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

Unnamed Ck @ Fern Tree Lane 51236

Source Office of Environment and Heritage
Latest Sample Date 21-10-2010
Taxa count ORDER 12
Taxa count FAMILY 17
Taxa count ALT 17
Mayflies present? 0
ORDER FAMILY ALT
SIGNAL 2.1 2.3 1.8
Weighted SIGNAL 3.1 2.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Forestry 2.2.0 Production native forests 75.46% 1,651,343,497m2
  Natural 1.1.3 National park 14.28% 312,578,410m2
  Minimal Use 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 3.97% 86,952,268m2
Show minor land uses 5
21,882,987m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 13 2
Dugesiidae (Unident.) IF619999
13
Unknown IH 1
Nemertea (Unident.) IH999999
1
Gastropoda KG 1 1
Lymnaeidae (Unident.) KG059999
1
Bivalvia KP 2 3
Sphaeriidae (Unident.) KP039999
2
Hirudinea LH 3 1
Glossiphoniidae (Unident.) LH019999
3
Oligochaeta LO 5 2
Oligochaeta (Unident.) LO999999
5
Acarina MM 4 6
Mites (Unident.) MM999999
4
Mites (Unident.)
Unknown OG 1
Cladocera (Unident.) OG999999
1
Unknown OH 7
Ostracoda (Unident.) OH999999
7
Coleoptera QC 8 5
Dytiscidae (Unident.) QC099999
4
Hydraenidae (Unident.) QC139999
4
Hydraenidae (Unident.)
Diptera QD 39 3
Ephydridae (Unident.) QD789999
2
Ephydridae (Unident.)
Chironominae (Unident.) QDAJ9999
37
Hemiptera QH 13 2
Veliidae (Unident.) QH569999
4
Gerridae (Unident.) QH579999
1
Corixidae (Unident.) QH659999
2
Pleidae (Unident.) QH689999
6
ORDER
SIGNALT 2.1
Weighted SIGNALT 2.3