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

NERANG RIVER AT BOCHOW PARK 1460034

Source MIV
Latest Sample Date 26-05-2005
Taxa count ORDER 15
Taxa count FAMILY 37
Taxa count ALT 37
Mayflies present? 16
ORDER FAMILY ALT
SIGNAL 4.1 4.3 3.8
Weighted SIGNAL 4.8 5.1

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 1.3.4 Rehabilitation, 2.1.0 Grazing native vegetation 55.16% 2,321,349,666m2
  Natural 1.1.1 Strict nature reserves, 1.1.3 National park, 1.1.7 Other conserved area 39.03% 1,642,601,229m2
  Residential And Infrastructure 5.4.0 Residential and farm infrastructure, 5.4.3 Rural residential without agriculture, 5.5.3 Recreation and culture, 5.7.2 Roads 5.35% 225,332,477m2
Show minor land uses 6
42,085,404m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Gastropoda KG 10 1
Hydrobiidae (Unident.) KG029999
10
Oligochaeta LO 1 2
Oligochaeta (Unident.) LO999999
1
Acarina MM 10 6
Mites (Unident.) MM999999
10
Mites (Unident.)
Unknown OH 2
Ostracoda (Unident.) OH999999
2
Isopoda OR 2 2
Cirolanidae (Unident.) OR129999
2
Unknown OT 40
Atyidae (Unident.) OT019999
36
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
4
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Coleoptera QC 20 5
Dytiscidae (Unident.) QC099999
2
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
7
Elmidae (Unident.)
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
10
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 24 3
Tipulidae (Unident.) QD019999
2
Dixidae (Unident.) QD069999
2
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
2
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
6
Orthocladiinae (Unident.) QDAF9999
5
Chironominae (Unident.) QDAJ9999
5
Ephemeroptera QE 16 9
Baetidae (Unident.) QE029999
3
Leptophlebiidae (Unident.) QE069999
11
Caenidae (Unident.) QE089999
2
Hemiptera QH 11 2
Veliidae (Unident.) QH569999
1
Gerridae (Unident.) QH579999
2
Corixidae (Unident.) QH659999
6
Notonectidae (Unident.) QH679999
2
Megaloptera QM 10 8
Corydalidae (Unident.) QM019999
10
Corydalidae (Unident.)
Odonata QO 19 3
Coenagrionidae (Unident.) QO029999
1
Diphlebiidae (Unident.) QO099999
7
Gomphidae (Unident.) QO139999
7
Libellulidae (Unident.) QO179999
4
Plecoptera QP 1 10
Gripopterygidae (Unident.) QP039999
1
Trichoptera QT 38 8
Hydroptilidae (Unident.) QT039999
1
Philopotamidae (Unident.) QT049999
10
Hydropsychidae (Unident.) QT069999
10
Calamoceratidae (Unident.) QT249999
5
Leptoceridae (Unident.) QT259999
12
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.3