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

Maryland R @ Calm Lands 43043

Source Office of Environment and Heritage
Latest Sample Date 05-05-2008
Taxa count ORDER 11
Taxa count FAMILY 30
Taxa count ALT 30
Mayflies present? 36
ORDER FAMILY ALT
SIGNAL 4.8 4.9 3.8
Weighted SIGNAL 5.5 4.6

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 61.22% 12,716,448,694m2
  Pastoral Farming 3.2.0 Grazing modified pastures 32.80% 6,811,936,837m2
Show minor land uses 7
207,700,329m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Turbellaria IF 2 2
Dugesiidae (Unident.) IF619999
2
Gastropoda KG 2 1
Physidae (Unident.) KG089999
2
Oligochaeta LO 12 2
Oligochaeta (Unident.) LO999999
12
Coleoptera QC 68 5
Dytiscidae (Unident.) QC099999
5
Gyrinidae (Unident.) QC109999
33
Gyrinidae (Unident.)
Hydrophilidae (Unident.) QC119999
21
Hydrophilidae (Unident.)
Hydrophilidae (Unident.)
Hydraenidae (Unident.) QC139999
6
Hydraenidae (Unident.)
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 21 3
Simuliidae (Unident.) QD109999
2
Simuliidae (Unident.)
Tanypodinae (Unident.) QDAE9999
3
Orthocladiinae (Unident.) QDAF9999
1
Chironominae (Unident.) QDAJ9999
15
Ephemeroptera QE 36 9
Baetidae (Unident.) QE029999
1
Leptophlebiidae (Unident.) QE069999
20
Caenidae (Unident.) QE089999
15
Hemiptera QH 4 2
Veliidae (Unident.) QH569999
2
Notonectidae (Unident.) QH679999
2
Megaloptera QM 1 8
Sialidae (Unident.) QM029999
1
Odonata QO 65 3
Coenagrionidae (Unident.) QO029999
2
Megapodagrionidae (Unident.) QO079999
10
Aeshnidae (Unident.) QO129999
1
Gomphidae (Unident.) QO139999
9
Corduliidae (Unident.) QO169999
22
Libellulidae (Unident.) QO179999
21
Plecoptera QP 1 10
Gripopterygidae (Unident.) QP039999
1
Trichoptera QT 24 8
Hydrobiosidae (Unident.) QT019999
13
Ecnomidae (Unident.) QT089999
2
Calamoceratidae (Unident.) QT249999
2
Leptoceridae (Unident.) QT259999
7
ORDER
SIGNALT 4.8
Weighted SIGNALT 4.9