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

Zeehan Rivulet at Zeehan HENT07

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 24-09-1997
Taxa count ORDER 9
Taxa count FAMILY 18
Taxa count ALT 19
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 4 4.1 2.3
Weighted SIGNAL 5.4 5 3.7

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.7 Other conserved area, 1.2.0 Managed resource protection, 1.2.2 Surface water supply 50.29% 608,498,783m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 26.49% 320,577,400m2
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.5.2 Public services, 5.5.3 Recreation and culture, 5.7.1 Airports/aerodromes, 5.7.2 Roads 22.02% 266,483,080m2
Show minor land uses 4
12,100,177m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 7 2
Turbellaria (Unident.) IF999999
7
Hirudinea LH 1 1
Hirudinea (Unident.) LH999999
1
Oligochaeta LO 16 2
Oligochaeta (Unident.) LO999999
16
Coleoptera QC 22 5
Dytiscidae Adults QC09999A
13
Dytiscidae Larvae QC09999L
1
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Staphylinidae (Unident.) QC189999
1
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Diptera QD 49 3
Dixidae (Unident.) QD069999
1
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
28
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
3
Orthocladiinae (Unident.) QDAF9999
4
Chironominae (Unident.) QDAJ9999
4
Chironomidae (Unident.)(Larva) QDAZ9999
9
Hemiptera QH 7 2
Veliidae (Unident.) QH569999
7
Odonata QO 1 3
Hemicorduliidae (Unident.) QO309999
1
Plecoptera QP 16 10
Notonemouridae (Unident.) QP049999
16
Trichoptera QT 33 8
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
32
ORDER
SIGNALT 4.0
Weighted SIGNALT 4.6
Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Turbellaria (Unident.) IF999999
2
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Coleoptera QC 38 5
Dytiscidae Adults QC09999A
22
Dytiscidae Larvae QC09999L
16
Diptera QD 90 3
Dixidae (Unident.) QD069999
1
Dixidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
4
Orthocladiinae (Unident.) QDAF9999
56
Chironominae (Unident.) QDAJ9999
26
Chironomidae (Unident.)(Larva) QDAZ9999
1
Hemiptera QH 2 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
1
Lepidoptera QL 1 2
Crambidae (Unident.) QL019999
1
Crambidae (Unident.)
Plecoptera QP 1 10
Notonemouridae (Unident.) QP049999
1
Trichoptera QT 6 8
Hydrobiosidae (Unident.) QT019999
3
Leptoceridae (Unident.) QT259999
3
ORDER
SIGNALT 4.4
Weighted SIGNALT 4.6