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

ROCKLAND CREEK AT HUMBOLDT ROAD 1305025

Source MIV
Latest Sample Date 23-06-1997
Taxa count ORDER 10
Taxa count FAMILY 18
Taxa count ALT 18
Mayflies present? 1
ORDER FAMILY ALT
SIGNAL 2.5 2.7 2.1
Weighted SIGNAL 3.4 3

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 95.61% 15,874,179,426m2
  Mining 5.8.0 Mining 3.81% 632,306,937m2
Show minor land uses 3
166,037,451m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Acarina MM 1 6
Mites (Unident.) MM999999
1
Mites (Unident.)
Unknown OG 1
Cladocera (Unident.) OG999999
1
Unknown OH 1
Ostracoda (Unident.) OH999999
1
Unknown OJ 10
Copepoda (Unident.) OJ999999
10
Unknown OT 10
Palaemonidae (Unident.) OT029999
10
Palaemonidae (Unident.)
Unknown OV 2
Parastacidae (Unident.) OV019999
2
Parastacidae (Unident.)
Parastacidae (Unident.)
Coleoptera QC 25 5
Dytiscidae (Unident.) QC099999
9
Hydrophilidae (Unident.) QC119999
6
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
10
Hydraenidae (Unident.)
Diptera QD 10 3
Culicidae (Unident.) QD079999
8
Culicidae (Unident.)
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Ephemeroptera QE 1 9
Baetidae (Unident.) QE029999
1
Hemiptera QH 18 2
Hydrometridae (Unident.) QH549999
3
Veliidae (Unident.) QH569999
10
Gerridae (Unident.) QH579999
1
Nepidae (Unident.) QH619999
1
Notonectidae (Unident.) QH679999
2
Pleidae (Unident.) QH689999
1
ORDER
SIGNALT 2.5
Weighted SIGNALT 2.5