Bilag 2. Dansk indmelding til EU-interkalibrering
| Tabel | |||||||
| Recommendations of Denmark for ecological status classification | |||||||
| Biological quality element |
Monitoring system or method |
Inter-calibration sites | Reference conditions | High/good boundary |
Good/ moderate boundary |
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| Rivers | |||||||
| Benthic Macro-invertebrates, composition and abundance |
Danish Stream Fauna Index |
All river water bodies | Boundary between class 4 and 5 |
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| Lakes | |||||||
| Phytoplankton, biomass |
Chlorophyll a concentration (growth season) |
Deep lakes, LCE-1 Shallow lakes, LCE-2 |
12 - 15 µg/l 22 - 28 µg/l |
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| Coastal waters | |||||||
| Angiosperms, abundance |
Depth limit of Zostera marina | Northern Sound Northern Kattegat Outside Aarhus Bay North of Funen Faxe Bay Hjelm Bay |
7.7 m 9.5 m 8.6 m 9.4 m 6.7 m 9.4 m |
To be decided by September 2006 | 25-30 % deviation from reference value (5.8 - 5.4 m) (7.1 - 6.7 m) (6.5 - 6.0 m) (7.1 - 6.6 m) (5 - 4.7 m) (7.1 - 6.6 m) |
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| Macroalgae, abundance |
Coverage | All coastal water bodies | To be decided by September 2006 |
To be decided by September 2006 |
To be decided by September 2006 |
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| Phytoplankton, biomass |
CNE GIG: Chlorophyll a summer mean concentration, (March - September), 90 percentile CBA GIG: Chlorophyll a summer mean concentration (May - September), arithmetic |
The Wadden Sea Outside the Wadden Sea (German Bight) Skagerrak – Hirtshals Northern Kattegat Outside Aarhus Bay North of Funen Northern Sound Faxe Bay Hjelm Bay Bornholm west Dybsø Fjord |
4 µg/l 2 µg/l 1.5 µg/l 1.4 µg/l 1.2 µg/l 0.9 µg/l |
5 µg/l 3 µg/l 1.7 µg/l 1.5 µg/l 1.3 µg/l 1.1 µg/l |
7.3 - 8.8 µg/l 3.4 - 4.0 µg/l 1.7 - 4.0 µg/l 1.7 - 2.6 µg/l 1.5 - 1.9 µg/l 1.6 - 3.1 µg/l |
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| Benthic Macro-invertebrates, composition and abundance |
DKI index values |
CNE GIG: Type 8 water bodies CBA GIG: Type B12 water bodies |
0.80 0.69 |
0.63 0.37 |
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