Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Information on the time and depth of exposure of cylinders at the sites in the Polish EEZ
| Sampling site | Depth (meters) | Date of deployment | Date of collection | Duration of exposure (days) |
|---|---|---|---|---|
| 28 | 15 | 5 June 2012 | 24 October 2012 | 141 |
| 66 | 65 | 24 July 2012 | 19 December 2012 | 149 |
| 75 | 60 | 24 July 2012 | 19 December 2012 | 149 |
| 90 | 55 | 26 July 2012 | 16 January 2013 | 175 |
| 91 | 45 | 13 June 2012 | 19 January 2013 | 190 |
Taxonomic composition of investigated communities at sites TBD and S28 (L-T – long-term community, S-T – short-term community)
| Site | ||||
|---|---|---|---|---|
| Taxa | ||||
| TBD(L-T) | TBD (S-T) | S28 (S-T) | ||
| Porifera | Halichondria panicea (Pallas,1766) | + | - | - |
| Hydrozoa | Cordylophora caspia (Pallas, 1771) | - | + | + |
| Gonothyraea loveni (Allmn, 1859) | + | - | - | |
| Scyphozoa | Aurelia aurita (polipes) (Linnaeus, 1758) | + | - | - |
| Turbellaria | n.i. | + | - | - |
| Polychaeta | Hediste diversicolor (Müller, 1776) | + | + | - |
| Fabricia stellaris (Müller, 1774) | + | - | - | |
| Oligochaeta | n.i. | + | + | - |
| Crustacea | Amphibalanus improvisus (Darwin, 1854) | + | + | + |
| Heterotanais oerstedii (Krøyer, 1842) | + | + | - | |
| Cyathura carinata (Krøyer, 1847) | - | + | - | |
| Idotea chelipes (Pallas, 1766) | - | + | - | |
| Jaera spp. | - | + | - | |
| Apocorophium lacustre (Vanhöffen, 1911) | + | - | - | |
| Leptocheirus pilosus Zaddach, 1844 | + | + | - | |
| Gammarus oceanicus Segerstråle, 1947 | - | + | - | |
| Gammarus salinus Spooner, 1947 | + | + | - | |
| Gammarus zaddachi Sexton, 1912 | - | + | - | |
| Palaemon elegans Rathke, 1837 | + | + | - | |
| Rhithropanopeus harrisii (Gould, 1841) | + | + | - | |
| Insecta | Chironomidae (larvae) | - | + | - |
| Bivalvia | Mytilus edulis Linnaeus, 1758 | + | + | + |
| Mytilopsis leucophaeata (Conrad, 1831) | + | - | - | |
| Cerastoderma glaucum (Bruguière, 1789) | + | + | + | |
| Mya arenaria Linnaeus, 1758 | + | + | + | |
| Bryozoa | Einchornia crustulenta (Pallas, 1766) | + | + | + |
| Total number of taxa: | 19 | 19 | 6 |
Taxonomic composition of the investigated communities at site TBD (L-T – long-term community, S-T – short-term community) compared to some of the references (Dz_ – Dziubińska (2011b) artificial bottom in the Gulf of Gdańsk 4_5 km north of site TBD; K-D – Kruk-Dowgiałło (2008) artificial bottom in the Gulf of Gdańsk; G&K – Grzelak, Kukliński (2010) natural bottom in the Gulf of Gdańsk; A – Andrulewicz (2004) natural bottom in Słupsk Bank
| Present study | References | ||||||
|---|---|---|---|---|---|---|---|
| Class | Species/taxa | ||||||
| TBD (L-T) | TBD(S-T) | Dz.2011b | K-D 2009 | G&K 2010 | A. 2004 | ||
| Porifera | Halichondria panicea (Pallas, 1766) | + | - | - | - | - | - |
| Hydrozoa | n. i. | + | + | + | + | + | + |
| Scyphozoa | Aurelia aurita (polypes) (Linnaeus, 1758) | + | - | - | - | - | - |
| Turbellaria | n. i. | + | - | + | - | + | + |
| Nematoda | n. i. | - | - | + | - | + | + |
| Polychaeta | Bylgides sarsii (Malmgren, 1866) | - | - | - | - | - | + |
| Hediste diversicolor (Müller, 1776) | + | + | + | + | + | + | |
| Fabricia stellaris (Ehrenberg, 1836) | + | - | - | + | + | + | |
| Pygospio elegans Claparède, 1863 | - | - | - | - | + | + | |
| Oligochaeta | n. i. | + | + | + | + | + | + |
| Hirunidea | Piscicola geometra (Linnaeus, 1761) | - | - | - | - | - | + |
| Arachnoidea | Hydracarina sp. | - | - | + | - | - | - |
| Lochmannella falcata (Hodge, 1863) | - | - | - | - | - | + | |
| Crustacea | Ostracoda | - | - | + | - | - | - |
| Harpacticoida | - | - | + | - | - | - | |
| Amphibalanus improvisus (Darwin, 1854) | + | + | + | + | + | + | |
| Cyathura carinata (Krøyer, 1847) | - | + | - | + | + | - | |
| Heterotanais oerstedii (Krøyer, 1842) | + | + | + | + | + | - | |
| Idotea balthica (Pallas, 1772) | - | - | - | + | - | + | |
| Idotea chelipes (Pallas, 1766) | - | + | - | - | + | - | |
| Jaera spp. | - | + | + | + | - | + | |
| Saduria entomon (Linnaeus, 1758) | - | - | - | - | - | + | |
| Calliopius laeviusculus (Krøyer, 1838) | - | - | - | - | - | + | |
| Caprella mutica Schurin, 1935 | - | - | - | - | + | - | |
| Apocorophium lacustre (Vanhöffen, 1911) | + | - | - | - | + | - | |
| Corophium multisetosum Stock, 1952 | - | - | - | - | + | - | |
| Crassicorophium crassicorne (Bruzelius, 1859) | - | - | - | + | - | - | |
| Corophium volutator (Pallas, 1766) | - | - | - | + | - | - | |
| Leptocheirus pilosus Zaddach, 1844 | + | + | - | + | + | - | |
| Gammarus spp. | + | + | + | + | + | + | |
| Gammarus locusta (Linnaeus, 1758) | - | - | - | - | + | - | |
| Gammarus oceanicus Segerstråle, 1947 | - | + | - | - | - | + | |
| Gammarus salinus Spooner, 1947 | + | + | - | - | + | + | |
| Gammarus zaddachi Sexton, 1912 | - | + | - | - | + | + | |
| Mysis mixta Lilljeborg, 1852 | - | - | - | - | - | + | |
| Praunus inermis (Rathke, 1843) | - | - | - | - | - | + | |
| Palaemon elegans Rathke, 1837 | + | + | - | - | - | - | |
| Rhithropanopeus harrisii (Gould, 1841) | + | + | + | - | - | - | |
| Insecta | Chironomidae (larvae) | - | + | + | + | - | - |
| Gastropoda | Hydrobidae | - | - | - | - | + | + |
| Theodoxus fluviatilis (Linnaeus, 1758) | - | - | + | - | - | + | |
| Tenelia adspersa (Nordmann, 1845) | - | - | + | - | - | + | |
| Bivalvia | Mytilus edulis Linnaeus, 1758 | + | + | + | + | + | + |
| Mytilopsis leucophaeata (Conrad, 1831) | + | - | + | - | - | - | |
| Cerastoderma glaucum (Bruguière, 1789) | + | + | + | + | - | - | |
| Mya arenaria Linnaeus, 1758 | + | + | + | - | - | - | |
| Macoma balthica (Linnaeus, 1758) | - | - | - | - | - | + | |
| Bryozoa | Einchornia crustulenta (Pallas, 1766) | + | + | + | + | + | + |