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| Bohrmuschel f; Meerscheide n (Ensis directus, Ensis siliqua, Siliqua patula, Solen ensis, ensis ensis, Solen marginatus, Solen vagina); Scheiden-muschel n (Ensis directus, Ensis siliqua, Siliqua patula, Solen ensis, ensis ensis, Solen marginatus, Solen vagina) | |||
| knivmusling: 18 phrases in 3 subjects |
| Fish farming pisciculture | 2 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 15 |