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

South Alligator R South-west Yellow Waters MR-SA-05

Source Department of Environment and Natural Resources
Latest Sample Date 05-10-1995
Taxa count ORDER 10
Taxa count FAMILY 19
Taxa count ALT 21
Mayflies present? 50
ORDER FAMILY ALT
SIGNAL 4.1 3.9 2.4
Weighted SIGNAL 4.1 4 3.5

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Natural 1.1.3 National park 95.59% 418,328,323,670m2
  Water 6.5.1 Marsh/wetland - conservation, 6.5.4 Marsh/wetland - saline 3.71% 16,214,014,499m2
Show minor land uses 2
4,376,131,515m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Nematoda II 12 3
Nematoda (Unident.) II999999
12
Oligochaeta LO 67 2
Oligochaeta (Unident.) LO999999
67
Acarina MM 24 6
Mites (Unident.) MM999999
24
Mites (Unident.)
Mites (Unident.)
Unknown OT 133
Atyidae (Unident.) OT019999
118
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
15
Palaemonidae (Unident.)
Palaemonidae (Unident.)
Coleoptera QC 38 5
Dytiscidae (Unident.) QC099999
4
Hydrophilidae (Unident.) QC119999
33
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)(Larva) QC11999I
1
Hydrophilidae (Unident.)(Larva)
Diptera QD 315 3
Ceratopogonidae (Unident.) QD099999
172
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
55
Unknown QDAZ9998
86
Chironomidae (Unident.)(Larva) QDAZ9999
2
Ephemeroptera QE 50 9
Baetidae (Unident.) QE029999
23
Caenidae (Unident.) QE089999
27
Hemiptera QH 35 2
Mesoveliidae (Unident.) QH529999
1
Corixidae (Unident.) QH659999
27
Notonectidae (Unident.) QH679999
4
Pleidae (Unident.) QH689999
3
Odonata QO 1 3
Gomphidae (Unident.) QO139999
1
Trichoptera QT 3 8
Ecnomidae (Unident.) QT089999
1
Leptoceridae (Unident.) QT259999
2
ORDER
SIGNALT 4.1
Weighted SIGNALT 4.0
Taxa Abundance SIGNALT Grade
Nematoda II 1 3
Nematoda (Unident.) II999999
1
Bivalvia KP 3 3
Hyriidae (Unident.) KP019999
3
Oligochaeta LO 4 2
Oligochaeta (Unident.) LO999999
4
Acarina MM 7 6
Mites (Unident.) MM999999
7
Mites (Unident.)
Unknown OT 15
Atyidae (Unident.) OT019999
12
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
3
Palaemonidae (Unident.)
Coleoptera QC 33 5
Dytiscidae (Unident.) QC099999
7
Hydrophilidae (Unident.) QC119999
24
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
2
Hydraenidae (Unident.)
Diptera QD 86 3
Culicidae (Unident.) QD079999
2
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
38
Ceratopogonidae (Unident.)
Stratiomyidae (Unident.) QD249999
1
Tanypodinae (Unident.) QDAE9999
6
Orthocladiinae (Unident.) QDAF9999
4
Unknown QDAZ9998
32
Chironomidae (Unident.)(Larva) QDAZ9999
3
Ephemeroptera QE 3 9
Caenidae (Unident.) QE089999
3
Hemiptera QH 11 2
Pleidae (Unident.) QH689999
11
Neuroptera QN 2 6
Sisyridae (Unident.) QN059999
2
Sisyridae (Unident.)
Sisyridae (Unident.)
Odonata QO 1 3
Corduliidae (Unident.) QO169999
1
Trichoptera QT 28 8
Hydroptilidae (Unident.) QT039999
2
Leptoceridae (Unident.) QT259999
26
ORDER
SIGNALT 4.2
Weighted SIGNALT 4.2
Taxa Abundance SIGNALT Grade
Nematoda II 31 3
Nematoda (Unident.) II999999
31
Oligochaeta LO 15 2
Oligochaeta (Unident.) LO999999
15
Acarina MM 3 6
Mites (Unident.) MM999999
3
Mites (Unident.)
Unknown OT 36
Atyidae (Unident.) OT019999
32
Atyidae (Unident.)
Atyidae (Unident.)
Palaemonidae (Unident.) OT029999
4
Palaemonidae (Unident.)
Coleoptera QC 5 5
Hydrophilidae (Unident.) QC119999
3
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
1
Hydraenidae (Unident.)
Elmidae (Unident.) QC349999
1
Elmidae (Unident.)
Diptera QD 172 3
Ceratopogonidae (Unident.) QD099999
90
Ceratopogonidae (Unident.)
Tanypodinae (Unident.) QDAE9999
20
Unknown QDAZ9998
61
Chironomidae (Unident.)(Larva) QDAZ9999
1
Ephemeroptera QE 26 9
Leptophlebiidae (Unident.) QE069999
1
Caenidae (Unident.) QE089999
25
Hemiptera QH 5 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
3
Notonectidae (Unident.) QH679999
1
Neuroptera QN 2 6
Sisyridae (Unident.) QN059999
2
Sisyridae (Unident.)
Sisyridae (Unident.)
Odonata QO 1 3
Gomphidae (Unident.) QO139999
1
Trichoptera QT 6 8
Hydroptilidae (Unident.) QT039999
1
Leptoceridae (Unident.) QT259999
5
ORDER
SIGNALT 4.3
Weighted SIGNALT 4.1