(1) Port of Gdynia |
July 2014 (first record) |
3530 ind. m−2 |
22.0 |
6.9 |
1–3 |
Horizontal artificial hard bottom (settlement plates) |
Amphibalanus improvisus Gonothyraea loveni Cordylophora caspia |
Sept. 2014 |
47 400 ind. m−2 |
19.0 |
7.0 |
1–7 |
Horizontal artificial hard bottom (settlement plates) |
Amphibalanus improvisus Gonothyraea loveni Einhornia crustulenta |
Oct. 2014 |
37 000 ind. m−2 |
16.3 |
7.1 |
1–7 |
Horizontal artificial hard bottom (settlement plates) |
Amphibalanus improvisus Gonothyraea loveni Einhornia crustulenta |
Oct. 2014 |
100 per trap |
16.1 |
7.1 |
9 |
Artificial habitat collector |
Leptocheirus pilosus Melita nitida Apocorophium lacustre |
July 2015 |
500 per trap |
No data |
6.9 |
9 |
Artificial habitat collector |
Mytilus trossulus Leptocheirus pilosus Melita nitida |
Jan. 2016 |
100 ind. m−2 |
1.7 |
7.3 |
14 |
(Soft sediment Van Veen grab) |
Oligochaeta Polychaeta Limecola balthica Cerastoderma glaucum |
June 2016 |
1 per trap |
19.2 |
6.9 |
9 |
Artificial habitat collector |
Oligochaeta Polychaeta Amphipoda Jaera spp. |
Aug. 2016 |
10 ind. m−2 |
21.1 |
7.1 |
14 |
Soft sediment (Van Veen grab) |
Oligochaeta Polychaeta Amphibalanus improvisus Limecola balthica Mytilus trossulus |
(2) Gdynia Babie Doły |
July 2015 |
3825 ind. m−2 |
18.6 |
6.4 |
2–8 |
Vertical concrete walls of a man-made offshore structure (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Amphipoda |
July 2015 |
358 ind. m−2 |
18.6 |
6.4 |
8 |
Natural boulders up to 1 m diameter (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Leptocheirus pilosus |
(3) Jastarnia |
March 2016 |
1133 ind. m−2 |
4.0 |
6.7 |
2–4 |
Vertical concrete walls of a man-made offshore structure (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Amphipoda |
(4) Naval Base in Hel |
April 2016 |
No data |
4.2 |
6.5 |
2–5 |
Vertical concrete walls of a breakwater (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Gammarus spp. |
(5) Gdańsk National Sailing Centre |
May 2016 |
No data |
19 |
4.9 |
2–4 |
Verfical man-made concrete piles(Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus |
(6) Gdynia Orłowo |
June 2016 |
1791 ind. m−2 |
6.1 |
6.5 |
5 |
Natural boulders up to 1 m diameter (Kautsky sampler) |
Mytitrossulus Amphibalanus improvisus Heterotanais oerstedii |
(7) Port of Hel |
Sept. 2017 |
60 per trap |
18.1 |
7.2 |
2 |
Artificial habitat collectors |
Hydrobiidae Jaera spp. Mytilus trossulus Heterotanais oerstedii |
(8) ORP “Bryza” Shipwreck |
Jan. 2016 |
Not present |
4.0 |
7.2 |
12 |
Steel plating of a shipwreck (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Amphipoda Jaera spp. |
April 2018 |
Not present |
3.9 |
7.2 |
12–16 |
Steel plating of a shipwreck (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Amphipoda Jaera spp. |
(9) Słupsk Bank |
Jan. 2018 |
Not present |
3.6 |
7.3 |
14 |
Natural boulders up to 2 m diameter (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Amphipoda Jaera spp. |
March 2018 |
Not present |
4.0 |
7.3 |
14 |
|
Natural boulders up to 2 m diameter (Kautsky sampler) |
Mytilus trossulus Amphibalanus improvisus Amphipoda |