Arstad skole
| Species | Scientific name | 2002 | 2005 | 2022 |
|---|---|---|---|---|
| European perch | Perca fluviatilis | 1 | ||
| Downy Birch | Betula pubescens | 10 | ||
| Brasme | Abramis brama | 1 | ||
| Norway Spruce | Picea abies | 1 | ||
| Gråmeitemark | Aporrectodea caliginosa | 1 | ||
| Silver birch | Betula pendula | 2 | ||
| Mort | Rutilus rutilus | 1 | ||
| Rowan | Sorbus aucuparia | 1 | ||
| Rosameitemark | Aporrectodea rosea | 1 | ||
| Norway Maple | Acer platanoides | 7 | ||
| Bosmina sp. | 1 | |||
| Dafnier | Daphnia sp. | 1 | ||
| Meitemark | Lumbricidae indet. | 1 | ||
| Cyclopoida indet. | 1 | |||
| Midd | Acari indet. | 1 | ||
| Grønnalger | Chlorophyceae indet. | 1 | ||
| Hoppekreps | Copepoda indet. | 1 | ||
| Kiselalger | Bacillariophyceae indet. | 1 | ||
| Hjuldyr | Rotifera indet. | 1 |
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