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

BROKEN RIVER AT WALSHS YARDS 1202014

Source MIV
Latest Sample Date 20-10-1999
Taxa count ORDER 14
Taxa count FAMILY 32
Taxa count ALT 32
Mayflies present? 37
ORDER FAMILY ALT
SIGNAL 3.6 4.5 3.7
Weighted SIGNAL 5.1 4.6

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, 2.1.0 Grazing native vegetation 58.98% 73,852,099,780m2
  Natural 1.1.3 National park, 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.2 Surface water supply 34.17% 42,792,859,216m2
  Forestry 2.2.0 Production native forests 3.54% 4,434,855,866m2
Show minor land uses 5
1,252,176,804m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 7 2
Dugesiidae (Unident.) IF619999
7
Gastropoda KG 8 1
Thiaridae (Unident.) KG049999
8
Oligochaeta LO 8 2
Oligochaeta (Unident.) LO999999
8
Acarina MM 20 6
Mites (Unident.) MM999999
20
Mites (Unident.)
Mites (Unident.)
Unknown OH 11
Ostracoda (Unident.) OH999999
11
Unknown OT 18
Atyidae (Unident.) OT019999
18
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 47 5
Elmidae (Unident.) QC349999
19
Elmidae (Unident.)
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
28
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 42 3
Tipulidae (Unident.) QD019999
1
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
10
Simuliidae (Unident.)
Tabanidae (Unident.) QD239999
3
Syrphidae (Unident.) QD439999
3
Tanypodinae (Unident.) QDAE9999
8
Orthocladiinae (Unident.) QDAF9999
10
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 37 9
Baetidae (Unident.) QE029999
12
Leptophlebiidae (Unident.) QE069999
10
Caenidae (Unident.) QE089999
15
Hemiptera QH 21 2
Gerridae (Unident.) QH579999
10
Corixidae (Unident.) QH659999
11
Lepidoptera QL 2 2
Crambidae (Unident.) QL019999
2
Crambidae (Unident.)
Megaloptera QM 1 8
Corydalidae (Unident.) QM019999
1
Corydalidae (Unident.)
Odonata QO 38 3
Coenagrionidae (Unident.) QO029999
6
Gomphidae (Unident.) QO139999
18
Corduliidae (Unident.) QO169999
14
Trichoptera QT 52 8
Hydroptilidae (Unident.) QT039999
1
Philopotamidae (Unident.) QT049999
10
Hydropsychidae (Unident.) QT069999
10
Helicopsychidae (Unident.) QT179999
7
Calamoceratidae (Unident.) QT249999
4
Leptoceridae (Unident.) QT259999
20
ORDER
SIGNALT 3.6
Weighted SIGNALT 3.8
Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Dugesiidae (Unident.) IF619999
1
Gastropoda KG 1 1
Thiaridae (Unident.) KG049999
1
Acarina MM 13 6
Mites (Unident.) MM999999
13
Mites (Unident.)
Mites (Unident.)
Unknown OT 10
Atyidae (Unident.) OT019999
10
Atyidae (Unident.)
Atyidae (Unident.)
Coleoptera QC 24 5
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
13
Elmidae (Unident.)
Elmidae (Unident.)
Psephenidae (Unident.) QC379999
10
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 48 3
Tipulidae (Unident.) QD019999
2
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
14
Simuliidae (Unident.)
Simuliidae (Unident.)
Tabanidae (Unident.) QD239999
2
Tanypodinae (Unident.) QDAE9999
6
Orthocladiinae (Unident.) QDAF9999
10
Chironominae (Unident.) QDAJ9999
12
Ephemeroptera QE 30 9
Baetidae (Unident.) QE029999
20
Leptophlebiidae (Unident.) QE069999
8
Caenidae (Unident.) QE089999
2
Hemiptera QH 3 2
Veliidae (Unident.) QH569999
2
Corixidae (Unident.) QH659999
1
Lepidoptera QL 7 2
Crambidae (Unident.) QL019999
7
Crambidae (Unident.)
Crambidae (Unident.)
Odonata QO 22 3
Gomphidae (Unident.) QO139999
2
Libellulidae (Unident.) QO179999
20
Trichoptera QT 57 8
Hydrobiosidae (Unident.) QT019999
5
Hydroptilidae (Unident.) QT039999
4
Philopotamidae (Unident.) QT049999
14
Hydropsychidae (Unident.) QT069999
20
Calamoceratidae (Unident.) QT249999
3
Leptoceridae (Unident.) QT259999
11
ORDER
SIGNALT 3.7
Weighted SIGNALT 4.5