|  replicate sample taken in the Puck Bay (fot. Marek Zajaczkowski)
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| taxon | replicate 1 | replicate 2 | replicate 3 | replicate 4 | replicate 5 |   | Pomatochistus minutus | 0 | 1 | 0 | 0 | 0 |   | Hydrobia sp. | 14 | 181 | 34 | 81 | 31 |   | Macoma balthica | 1 | 0 | 0 | 0 | 0 |   | Mya arenaria | 4 | 109 | 47 | 49 | 81 |   | Cardium glaucum | 0 | 7 | 0 | 5 | 4 |   | Mytilus trossulus | 10 | 133 | 43 | 37 | 104 |   | Nereis diversicolor | 18 | 22 | 23 | 12 | 11 |   | Pygospio elegans | 8 | 8 | 3 | 9 | 10 |   | Oligochaeta nd | 63 | 492 | 53 | 247 | 45 |   | Gammarus sp. juv. | 0 | 0 | 0 | 0 | 2 |   | Gammarus zaddachi | 0 | 0 | 1 | 0 | 1 |   | Gammarus salinus | 0 | 0 | 0 | 0 | 1 |   | Calliopius laeviusculus | 0 | 0 | 1 | 0 | 0 |   | Idothea chelipes | 14 | 5 | 7 | 10 | 1 |   | Idothea balthica | 1 | 0 | 0 | 2 | 10 |   | Idothea sp. juv. | 0 | 0 | 2 | 4 | 0 |   | Electra crustulenta | 0 | 1 | 0 | 0 | 1 |   | Balanus improvisus | 0 | 1 | 0 | 0 | 0 |  |