KG079999	2
Physidae (Unident.) KG089999	1
Bivalvia KP	12	3
Corbiculidae (Unident.) KP029999	12
Oligochaeta LO	6	2
Oligochaeta (Unident.) LO999999	6
Acarina MM	4	6
Mites (Unident.) MM999999	4

Unknown OT	18
Atyidae (Unident.) OT019999	18

Coleoptera QC	28	5
Hydrophilidae (Unident.) QC119999	9

Elmidae (Unident.) QC349999	15

Psephenidae (Unident.) QC379999	4

Diptera QD	23	3
Dolichopodidae (Unident.) QD369999	1
Tanypodinae (Unident.) QDAE9999	3
Orthocladiinae (Unident.) QDAF9999	6
Chironominae (Unident.) QDAJ9999	13
Ephemeroptera QE	20	9
Baetidae (Unident.) QE029999	11
Caenidae (Unident.) QE089999	9
Hemiptera QH	20	2
Veliidae (Unident.) QH569999	1
Gerridae (Unident.) QH579999	17
Corixidae (Unident.) QH659999	1
Naucoridae (Unident.) QH669999	1
Megaloptera QM	4	8
Corydalidae (Unident.) QM019999	4

Odonata QO	14	3
Coenagrionidae (Unident.) QO029999	7
Protoneuridae (Unident.) QO049999	2
Gomphidae (Unident.) QO139999	3
Libellulidae (Unident.) QO179999	2
Trichoptera QT	35	8
Hydropsychidae (Unident.) QT069999	10
Calamoceratidae (Unident.) QT249999	6
Leptoceridae (Unident.) QT259999	19

SIGNALT	4.2
	ORDER
Weighted SIGNALT	4.0

Sampled on 19 May 1997

Taxa	Abundance	SIGNALT Grade
Turbellaria IF	11	2
Dugesiidae (Unident.) IF619999	11
Gastropoda KG	31	1
Hydrobiidae (Unident.) KG029999	20
Thiaridae (Unident.) KG049999	8
Planorbidae (Unident.) KG079999	1
Physidae (Unident.) KG089999	2
Bivalvia KP	10	3
Corbiculidae (Unident.) KP029999	10
Hirudinea LH	1	1
Hirudinea (Unident.) LH999999	1
Oligochaeta LO	1	2
Oligochaeta (Unident.) LO999999	1
Acarina MM	8	6
Mites (Unident.) MM999999	8

Unknown OT	19
Atyidae (Unident.) OT019999	18

Palaemonidae (Unident.) OT029999	1

Coleoptera QC	44	5
Hydrophilidae (Unident.) QC119999	18

Elmidae (Unident.) QC349999	18

Psephenidae (Unident.) QC379999	8

Diptera QD	35	3
Ceratopogonidae (Unident.) QD099999	2

Tanypodinae (Unident.) QDAE9999	6
Orthocladiinae (Unident.) QDAF9999	14
Chironominae (Unident.) QDAJ9999	13
Ephemeroptera QE	17	9
Baetidae (Unident.) QE029999	12
Caenidae (Unident.) QE089999	5
Hemiptera QH	6	2
Veliidae (Unident.) QH569999	2
Gerridae (Unident.) QH579999	3
Corixidae (Unident.) QH659999	1
Lepidoptera QL	2	2
Crambidae (Unident.) QL019999	2

Megaloptera QM	9	8
Corydalidae (Unident.) QM019999	9

Odonata QO	16	3
Coenagrionidae (Unident.) QO029999	2
Gomphidae (Unident.) QO139999	3
Libellulidae (Unident.) QO179999	11
Trichoptera QT	38	8
Hydroptilidae (Unident.) QT039999	5
Hydropsychidae (Unident.) QT069999	10
Atriplectididae (Unident.) QT239999	1
Calamoceratidae (Unident.) QT249999	4
Leptoceridae (Unident.) QT259999	18

SIGNALT	3.7
	ORDER
Weighted SIGNALT	4.0