| Country | Sweden | Ecosystem | Baltic Sea |
| Locality | Site D, Forsmark Nuclear Power Plant, Bothnian Sea | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | not specified | unsexed | |
| Quantitative | 30 | Unit | numbers/m^2 |
| Semi Quantitative | <100 | Unit | numbers/m^2 |
| Qualitative | common | ||
| Year | 1984 - 1984 | Period | 1975-2000 |
| Date | 1984-07-24 00:00:00 - 1984-07-24 00:00:00 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | not specified | Method | random sampling |
| Remarks | |||