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

North West bay River at Margate weir HOBA05

Source Department of Primary Industries, Parks, Water and Environment
Latest Sample Date 05-10-2007
Taxa count ORDER 11
Taxa count FAMILY 25
Taxa count ALT 26
Mayflies present? 42
ORDER FAMILY ALT
SIGNAL 4.7 5.4 5.3
Weighted SIGNAL 6.8 5 5.6

Waterbug Land Use

Category ALUM Categories Percent of upstream catchment Area
  Residential And Infrastructure 5.4.1 Urban residential, 5.4.3 Rural residential without agriculture, 5.5.3 Recreation and culture, 5.7.0 Transport and communication, 5.7.1 Airports/aerodromes, 5.7.2 Roads, 5.7.3 Railways 34.65% 3,175,206,904m2
  Natural 1.1.3 National park, 1.1.5 Habitat/species management area, 1.1.6 Protected landscape, 1.1.7 Other conserved area 29.11% 2,667,803,989m2
  Minimal Use 1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation 21.36% 1,957,840,029m2
  Pastoral Farming 3.2.0 Grazing modified pastures 6.76% 619,686,753m2
  Forestry 2.2.0 Production native forests, 3.1.0 Plantation forests 6.68% 612,184,492m2
Show minor land uses 8
91,642,618m2

Waterbug sample history

Taxa Abundance SIGNALT Grade
Gastropoda KG 23 1
Hydrobiidae (Unident.) KG029999
22
Ancylidae (Unident.) KG069999
1
Oligochaeta LO 9 2
Oligochaeta (Unident.) LO999999
9
Acarina MM 9 6
Mites (Unident.) MM999999
9
Mites (Unident.)
Amphipoda OP 12 3
Paracalliopidae (Unident.) OP049999
12
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Isopoda OR 1 2
Janiridae (Unident.) OR189999
1
Janiridae (Unident.)
Coleoptera QC 5 5
Elmidae Adults QC34999A
4
Elmidae Adults
Elmidae Larvae QC34999L
1
Elmidae Larvae
Diptera QD 100 3
Ceratopogonidae (Unident.) QD099999
2
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
64
Simuliidae (Unident.)
Athericidae (Unident.) QD229999
2
Athericidae (Unident.)
Athericidae (Unident.)
Podonominae (Unident.) QDAD9999
12
Orthocladiinae (Unident.) QDAF9999
19
Chironominae (Unident.) QDAJ9999
1
Ephemeroptera QE 42 9
Baetidae (Unident.) QE029999
39
Caenidae (Unident.) QE089999
3
Odonata QO 1 3
Telephlebiidae (Unident.) QO219999
1
Plecoptera QP 89 10
Eustheniidae (Unident.) QP019999
2
Gripopterygidae (Unident.) QP039999
87
Trichoptera QT 33 8
Hydrobiosidae (Unident.) QT019999
5
Glossosomatidae (Unident.) QT029999
1
Hydroptilidae (Unident.) QT039999
4
Tasimiidae (Unident.) QT139999
1
Conoesucidae (Unident.) QT159999
4
Helicopsychidae (Unident.) QT179999
16
Leptoceridae (Unident.) QT259999
2
ORDER
SIGNALT 4.7
Weighted SIGNALT 5.3
Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Turbellaria (Unident.) IF999999
1
Gastropoda KG 40 1
Hydrobiidae (Unident.) KG029999
29
Ancylidae (Unident.) KG069999
7
Planorbidae (Unident.) KG079999
4
Oligochaeta LO 2 2
Oligochaeta (Unident.) LO999999
2
Acarina MM 51 6
Mites (Unident.) MM999999
51
Mites (Unident.)
Mites (Unident.)
Amphipoda OP 144 3
Paracalliopidae (Unident.) OP049999
144
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Coleoptera QC 10 5
Elmidae Adults QC34999A
6
Elmidae Adults
Elmidae Larvae QC34999L
2
Elmidae Larvae
Psephenidae (Unident.) QC379999
2
Psephenidae (Unident.)
Psephenidae (Unident.)
Diptera QD 109 3
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
78
Simuliidae (Unident.)
Stratiomyidae (Unident.) QD249999
1
Diamesinae (Unident.) QDAB9999
1
Tanypodinae (Unident.) QDAE9999
1
Orthocladiinae (Unident.) QDAF9999
18
Chironominae (Unident.) QDAJ9999
3
Chironomidae (Unident.)(Larva) QDAZ9999
1
Ephemeroptera QE 36 9
Baetidae (Unident.) QE029999
18
Leptophlebiidae (Unident.) QE069999
4
Caenidae (Unident.) QE089999
14
Hemiptera QH 7 2
Veliidae (Unident.) QH569999
1
Corixidae (Unident.) QH659999
6
Odonata QO 1 3
Telephlebiidae (Unident.) QO219999
1
Plecoptera QP 9 10
Eustheniidae (Unident.) QP019999
1
Gripopterygidae (Unident.) QP039999
8
Trichoptera QT 199 8
Hydrobiosidae (Unident.) QT019999
4
Glossosomatidae (Unident.) QT029999
1
Hydroptilidae (Unident.) QT039999
1
Hydropsychidae (Unident.) QT069999
28
Tasimiidae (Unident.) QT139999
4
Conoesucidae (Unident.) QT159999
1
Leptoceridae (Unident.) QT259999
160
ORDER
SIGNALT 4.5
Weighted SIGNALT 5.0
Taxa Abundance SIGNALT Grade
Turbellaria IF 1 2
Turbellaria (Unident.) IF999999
1
Gastropoda KG 20 1
Hydrobiidae (Unident.) KG029999
15
Planorbidae (Unident.) KG079999
5
Oligochaeta LO 15 2
Oligochaeta (Unident.) LO999999
15
Acarina MM 15 6
Mites (Unident.) MM999999
15
Mites (Unident.)
Mites (Unident.)
Amphipoda OP 60 3
Paracalliopidae (Unident.) OP049999
60
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Paracalliopidae (Unident.)
Coleoptera QC 4 5
Dytiscidae Adults QC09999A
1
Scirtidae (Unident.) QC209999
1
Scirtidae (Unident.)
Elmidae Adults QC34999A
2
Elmidae Adults
Diptera QD 150 3
Tipulidae (Unident.) QD019999
3
Ceratopogonidae (Unident.) QD099999
6
Ceratopogonidae (Unident.)
Ceratopogonidae (Unident.)
Simuliidae (Unident.) QD109999
25
Simuliidae (Unident.)
Diamesinae (Unident.) QDAB9999
7
Podonominae (Unident.) QDAD9999
7
Tanypodinae (Unident.) QDAE9999
28
Orthocladiinae (Unident.) QDAF9999
56
Chironominae (Unident.) QDAJ9999
13
Chironomidae (Unident.)(Larva) QDAZ9999
5
Ephemeroptera QE 83 9
Baetidae (Unident.) QE029999
15
Oniscigastridae (Unident.) QE039999
17
Leptophlebiidae (Unident.) QE069999
43
Caenidae (Unident.) QE089999
8
Hemiptera QH 17 2
Corixidae (Unident.) QH659999
17
Plecoptera QP 58 10
Eustheniidae (Unident.) QP019999
4
Gripopterygidae (Unident.) QP039999
54
Trichoptera QT 113 8
Hydrobiosidae (Unident.) QT019999
16
Glossosomatidae (Unident.) QT029999
2
Hydroptilidae (Unident.) QT039999
13
Hydropsychidae (Unident.) QT069999
8
Ecnomidae (Unident.) QT089999
3
Tasimiidae (Unident.) QT139999
1
Conoesucidae (Unident.) QT159999
17
Atriplectididae (Unident.) QT239999
1
Leptoceridae (Unident.) QT259999
50
Unknown QT999998
2
ORDER
SIGNALT 4.6
Weighted SIGNALT 5.0